{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50870", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-30T12:06:07.136Z", "datePublished": "2025-12-30T12:15:40.718Z", "dateUpdated": "2025-12-30T12:15:40.718Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-30T12:15:40.718Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/rtas: avoid device tree lookups in rtas_os_term()\n\nrtas_os_term() is called during panic. Its behavior depends on a couple\nof conditions in the /rtas node of the device tree, the traversal of\nwhich entails locking and local IRQ state changes. If the kernel panics\nwhile devtree_lock is held, rtas_os_term() as currently written could\nhang.\n\nInstead of discovering the relevant characteristics at panic time,\ncache them in file-static variables at boot. Note the lookup for\n\"ibm,extended-os-term\" is converted to of_property_read_bool() since it\nis a boolean property, not an RTAS function token.\n\n[mpe: Incorporate suggested change from Nick]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/powerpc/kernel/rtas.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "e23822c7381c59d9e42e65771b6e17c71ed30ea7", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "06a07fbb32b3a23eec20a42b1e64474da0a3b33e", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "c2fa91abf22a705cf02f886cd99cff41f4ceda60", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "f2167f10fcca68ab9ae3f8d94d2c704c5541ac69", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "d8939315b7342860df143afe0adda6212cdd3193", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "698e682c849e356fb47a8be47ca8baa817cf31e0", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "464d10e8d797454e16a173ef1292a446b2adf21c", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "ed2213bfb192ab51f09f12e9b49b5d482c6493f3", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/powerpc/kernel/rtas.c"], "versions": [{"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": "5.15.87", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.17", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.3", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.14.303"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.19.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.4.229"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.10.163"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.15.87"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.0.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.1.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e23822c7381c59d9e42e65771b6e17c71ed30ea7"}, {"url": "https://git.kernel.org/stable/c/06a07fbb32b3a23eec20a42b1e64474da0a3b33e"}, {"url": "https://git.kernel.org/stable/c/c2fa91abf22a705cf02f886cd99cff41f4ceda60"}, {"url": "https://git.kernel.org/stable/c/f2167f10fcca68ab9ae3f8d94d2c704c5541ac69"}, {"url": "https://git.kernel.org/stable/c/d8939315b7342860df143afe0adda6212cdd3193"}, {"url": "https://git.kernel.org/stable/c/698e682c849e356fb47a8be47ca8baa817cf31e0"}, {"url": "https://git.kernel.org/stable/c/464d10e8d797454e16a173ef1292a446b2adf21c"}, {"url": "https://git.kernel.org/stable/c/ed2213bfb192ab51f09f12e9b49b5d482c6493f3"}], "title": "powerpc/rtas: avoid device tree lookups in rtas_os_term()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/rtas: avoid device tree lookups in rtas_os_term()\n\nrtas_os_term() is called during panic. Its behavior depends on a couple\nof conditions in the /rtas node of the device tree, the traversal of\nwhich entails locking and local IRQ state changes. If the kernel panics\nwhile devtree_lock is held, rtas_os_term() as currently written could\nhang.\n\nInstead of discovering the relevant characteristics at panic time,\ncache them in file-static variables at boot. Note the lookup for\n\"ibm,extended-os-term\" is converted to of_property_read_bool() since it\nis a boolean property, not an RTAS function token.\n\n[mpe: Incorporate suggested change from Nick]"}], "id": "CVE-2022-50870", "lastModified": "2025-12-30T13:16:01.887", "metrics": {}, "published": "2025-12-30T13:16:01.887", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/06a07fbb32b3a23eec20a42b1e64474da0a3b33e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/464d10e8d797454e16a173ef1292a446b2adf21c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/698e682c849e356fb47a8be47ca8baa817cf31e0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c2fa91abf22a705cf02f886cd99cff41f4ceda60"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d8939315b7342860df143afe0adda6212cdd3193"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e23822c7381c59d9e42e65771b6e17c71ed30ea7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ed2213bfb192ab51f09f12e9b49b5d482c6493f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f2167f10fcca68ab9ae3f8d94d2c704c5541ac69"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}