{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50423", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:53:07.004Z", "datePublished": "2025-10-01T11:41:56.083Z", "dateUpdated": "2026-01-14T17:42:46.653Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-01T11:41:56.083Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()\n\nThere is an use-after-free reported by KASAN:\n\n BUG: KASAN: use-after-free in acpi_ut_remove_reference+0x3b/0x82\n Read of size 1 at addr ffff888112afc460 by task modprobe/2111\n CPU: 0 PID: 2111 Comm: modprobe Not tainted 6.1.0-rc7-dirty\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),\n Call Trace:\n <TASK>\n kasan_report+0xae/0xe0\n acpi_ut_remove_reference+0x3b/0x82\n acpi_ut_copy_iobject_to_iobject+0x3be/0x3d5\n acpi_ds_store_object_to_local+0x15d/0x3a0\n acpi_ex_store+0x78d/0x7fd\n acpi_ex_opcode_1A_1T_1R+0xbe4/0xf9b\n acpi_ps_parse_aml+0x217/0x8d5\n ...\n </TASK>\n\nThe root cause of the problem is that the acpi_operand_object\nis freed when acpi_ut_walk_package_tree() fails in\nacpi_ut_copy_ipackage_to_ipackage(), lead to repeated release in\nacpi_ut_copy_iobject_to_iobject(). The problem was introduced\nby \"8aa5e56eeb61\" commit, this commit is to fix memory leak in\nacpi_ut_copy_iobject_to_iobject(), repeatedly adding remove\noperation, lead to \"acpi_operand_object\" used after free.\n\nFix it by removing acpi_ut_remove_reference() in\nacpi_ut_copy_ipackage_to_ipackage(). acpi_ut_copy_ipackage_to_ipackage()\nis called to copy an internal package object into another internal\npackage object, when it fails, the memory of acpi_operand_object\nshould be freed by the caller."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/acpi/acpica/utcopy.c"], "versions": [{"version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "133462d35dae95edb944af86b986d4c9dec59bd1", "status": "affected", "versionType": "git"}, {"version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "02f237423c9c6a18e062de2d474f85d5659e4eb9", "status": "affected", "versionType": "git"}, {"version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "c9125b643fc51b8e662f2f614096ceb45a0adbc3", "status": "affected", "versionType": "git"}, {"version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "dfdde4d5138bc023897033a5ac653a84e94805be", "status": "affected", "versionType": "git"}, {"version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "02617006b5a46f2ea55ac61f5693c7afd7bf9276", "status": "affected", "versionType": "git"}, {"version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "6fde666278f91b85d71545a0ebbf41d8d7af8074", "status": "affected", "versionType": "git"}, {"version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "f51b2235e4f320edc839c3e5cb0d1f8a6e8657c6", "status": "affected", "versionType": "git"}, {"version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "01f2c2052ea50fb9a8ce12e4e83aed0267934ef0", "status": "affected", "versionType": "git"}, {"version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "470188b09e92d83c5a997f25f0e8fb8cd2bc3469", "status": "affected", "versionType": "git"}, {"version": "b3e98f0c4f996cd53b80bad71f0d7e4a2cf3a4e8", "status": "affected", "versionType": "git"}, {"version": "7af5504c102a378376101dbd160246b10a814dd0", "status": "affected", "versionType": "git"}, {"version": "e29a15484d7ea949e49ae7fb7e576a575da824a6", "status": "affected", "versionType": "git"}, {"version": "e2ab6731a36966d042a2d4dabd980496cd680f75", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/acpi/acpica/utcopy.c"], "versions": [{"version": "3.17", "status": "affected"}, {"version": "0", "lessThan": "3.17", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.337", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.303", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.270", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.229", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.163", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.86", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.16", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.2", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "4.9.337"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "4.14.303"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "4.19.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "5.4.229"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "5.10.163"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "5.15.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.0.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.1.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10.55"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12.29"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.14.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/133462d35dae95edb944af86b986d4c9dec59bd1"}, {"url": "https://git.kernel.org/stable/c/02f237423c9c6a18e062de2d474f85d5659e4eb9"}, {"url": "https://git.kernel.org/stable/c/c9125b643fc51b8e662f2f614096ceb45a0adbc3"}, {"url": "https://git.kernel.org/stable/c/dfdde4d5138bc023897033a5ac653a84e94805be"}, {"url": "https://git.kernel.org/stable/c/02617006b5a46f2ea55ac61f5693c7afd7bf9276"}, {"url": "https://git.kernel.org/stable/c/6fde666278f91b85d71545a0ebbf41d8d7af8074"}, {"url": "https://git.kernel.org/stable/c/f51b2235e4f320edc839c3e5cb0d1f8a6e8657c6"}, {"url": "https://git.kernel.org/stable/c/01f2c2052ea50fb9a8ce12e4e83aed0267934ef0"}, {"url": "https://git.kernel.org/stable/c/470188b09e92d83c5a997f25f0e8fb8cd2bc3469"}], "title": "ACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-50423", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-01-14T17:39:57.539191Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T17:42:46.653Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-50423", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-01-14T17:39:57.539191Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T17:39:53.133Z"}}], "cna": {"title": "ACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "133462d35dae95edb944af86b986d4c9dec59bd1", "versionType": "git"}, {"status": "affected", "version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "02f237423c9c6a18e062de2d474f85d5659e4eb9", "versionType": "git"}, {"status": "affected", "version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "c9125b643fc51b8e662f2f614096ceb45a0adbc3", "versionType": "git"}, {"status": "affected", "version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "dfdde4d5138bc023897033a5ac653a84e94805be", "versionType": "git"}, {"status": "affected", "version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "02617006b5a46f2ea55ac61f5693c7afd7bf9276", "versionType": "git"}, {"status": "affected", "version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "6fde666278f91b85d71545a0ebbf41d8d7af8074", "versionType": "git"}, {"status": "affected", "version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "f51b2235e4f320edc839c3e5cb0d1f8a6e8657c6", "versionType": "git"}, {"status": "affected", "version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "01f2c2052ea50fb9a8ce12e4e83aed0267934ef0", "versionType": "git"}, {"status": "affected", "version": "8aa5e56eeb61a099ea6519eb30ee399e1bc043ce", "lessThan": "470188b09e92d83c5a997f25f0e8fb8cd2bc3469", "versionType": "git"}, {"status": "affected", "version": "b3e98f0c4f996cd53b80bad71f0d7e4a2cf3a4e8", "versionType": "git"}, {"status": "affected", "version": "7af5504c102a378376101dbd160246b10a814dd0", "versionType": "git"}, {"status": "affected", "version": "e29a15484d7ea949e49ae7fb7e576a575da824a6", "versionType": "git"}, {"status": "affected", "version": "e2ab6731a36966d042a2d4dabd980496cd680f75", "versionType": "git"}], "programFiles": ["drivers/acpi/acpica/utcopy.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.17"}, {"status": "unaffected", "version": "0", "lessThan": "3.17", "versionType": "semver"}, {"status": "unaffected", "version": "4.9.337", "versionType": "semver", "lessThanOrEqual": "4.9.*"}, {"status": "unaffected", "version": "4.14.303", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.270", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.229", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.163", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.86", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.0.16", "versionType": "semver", "lessThanOrEqual": "6.0.*"}, {"status": "unaffected", "version": "6.1.2", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/acpi/acpica/utcopy.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/133462d35dae95edb944af86b986d4c9dec59bd1"}, {"url": "https://git.kernel.org/stable/c/02f237423c9c6a18e062de2d474f85d5659e4eb9"}, {"url": "https://git.kernel.org/stable/c/c9125b643fc51b8e662f2f614096ceb45a0adbc3"}, {"url": "https://git.kernel.org/stable/c/dfdde4d5138bc023897033a5ac653a84e94805be"}, {"url": "https://git.kernel.org/stable/c/02617006b5a46f2ea55ac61f5693c7afd7bf9276"}, {"url": "https://git.kernel.org/stable/c/6fde666278f91b85d71545a0ebbf41d8d7af8074"}, {"url": "https://git.kernel.org/stable/c/f51b2235e4f320edc839c3e5cb0d1f8a6e8657c6"}, {"url": "https://git.kernel.org/stable/c/01f2c2052ea50fb9a8ce12e4e83aed0267934ef0"}, {"url": "https://git.kernel.org/stable/c/470188b09e92d83c5a997f25f0e8fb8cd2bc3469"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()\n\nThere is an use-after-free reported by KASAN:\n\n BUG: KASAN: use-after-free in acpi_ut_remove_reference+0x3b/0x82\n Read of size 1 at addr ffff888112afc460 by task modprobe/2111\n CPU: 0 PID: 2111 Comm: modprobe Not tainted 6.1.0-rc7-dirty\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),\n Call Trace:\n <TASK>\n kasan_report+0xae/0xe0\n acpi_ut_remove_reference+0x3b/0x82\n acpi_ut_copy_iobject_to_iobject+0x3be/0x3d5\n acpi_ds_store_object_to_local+0x15d/0x3a0\n acpi_ex_store+0x78d/0x7fd\n acpi_ex_opcode_1A_1T_1R+0xbe4/0xf9b\n acpi_ps_parse_aml+0x217/0x8d5\n ...\n </TASK>\n\nThe root cause of the problem is that the acpi_operand_object\nis freed when acpi_ut_walk_package_tree() fails in\nacpi_ut_copy_ipackage_to_ipackage(), lead to repeated release in\nacpi_ut_copy_iobject_to_iobject(). The problem was introduced\nby \"8aa5e56eeb61\" commit, this commit is to fix memory leak in\nacpi_ut_copy_iobject_to_iobject(), repeatedly adding remove\noperation, lead to \"acpi_operand_object\" used after free.\n\nFix it by removing acpi_ut_remove_reference() in\nacpi_ut_copy_ipackage_to_ipackage(). acpi_ut_copy_ipackage_to_ipackage()\nis called to copy an internal package object into another internal\npackage object, when it fails, the memory of acpi_operand_object\nshould be freed by the caller."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.9.337", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.303", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.270", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.229", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.163", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.86", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.0.16", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.2", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.2", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "3.10.55"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "3.12.29"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "3.14.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "3.16.3"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-01T11:41:56.083Z"}}}, "cveMetadata": {"cveId": "CVE-2022-50423", "state": "PUBLISHED", "dateUpdated": "2026-01-14T17:42:46.653Z", "dateReserved": "2025-09-17T14:53:07.004Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-10-01T11:41:56.083Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5A516330-2A83-4603-8C0E-BBDFEECC27E9", "versionEndExcluding": "3.11", "versionStartIncluding": "3.10.55", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "25875AFE-CAEF-4D99-9B64-23F2B24C08D0", "versionEndExcluding": "3.13", "versionStartIncluding": "3.12.29", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5D53296D-7B6A-4B74-A72C-45082E6C8531", "versionEndExcluding": "3.15", "versionStartIncluding": "3.14.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D40F5AA2-90E2-40CE-A033-F1CB0E73BF7C", "versionEndExcluding": "4.9.337", "versionStartIncluding": "3.16.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1E7450AD-4739-46F0-B81B-C02E7B35A97B", "versionEndExcluding": "4.14.303", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AE8904A3-99BE-4E49-9682-1F90A6373F4F", "versionEndExcluding": "4.19.270", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A0C0D95E-414A-445E-941B-3EF6A4D3A093", "versionEndExcluding": "5.4.229", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D05D31FC-BD74-4F9E-B1D8-9CED62BE6F65", "versionEndExcluding": "5.10.163", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "47237296-55D1-4ED4-8075-D00FC85A61EE", "versionEndExcluding": "5.15.86", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C720A569-3D93-4D77-95F6-E2B3A3267D9F", "versionEndExcluding": "6.0.16", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "77239F4B-6BB2-4B9E-A654-36A52396116C", "versionEndExcluding": "6.1.2", "versionStartIncluding": "6.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()\n\nThere is an use-after-free reported by KASAN:\n\n BUG: KASAN: use-after-free in acpi_ut_remove_reference+0x3b/0x82\n Read of size 1 at addr ffff888112afc460 by task modprobe/2111\n CPU: 0 PID: 2111 Comm: modprobe Not tainted 6.1.0-rc7-dirty\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),\n Call Trace:\n <TASK>\n kasan_report+0xae/0xe0\n acpi_ut_remove_reference+0x3b/0x82\n acpi_ut_copy_iobject_to_iobject+0x3be/0x3d5\n acpi_ds_store_object_to_local+0x15d/0x3a0\n acpi_ex_store+0x78d/0x7fd\n acpi_ex_opcode_1A_1T_1R+0xbe4/0xf9b\n acpi_ps_parse_aml+0x217/0x8d5\n ...\n </TASK>\n\nThe root cause of the problem is that the acpi_operand_object\nis freed when acpi_ut_walk_package_tree() fails in\nacpi_ut_copy_ipackage_to_ipackage(), lead to repeated release in\nacpi_ut_copy_iobject_to_iobject(). The problem was introduced\nby \"8aa5e56eeb61\" commit, this commit is to fix memory leak in\nacpi_ut_copy_iobject_to_iobject(), repeatedly adding remove\noperation, lead to \"acpi_operand_object\" used after free.\n\nFix it by removing acpi_ut_remove_reference() in\nacpi_ut_copy_ipackage_to_ipackage(). acpi_ut_copy_ipackage_to_ipackage()\nis called to copy an internal package object into another internal\npackage object, when it fails, the memory of acpi_operand_object\nshould be freed by the caller."}], "id": "CVE-2022-50423", "lastModified": "2026-01-14T18:16:27.960", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-10-01T12:15:33.683", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/01f2c2052ea50fb9a8ce12e4e83aed0267934ef0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/02617006b5a46f2ea55ac61f5693c7afd7bf9276"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/02f237423c9c6a18e062de2d474f85d5659e4eb9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/133462d35dae95edb944af86b986d4c9dec59bd1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/470188b09e92d83c5a997f25f0e8fb8cd2bc3469"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6fde666278f91b85d71545a0ebbf41d8d7af8074"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c9125b643fc51b8e662f2f614096ceb45a0adbc3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dfdde4d5138bc023897033a5ac653a84e94805be"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f51b2235e4f320edc839c3e5cb0d1f8a6e8657c6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: ACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()", "id": "2400780", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2400780"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50423", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50423\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50423\nhttps://lore.kernel.org/linux-cve-announce/2025100155-CVE-2022-50423-5a66@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-10-02T08:39:44.212349+00:00", "updated": "2025-10-02T08:39:44.212422+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}