{"api_version":"1","generated_at":"2026-08-16T22:28:13+00:00","cve":"CVE-2026-74450","urls":{"html":"https://cve.report/CVE-2026-74450","api":"https://cve.report/api/cve/CVE-2026-74450.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74450","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74450"},"summary":{"title":"drm/amd/pm: fix pptable use-after-free","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/pm: fix pptable use-after-free\n\namdgpu_dpm_get_pp_table() returns a pointer to a driver-owned power table\nafter dropping adev->pm.mutex. The sysfs path then copies from that pointer.\nA concurrent pp_table write can replace and free the allocation during the\ncopy, causing a use-after-free.\n\nChange the DPM interface to copy into caller-provided storage while the mutex\nis held. Keep the size-only query for attribute discovery without exposing\nthe driver-owned pointer.\n\n(cherry picked from commit f6eed7acfd30099ef7baeb6ba45bb59daad80631)","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 13:17:49","updated_at":"2026-08-15 13:17:49"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/bb493058c35c8676e48269ab6732688ea733d23c","name":"https://git.kernel.org/stable/c/bb493058c35c8676e48269ab6732688ea733d23c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b628f2c6feb3a115ea72d3120a2bd94afc5163df","name":"https://git.kernel.org/stable/c/b628f2c6feb3a115ea72d3120a2bd94afc5163df","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74450","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74450","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1684d3ba488529266ce6f97b88076bd185f4790e b628f2c6feb3a115ea72d3120a2bd94afc5163df git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1684d3ba488529266ce6f97b88076bd185f4790e bb493058c35c8676e48269ab6732688ea733d23c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.9","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.9 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.8 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc6 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/pm/amdgpu_dpm.c","drivers/gpu/drm/amd/pm/amdgpu_pm.c","drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b628f2c6feb3a115ea72d3120a2bd94afc5163df","status":"affected","version":"1684d3ba488529266ce6f97b88076bd185f4790e","versionType":"git"},{"lessThan":"bb493058c35c8676e48269ab6732688ea733d23c","status":"affected","version":"1684d3ba488529266ce6f97b88076bd185f4790e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/pm/amdgpu_dpm.c","drivers/gpu/drm/amd/pm/amdgpu_pm.c","drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.9"},{"lessThan":"4.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc6","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.8","versionStartIncluding":"4.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc6","versionStartIncluding":"4.9","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/pm: fix pptable use-after-free\n\namdgpu_dpm_get_pp_table() returns a pointer to a driver-owned power table\nafter dropping adev->pm.mutex. The sysfs path then copies from that pointer.\nA concurrent pp_table write can replace and free the allocation during the\ncopy, causing a use-after-free.\n\nChange the DPM interface to copy into caller-provided storage while the mutex\nis held. Keep the size-only query for attribute discovery without exposing\nthe driver-owned pointer.\n\n(cherry picked from commit f6eed7acfd30099ef7baeb6ba45bb59daad80631)"}],"providerMetadata":{"dateUpdated":"2026-08-15T12:26:55.127Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b628f2c6feb3a115ea72d3120a2bd94afc5163df"},{"url":"https://git.kernel.org/stable/c/bb493058c35c8676e48269ab6732688ea733d23c"}],"title":"drm/amd/pm: fix pptable use-after-free","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74450","datePublished":"2026-08-15T12:26:55.127Z","dateReserved":"2026-08-15T05:44:03.899Z","dateUpdated":"2026-08-15T12:26:55.127Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 13:17:49","lastModifiedDate":"2026-08-15 13:17:49","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74450","Ordinal":"1","Title":"drm/amd/pm: fix pptable use-after-free","CVE":"CVE-2026-74450","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74450","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/pm: fix pptable use-after-free\n\namdgpu_dpm_get_pp_table() returns a pointer to a driver-owned power table\nafter dropping adev->pm.mutex. The sysfs path then copies from that pointer.\nA concurrent pp_table write can replace and free the allocation during the\ncopy, causing a use-after-free.\n\nChange the DPM interface to copy into caller-provided storage while the mutex\nis held. Keep the size-only query for attribute discovery without exposing\nthe driver-owned pointer.\n\n(cherry picked from commit f6eed7acfd30099ef7baeb6ba45bb59daad80631)","Type":"Description","Title":"drm/amd/pm: fix pptable use-after-free"}]}}}