CVE-2026-93179

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93179", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-17T16:02:15.091Z", "datePublished": "2026-09-17T16:12:07.307Z", "dateUpdated": "2026-10-30T12:36:17.392Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:36:17.392Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/powerplay: fix VoltageObjectInfo zero-stride loop and OOB read\n\nReject voltage objects whose usSize is smaller than the header or would\nadvance the cursor past the table end, preventing an infinite loop or\nheap OOB read when the VBIOS supplies a malformed VoltageObjectInfo table."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c", "drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomfwctrl.c"], "versions": [{"version": "c82baa28184356a75c0157129f88af42b2e7b695", "lessThan": "ed84504713e8357f33693f638fda68fc98f0c9d2", "status": "affected", "versionType": "git"}, {"version": "c82baa28184356a75c0157129f88af42b2e7b695", "lessThan": "86644d37d2b388854b2cfd4d4f57b3d84a57154b", "status": "affected", "versionType": "git"}, {"version": "c82baa28184356a75c0157129f88af42b2e7b695", "lessThan": "e5b3c485ef911358752a3abbf3705d05d0eafd7a", "status": "affected", "versionType": "git"}, {"version": "c82baa28184356a75c0157129f88af42b2e7b695", "lessThan": "574af7c61f2bed37baa3b60669e428d24d2c9ae8", "status": "affected", "versionType": "git"}, {"version": "c82baa28184356a75c0157129f88af42b2e7b695", "lessThan": "203ffe648948ca3c2f55b21118945a7a6d0884aa", "status": "affected", "versionType": "git"}, {"version": "c82baa28184356a75c0157129f88af42b2e7b695", "lessThan": "0a6c9b3801903b6db91f3cbf148646b501dbded3", "status": "affected", "versionType": "git"}, {"version": "c82baa28184356a75c0157129f88af42b2e7b695", "lessThan": "83c680de6d41d627c077dedb24f89d9e5be0e2a2", "status": "affected", "versionType": "git"}, {"version": "c82baa28184356a75c0157129f88af42b2e7b695", "lessThan": "5d3cc8e388464f485d0944b87b8f9426e637d082", "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/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c", "drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomfwctrl.c"], "versions": [{"version": "4.5", "status": "affected"}, {"version": "0", "lessThan": "4.5", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.273", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.224", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.113", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.56", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "4.5", "versionEndExcluding": "5.10.273"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "5.15.224"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.12.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.18.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ed84504713e8357f33693f638fda68fc98f0c9d2"}, {"url": "https://git.kernel.org/stable/c/86644d37d2b388854b2cfd4d4f57b3d84a57154b"}, {"url": "https://git.kernel.org/stable/c/e5b3c485ef911358752a3abbf3705d05d0eafd7a"}, {"url": "https://git.kernel.org/stable/c/574af7c61f2bed37baa3b60669e428d24d2c9ae8"}, {"url": "https://git.kernel.org/stable/c/203ffe648948ca3c2f55b21118945a7a6d0884aa"}, {"url": "https://git.kernel.org/stable/c/0a6c9b3801903b6db91f3cbf148646b501dbded3"}, {"url": "https://git.kernel.org/stable/c/83c680de6d41d627c077dedb24f89d9e5be0e2a2"}, {"url": "https://git.kernel.org/stable/c/5d3cc8e388464f485d0944b87b8f9426e637d082"}], "title": "drm/amd/powerplay: fix VoltageObjectInfo zero-stride loop and OOB read", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c", "drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomfwctrl.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "ed84504713e8357f33693f638fda68fc98f0c9d2", "status": "affected", "version": "c82baa28184356a75c0157129f88af42b2e7b695", "versionType": "git"}, {"lessThan": "86644d37d2b388854b2cfd4d4f57b3d84a57154b", "status": "affected", "version": "c82baa28184356a75c0157129f88af42b2e7b695", "versionType": "git"}, {"lessThan": "e5b3c485ef911358752a3abbf3705d05d0eafd7a", "status": "affected", "version": "c82baa28184356a75c0157129f88af42b2e7b695", "versionType": "git"}, {"lessThan": "574af7c61f2bed37baa3b60669e428d24d2c9ae8", "status": "affected", "version": "c82baa28184356a75c0157129f88af42b2e7b695", "versionType": "git"}, {"lessThan": "203ffe648948ca3c2f55b21118945a7a6d0884aa", "status": "affected", "version": "c82baa28184356a75c0157129f88af42b2e7b695", "versionType": "git"}, {"lessThan": "0a6c9b3801903b6db91f3cbf148646b501dbded3", "status": "affected", "version": "c82baa28184356a75c0157129f88af42b2e7b695", "versionType": "git"}, {"lessThan": "83c680de6d41d627c077dedb24f89d9e5be0e2a2", "status": "affected", "version": "c82baa28184356a75c0157129f88af42b2e7b695", "versionType": "git"}, {"lessThan": "5d3cc8e388464f485d0944b87b8f9426e637d082", "status": "affected", "version": "c82baa28184356a75c0157129f88af42b2e7b695", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c", "drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomfwctrl.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.5"}, {"lessThan": "4.5", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.273", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.224", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.113", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.56", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/powerplay: fix VoltageObjectInfo zero-stride loop and OOB read\n\nReject voltage objects whose usSize is smaller than the header or would\nadvance the cursor past the table end, preventing an infinite loop or\nheap OOB read when the VBIOS supplies a malformed VoltageObjectInfo table."}], "id": "CVE-2026-93179", "lastModified": "2026-10-30T13:20:59.417", "metrics": {}, "published": "2026-09-17T17:18:13.773", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0a6c9b3801903b6db91f3cbf148646b501dbded3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/203ffe648948ca3c2f55b21118945a7a6d0884aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/574af7c61f2bed37baa3b60669e428d24d2c9ae8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5d3cc8e388464f485d0944b87b8f9426e637d082"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/83c680de6d41d627c077dedb24f89d9e5be0e2a2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/86644d37d2b388854b2cfd4d4f57b3d84a57154b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e5b3c485ef911358752a3abbf3705d05d0eafd7a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ed84504713e8357f33693f638fda68fc98f0c9d2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c82baa28184356a75c0157129f88af42b2e7b695,83c680de6d41d627c077dedb24f89d9e5be0e2a2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c82baa28184356a75c0157129f88af42b2e7b695,5d3cc8e388464f485d0944b87b8f9426e637d082)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.5"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,4.5)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T07:30:17.071904+00:00", "updated": "2026-09-20T08:00:08.233866+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}