{"id":"CVE-2026-97427","state":"PUBLISHED","title":"drm/amd/pm: bound pp_dpm_set_pp_table() memcpy","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/pm: bound pp_dpm_set_pp_table() memcpy\n\nThe powerplay path allocates hardcode_pp_table once with kmemdup(...,\nsoft_pp_table_size). memcpy(..., size) used the sysfs store count (up to\nPAGE_SIZE) with no upper bound, causing heap overflow. Reject\nwrites where size exceeds soft_pp_table_size.","publishedAt":"2026-09-24T16:03:40.151Z","updatedAt":"2026-10-03T10:58:15.472Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a","status":"affected","lessThan":"abe61d067b48b947bedc9bae3725cb8f48dc8c0a","versionType":"git"},{"version":"b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a","status":"affected","lessThan":"9b5cb2e4eb297fe52be26fd895fc5ea28fc22bf9","versionType":"git"},{"version":"b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a","status":"affected","lessThan":"43d2ab8408f9f468b232350c74160ae21e763020","versionType":"git"},{"version":"b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a","status":"affected","lessThan":"3334985f8b4c7c637a829744c81518ad9a671bcb","versionType":"git"},{"version":"b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a","status":"affected","lessThan":"f193e71fa9fab2e68ef85201b106e8f580d3a25b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.6","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c"]}],"references":["https://git.kernel.org/stable/c/abe61d067b48b947bedc9bae3725cb8f48dc8c0a","https://git.kernel.org/stable/c/9b5cb2e4eb297fe52be26fd895fc5ea28fc22bf9","https://git.kernel.org/stable/c/43d2ab8408f9f468b232350c74160ae21e763020","https://git.kernel.org/stable/c/3334985f8b4c7c637a829744c81518ad9a671bcb","https://git.kernel.org/stable/c/f193e71fa9fab2e68ef85201b106e8f580d3a25b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97427.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97427","state":"PUBLISHED","datePublished":"2026-09-24T16:03:40.151Z","dateUpdated":"2026-10-03T10:58:15.472Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T14:53:16.868Z"},"containers":{"cna":{"title":"drm/amd/pm: bound pp_dpm_set_pp_table() memcpy","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/pm: bound pp_dpm_set_pp_table() memcpy\n\nThe powerplay path allocates hardcode_pp_table once with kmemdup(...,\nsoft_pp_table_size). memcpy(..., size) used the sysfs store count (up to\nPAGE_SIZE) with no upper bound, causing heap overflow. Reject\nwrites where size exceeds soft_pp_table_size."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a","status":"affected","lessThan":"abe61d067b48b947bedc9bae3725cb8f48dc8c0a","versionType":"git"},{"version":"b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a","status":"affected","lessThan":"9b5cb2e4eb297fe52be26fd895fc5ea28fc22bf9","versionType":"git"},{"version":"b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a","status":"affected","lessThan":"43d2ab8408f9f468b232350c74160ae21e763020","versionType":"git"},{"version":"b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a","status":"affected","lessThan":"3334985f8b4c7c637a829744c81518ad9a671bcb","versionType":"git"},{"version":"b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a","status":"affected","lessThan":"f193e71fa9fab2e68ef85201b106e8f580d3a25b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.6","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/abe61d067b48b947bedc9bae3725cb8f48dc8c0a"},{"url":"https://git.kernel.org/stable/c/9b5cb2e4eb297fe52be26fd895fc5ea28fc22bf9"},{"url":"https://git.kernel.org/stable/c/43d2ab8408f9f468b232350c74160ae21e763020"},{"url":"https://git.kernel.org/stable/c/3334985f8b4c7c637a829744c81518ad9a671bcb"},{"url":"https://git.kernel.org/stable/c/f193e71fa9fab2e68ef85201b106e8f580d3a25b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-03T10:58:15.472Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}