{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-26902", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.187Z", "datePublished": "2024-04-17T10:27:51.042Z", "dateUpdated": "2025-05-04T08:59:16.887Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:59:16.887Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf: RISCV: Fix panic on pmu overflow handler\n\n(1 << idx) of int is not desired when setting bits in unsigned long\noverflowed_ctrs, use BIT() instead. This panic happens when running\n'perf record -e branches' on sophgo sg2042.\n\n[ 273.311852] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098\n[ 273.320851] Oops [#1]\n[ 273.323179] Modules linked in:\n[ 273.326303] CPU: 0 PID: 1475 Comm: perf Not tainted 6.6.0-rc3+ #9\n[ 273.332521] Hardware name: Sophgo Mango (DT)\n[ 273.336878] epc : riscv_pmu_ctr_get_width_mask+0x8/0x62\n[ 273.342291] ra : pmu_sbi_ovf_handler+0x2e0/0x34e\n[ 273.347091] epc : ffffffff80aecd98 ra : ffffffff80aee056 sp : fffffff6e36928b0\n[ 273.354454] gp : ffffffff821f82d0 tp : ffffffd90c353200 t0 : 0000002ade4f9978\n[ 273.361815] t1 : 0000000000504d55 t2 : ffffffff8016cd8c s0 : fffffff6e3692a70\n[ 273.369180] s1 : 0000000000000020 a0 : 0000000000000000 a1 : 00001a8e81800000\n[ 273.376540] a2 : 0000003c00070198 a3 : 0000003c00db75a4 a4 : 0000000000000015\n[ 273.383901] a5 : ffffffd7ff8804b0 a6 : 0000000000000015 a7 : 000000000000002a\n[ 273.391327] s2 : 000000000000ffff s3 : 0000000000000000 s4 : ffffffd7ff8803b0\n[ 273.398773] s5 : 0000000000504d55 s6 : ffffffd905069800 s7 : ffffffff821fe210\n[ 273.406139] s8 : 000000007fffffff s9 : ffffffd7ff8803b0 s10: ffffffd903f29098\n[ 273.413660] s11: 0000000080000000 t3 : 0000000000000003 t4 : ffffffff8017a0ca\n[ 273.421022] t5 : ffffffff8023cfc2 t6 : ffffffd9040780e8\n[ 273.426437] status: 0000000200000100 badaddr: 0000000000000098 cause: 000000000000000d\n[ 273.434512] [<ffffffff80aecd98>] riscv_pmu_ctr_get_width_mask+0x8/0x62\n[ 273.441169] [<ffffffff80076bd8>] handle_percpu_devid_irq+0x98/0x1ee\n[ 273.447562] [<ffffffff80071158>] generic_handle_domain_irq+0x28/0x36\n[ 273.454151] [<ffffffff8047a99a>] riscv_intc_irq+0x36/0x4e\n[ 273.459659] [<ffffffff80c944de>] handle_riscv_irq+0x4a/0x74\n[ 273.465442] [<ffffffff80c94c48>] do_irq+0x62/0x92\n[ 273.470360] Code: 0420 60a2 6402 5529 0141 8082 0013 0000 0013 0000 (6d5c) b783\n[ 273.477921] ---[ end trace 0000000000000000 ]---\n[ 273.482630] Kernel panic - not syncing: Fatal exception in interrupt"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/perf/riscv_pmu_sbi.c"], "versions": [{"version": "4905ec2fb7e6421c14c9fb7276f5aa92f60f2b98", "lessThan": "3ede8e94de6b834b48b0643385e66363e7a04be9", "status": "affected", "versionType": "git"}, {"version": "4905ec2fb7e6421c14c9fb7276f5aa92f60f2b98", "lessThan": "9f599ba3b9cc4bdb8ec1e3f0feddd41bf9d296d6", "status": "affected", "versionType": "git"}, {"version": "4905ec2fb7e6421c14c9fb7276f5aa92f60f2b98", "lessThan": "34b567868777e9fd39ec5333969728a7f0cf179c", "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/perf/riscv_pmu_sbi.c"], "versions": [{"version": "5.18", "status": "affected"}, {"version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.23", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.11", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8", "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": "5.18", "versionEndExcluding": "6.6.23"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.7.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3ede8e94de6b834b48b0643385e66363e7a04be9"}, {"url": "https://git.kernel.org/stable/c/9f599ba3b9cc4bdb8ec1e3f0feddd41bf9d296d6"}, {"url": "https://git.kernel.org/stable/c/34b567868777e9fd39ec5333969728a7f0cf179c"}], "title": "perf: RISCV: Fix panic on pmu overflow handler", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:21:05.483Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/3ede8e94de6b834b48b0643385e66363e7a04be9", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9f599ba3b9cc4bdb8ec1e3f0feddd41bf9d296d6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/34b567868777e9fd39ec5333969728a7f0cf179c", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26902", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:48:03.217895Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:22.798Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/3ede8e94de6b834b48b0643385e66363e7a04be9", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9f599ba3b9cc4bdb8ec1e3f0feddd41bf9d296d6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/34b567868777e9fd39ec5333969728a7f0cf179c", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:21:05.483Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26902", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:48:03.217895Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:16.408Z"}}], "cna": {"title": "perf: RISCV: Fix panic on pmu overflow handler", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4905ec2fb7e6421c14c9fb7276f5aa92f60f2b98", "lessThan": "3ede8e94de6b834b48b0643385e66363e7a04be9", "versionType": "git"}, {"status": "affected", "version": "4905ec2fb7e6421c14c9fb7276f5aa92f60f2b98", "lessThan": "9f599ba3b9cc4bdb8ec1e3f0feddd41bf9d296d6", "versionType": "git"}, {"status": "affected", "version": "4905ec2fb7e6421c14c9fb7276f5aa92f60f2b98", "lessThan": "34b567868777e9fd39ec5333969728a7f0cf179c", "versionType": "git"}], "programFiles": ["drivers/perf/riscv_pmu_sbi.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.18"}, {"status": "unaffected", "version": "0", "lessThan": "5.18", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.23", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.7.11", "versionType": "semver", "lessThanOrEqual": "6.7.*"}, {"status": "unaffected", "version": "6.8", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/perf/riscv_pmu_sbi.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/3ede8e94de6b834b48b0643385e66363e7a04be9"}, {"url": "https://git.kernel.org/stable/c/9f599ba3b9cc4bdb8ec1e3f0feddd41bf9d296d6"}, {"url": "https://git.kernel.org/stable/c/34b567868777e9fd39ec5333969728a7f0cf179c"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf: RISCV: Fix panic on pmu overflow handler\n\n(1 << idx) of int is not desired when setting bits in unsigned long\noverflowed_ctrs, use BIT() instead. This panic happens when running\n'perf record -e branches' on sophgo sg2042.\n\n[ 273.311852] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098\n[ 273.320851] Oops [#1]\n[ 273.323179] Modules linked in:\n[ 273.326303] CPU: 0 PID: 1475 Comm: perf Not tainted 6.6.0-rc3+ #9\n[ 273.332521] Hardware name: Sophgo Mango (DT)\n[ 273.336878] epc : riscv_pmu_ctr_get_width_mask+0x8/0x62\n[ 273.342291] ra : pmu_sbi_ovf_handler+0x2e0/0x34e\n[ 273.347091] epc : ffffffff80aecd98 ra : ffffffff80aee056 sp : fffffff6e36928b0\n[ 273.354454] gp : ffffffff821f82d0 tp : ffffffd90c353200 t0 : 0000002ade4f9978\n[ 273.361815] t1 : 0000000000504d55 t2 : ffffffff8016cd8c s0 : fffffff6e3692a70\n[ 273.369180] s1 : 0000000000000020 a0 : 0000000000000000 a1 : 00001a8e81800000\n[ 273.376540] a2 : 0000003c00070198 a3 : 0000003c00db75a4 a4 : 0000000000000015\n[ 273.383901] a5 : ffffffd7ff8804b0 a6 : 0000000000000015 a7 : 000000000000002a\n[ 273.391327] s2 : 000000000000ffff s3 : 0000000000000000 s4 : ffffffd7ff8803b0\n[ 273.398773] s5 : 0000000000504d55 s6 : ffffffd905069800 s7 : ffffffff821fe210\n[ 273.406139] s8 : 000000007fffffff s9 : ffffffd7ff8803b0 s10: ffffffd903f29098\n[ 273.413660] s11: 0000000080000000 t3 : 0000000000000003 t4 : ffffffff8017a0ca\n[ 273.421022] t5 : ffffffff8023cfc2 t6 : ffffffd9040780e8\n[ 273.426437] status: 0000000200000100 badaddr: 0000000000000098 cause: 000000000000000d\n[ 273.434512] [<ffffffff80aecd98>] riscv_pmu_ctr_get_width_mask+0x8/0x62\n[ 273.441169] [<ffffffff80076bd8>] handle_percpu_devid_irq+0x98/0x1ee\n[ 273.447562] [<ffffffff80071158>] generic_handle_domain_irq+0x28/0x36\n[ 273.454151] [<ffffffff8047a99a>] riscv_intc_irq+0x36/0x4e\n[ 273.459659] [<ffffffff80c944de>] handle_riscv_irq+0x4a/0x74\n[ 273.465442] [<ffffffff80c94c48>] do_irq+0x62/0x92\n[ 273.470360] Code: 0420 60a2 6402 5529 0141 8082 0013 0000 0013 0000 (6d5c) b783\n[ 273.477921] ---[ end trace 0000000000000000 ]---\n[ 273.482630] Kernel panic - not syncing: Fatal exception in interrupt"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.23", "versionStartIncluding": "5.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.7.11", "versionStartIncluding": "5.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.8", "versionStartIncluding": "5.18"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:59:16.887Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26902", "state": "PUBLISHED", "dateUpdated": "2025-05-04T08:59:16.887Z", "dateReserved": "2024-02-19T14:20:24.187Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-04-17T10:27:51.042Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A48FA276-450A-4D05-B2B2-E15741A34A25", "versionEndExcluding": "6.6.23", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9B95D3A6-E162-47D5-ABFC-F3FA74FA7CFD", "versionEndExcluding": "6.7.11", "versionStartIncluding": "6.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf: RISCV: Fix panic on pmu overflow handler\n\n(1 << idx) of int is not desired when setting bits in unsigned long\noverflowed_ctrs, use BIT() instead. This panic happens when running\n'perf record -e branches' on sophgo sg2042.\n\n[ 273.311852] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098\n[ 273.320851] Oops [#1]\n[ 273.323179] Modules linked in:\n[ 273.326303] CPU: 0 PID: 1475 Comm: perf Not tainted 6.6.0-rc3+ #9\n[ 273.332521] Hardware name: Sophgo Mango (DT)\n[ 273.336878] epc : riscv_pmu_ctr_get_width_mask+0x8/0x62\n[ 273.342291] ra : pmu_sbi_ovf_handler+0x2e0/0x34e\n[ 273.347091] epc : ffffffff80aecd98 ra : ffffffff80aee056 sp : fffffff6e36928b0\n[ 273.354454] gp : ffffffff821f82d0 tp : ffffffd90c353200 t0 : 0000002ade4f9978\n[ 273.361815] t1 : 0000000000504d55 t2 : ffffffff8016cd8c s0 : fffffff6e3692a70\n[ 273.369180] s1 : 0000000000000020 a0 : 0000000000000000 a1 : 00001a8e81800000\n[ 273.376540] a2 : 0000003c00070198 a3 : 0000003c00db75a4 a4 : 0000000000000015\n[ 273.383901] a5 : ffffffd7ff8804b0 a6 : 0000000000000015 a7 : 000000000000002a\n[ 273.391327] s2 : 000000000000ffff s3 : 0000000000000000 s4 : ffffffd7ff8803b0\n[ 273.398773] s5 : 0000000000504d55 s6 : ffffffd905069800 s7 : ffffffff821fe210\n[ 273.406139] s8 : 000000007fffffff s9 : ffffffd7ff8803b0 s10: ffffffd903f29098\n[ 273.413660] s11: 0000000080000000 t3 : 0000000000000003 t4 : ffffffff8017a0ca\n[ 273.421022] t5 : ffffffff8023cfc2 t6 : ffffffd9040780e8\n[ 273.426437] status: 0000000200000100 badaddr: 0000000000000098 cause: 000000000000000d\n[ 273.434512] [<ffffffff80aecd98>] riscv_pmu_ctr_get_width_mask+0x8/0x62\n[ 273.441169] [<ffffffff80076bd8>] handle_percpu_devid_irq+0x98/0x1ee\n[ 273.447562] [<ffffffff80071158>] generic_handle_domain_irq+0x28/0x36\n[ 273.454151] [<ffffffff8047a99a>] riscv_intc_irq+0x36/0x4e\n[ 273.459659] [<ffffffff80c944de>] handle_riscv_irq+0x4a/0x74\n[ 273.465442] [<ffffffff80c94c48>] do_irq+0x62/0x92\n[ 273.470360] Code: 0420 60a2 6402 5529 0141 8082 0013 0000 0013 0000 (6d5c) b783\n[ 273.477921] ---[ end trace 0000000000000000 ]---\n[ 273.482630] Kernel panic - not syncing: Fatal exception in interrupt"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: perf: RISCV: no se desea corregir el p\u00e1nico en el controlador de desbordamiento de pmu (1 &lt;&lt; idx) de int al configurar bits en overflowed_ctrs largos sin firmar; use BIT() en su lugar. Este p\u00e1nico ocurre cuando se ejecuta 'perf record -e sucursales' en sophgo sg2042. [273.311852] No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000098 [273.320851] Ups [#1] [273.323179] M\u00f3dulos vinculados en: [273.326303] CPU: 0 PID: 1475 Comm: perf No contaminado 6.6.0- rc3+#9 [ 273.332521] Nombre de hardware: Sophgo Mango (DT) [ 273.336878] epc : riscv_pmu_ctr_get_width_mask+0x8/0x62 [ 273.342291] ra : pmu_sbi_ovf_handler+0x2e0/0x34e [ 273.347091] epc : ffff80aecd98 ra: ffffffff80aee056 sp: ffffff6e36928b0 [273.354454] gp: ffffffff821f82d0 tp : ffffffd90c353200 T0: 0000002ade4f9978 [273.361815] T1: 000000000000504D55 T2: FFFFFFFF8016CD8C S0: FFFFFFF66E3692A70 [273.369180] 1A8E81800000 [273.376540] A2: 0000003C00070198 A3: 0000003C00DB75A4 A4: 000000000000000015 [273.383901] A5: FFFFFFD7FF8804B0 A6: 0000000000000015 a7: 000000000000002a [273.391327] s2: 000000000000ffff s3: 0000000000000000 s4: ffffffd7ff8803b0 [273.398773] s5: 0000000000504d55 s6: ffffffd905069800 s7: ffffffff821fe210 [273.406139] s8: 000000007ffffff s9: ffffffd7ff8803b0 s10: ffffffd903f29098 [273.413660] s11: 00080000000 t3: 0000000000000003 t4: ffffffff8017a0ca [273.421022] t5: ffffffff8023cfc2 t6: ffffffd9040780e8 [273.426437] estado: 0000000200000100 badaddr: 0000000000000098 causa: 00000d [ 273.434512] [] riscv_pmu_ctr_get_width_mask+0x8/0x62 [ 273.441169] [] handle_percpu_devid_irq+0x98/0x1ee [ 273.447562 ] [] generic_handle_domain_irq+0x28/0x36 [ 273.454151] [] riscv_intc_irq+0x36/0x4e [ 273.459659] [] 0x4a/0x74 [ 273.465442] [] do_irq+0x62/0x92 [ 273.470360] C\u00f3digo: 0420 60a2 6402 5529 0141 8082 0013 0000 0013 0000 (6d5c) b783 [ 273.477921] ---[ final de seguimiento 0000000000000000 ]--- 273.482 630] P\u00e1nico del kernel: no se sincroniza: excepci\u00f3n fatal en la interrupci\u00f3n"}], "id": "CVE-2024-26902", "lastModified": "2024-11-21T09:03:20.690", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-04-17T11:15:11.013", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/34b567868777e9fd39ec5333969728a7f0cf179c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3ede8e94de6b834b48b0643385e66363e7a04be9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9f599ba3b9cc4bdb8ec1e3f0feddd41bf9d296d6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/34b567868777e9fd39ec5333969728a7f0cf179c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3ede8e94de6b834b48b0643385e66363e7a04be9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9f599ba3b9cc4bdb8ec1e3f0feddd41bf9d296d6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: perf: RISCV: Fix panic on pmu overflow handler", "id": "2275643", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2275643"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-121", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nperf: RISCV: Fix panic on pmu overflow handler\n(1 << idx) of int is not desired when setting bits in unsigned long\noverflowed_ctrs, use BIT() instead. This panic happens when running\n'perf record -e branches' on sophgo sg2042.\n[ 273.311852] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098\n[ 273.320851] Oops [#1]\n[ 273.323179] Modules linked in:\n[ 273.326303] CPU: 0 PID: 1475 Comm: perf Not tainted 6.6.0-rc3+ #9\n[ 273.332521] Hardware name: Sophgo Mango (DT)\n[ 273.336878] epc : riscv_pmu_ctr_get_width_mask+0x8/0x62\n[ 273.342291] ra : pmu_sbi_ovf_handler+0x2e0/0x34e\n[ 273.347091] epc : ffffffff80aecd98 ra : ffffffff80aee056 sp : fffffff6e36928b0\n[ 273.354454] gp : ffffffff821f82d0 tp : ffffffd90c353200 t0 : 0000002ade4f9978\n[ 273.361815] t1 : 0000000000504d55 t2 : ffffffff8016cd8c s0 : fffffff6e3692a70\n[ 273.369180] s1 : 0000000000000020 a0 : 0000000000000000 a1 : 00001a8e81800000\n[ 273.376540] a2 : 0000003c00070198 a3 : 0000003c00db75a4 a4 : 0000000000000015\n[ 273.383901] a5 : ffffffd7ff8804b0 a6 : 0000000000000015 a7 : 000000000000002a\n[ 273.391327] s2 : 000000000000ffff s3 : 0000000000000000 s4 : ffffffd7ff8803b0\n[ 273.398773] s5 : 0000000000504d55 s6 : ffffffd905069800 s7 : ffffffff821fe210\n[ 273.406139] s8 : 000000007fffffff s9 : ffffffd7ff8803b0 s10: ffffffd903f29098\n[ 273.413660] s11: 0000000080000000 t3 : 0000000000000003 t4 : ffffffff8017a0ca\n[ 273.421022] t5 : ffffffff8023cfc2 t6 : ffffffd9040780e8\n[ 273.426437] status: 0000000200000100 badaddr: 0000000000000098 cause: 000000000000000d\n[ 273.434512] [<ffffffff80aecd98>] riscv_pmu_ctr_get_width_mask+0x8/0x62\n[ 273.441169] [<ffffffff80076bd8>] handle_percpu_devid_irq+0x98/0x1ee\n[ 273.447562] [<ffffffff80071158>] generic_handle_domain_irq+0x28/0x36\n[ 273.454151] [<ffffffff8047a99a>] riscv_intc_irq+0x36/0x4e\n[ 273.459659] [<ffffffff80c944de>] handle_riscv_irq+0x4a/0x74\n[ 273.465442] [<ffffffff80c94c48>] do_irq+0x62/0x92\n[ 273.470360] Code: 0420 60a2 6402 5529 0141 8082 0013 0000 0013 0000 (6d5c) b783\n[ 273.477921] ---[ end trace 0000000000000000 ]---\n[ 273.482630] Kernel panic - not syncing: Fatal exception in interrupt", "A flaw was found in the Linux kernel in the RISC-V architecture. The issue arises in the perf subsystem's handling of Performance Monitoring Unit (PMU) overflow interrupts. Specifically, it involves an error when setting bits in the overflowed_ctrs variable, where an incorrect shift operation using an `int` rather than an unsigned long can lead to kernel panic.\nThis vulnerability triggers a NULL pointer dereference, causing the kernel to crash when running certain perf commands, such as perf record -e branches, on systems like the Sophgo SG2042. The issue results in system instability, potentially leading to a denial-of-service (DoS) scenario. The problem has been fixed by replacing the faulty code with a more appropriate bit-setting operation using the BIT() macro."], "name": "CVE-2024-26902", "package_state": [{"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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26902\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26902\nhttps://lore.kernel.org/linux-cve-announce/2024041745-CVE-2024-26902-5f77@gregkh/T"], "threat_severity": "Moderate"}

{}