{"api_version":"1","generated_at":"2026-07-20T14:42:11+00:00","cve":"CVE-2026-64097","urls":{"html":"https://cve.report/CVE-2026-64097","api":"https://cve.report/api/cve/CVE-2026-64097.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64097","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64097"},"summary":{"title":"drm/amd/display: Validate GPIO pin LUT table size before iterating","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Validate GPIO pin LUT table size before iterating\n\n[Why&How]\nThe GPIO pin table parsers in get_gpio_i2c_info() and\nbios_parser_get_gpio_pin_info() derive an element count from the VBIOS\ntable_header.structuresize field, then iterate over gpio_pin[] entries.\nHowever, GET_IMAGE() only validates that the table header itself fits\nwithin the BIOS image. If the VBIOS reports a structuresize larger than\nthe actual mapped data, the loop reads past the end of the BIOS image,\ncausing an out-of-bounds read.\n\nFix this by calling bios_get_image() to validate that the full claimed\nstructuresize is accessible within the BIOS image before entering the\nloop in both functions.\n\n(cherry picked from commit ba5e95b43b773ae1bf1f66ee6b31eb774e65afe3)","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:50","updated_at":"2026-07-20 07:16:41"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/fb30a3890d62fd50a95aef684faf64a307592e42","name":"https://git.kernel.org/stable/c/fb30a3890d62fd50a95aef684faf64a307592e42","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f2a4827e980ba07de4391fa84d9c39a12726bdd7","name":"https://git.kernel.org/stable/c/f2a4827e980ba07de4391fa84d9c39a12726bdd7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/67461e0c15335894cc5d3b84cda823bf8cbdc886","name":"https://git.kernel.org/stable/c/67461e0c15335894cc5d3b84cda823bf8cbdc886","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9900f6954be779011e7c2cd42addd87baf028bc5","name":"https://git.kernel.org/stable/c/9900f6954be779011e7c2cd42addd87baf028bc5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7ca695b3122297b06a3ed605bbe1cd32c85d9f5a","name":"https://git.kernel.org/stable/c/7ca695b3122297b06a3ed605bbe1cd32c85d9f5a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/86d2b20644b11d21fe52c596e6e922b4590a3e3f","name":"https://git.kernel.org/stable/c/86d2b20644b11d21fe52c596e6e922b4590a3e3f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64097","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64097","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ae79c310b1a6f97429a5784b65f125d9cc9c95b1 9900f6954be779011e7c2cd42addd87baf028bc5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ae79c310b1a6f97429a5784b65f125d9cc9c95b1 fb30a3890d62fd50a95aef684faf64a307592e42 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ae79c310b1a6f97429a5784b65f125d9cc9c95b1 67461e0c15335894cc5d3b84cda823bf8cbdc886 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ae79c310b1a6f97429a5784b65f125d9cc9c95b1 7ca695b3122297b06a3ed605bbe1cd32c85d9f5a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ae79c310b1a6f97429a5784b65f125d9cc9c95b1 f2a4827e980ba07de4391fa84d9c39a12726bdd7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ae79c310b1a6f97429a5784b65f125d9cc9c95b1 86d2b20644b11d21fe52c596e6e922b4590a3e3f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.15","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.15 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.175 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.142 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.92 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.34 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.11 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * 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/display/dc/bios/bios_parser2.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"9900f6954be779011e7c2cd42addd87baf028bc5","status":"affected","version":"ae79c310b1a6f97429a5784b65f125d9cc9c95b1","versionType":"git"},{"lessThan":"fb30a3890d62fd50a95aef684faf64a307592e42","status":"affected","version":"ae79c310b1a6f97429a5784b65f125d9cc9c95b1","versionType":"git"},{"lessThan":"67461e0c15335894cc5d3b84cda823bf8cbdc886","status":"affected","version":"ae79c310b1a6f97429a5784b65f125d9cc9c95b1","versionType":"git"},{"lessThan":"7ca695b3122297b06a3ed605bbe1cd32c85d9f5a","status":"affected","version":"ae79c310b1a6f97429a5784b65f125d9cc9c95b1","versionType":"git"},{"lessThan":"f2a4827e980ba07de4391fa84d9c39a12726bdd7","status":"affected","version":"ae79c310b1a6f97429a5784b65f125d9cc9c95b1","versionType":"git"},{"lessThan":"86d2b20644b11d21fe52c596e6e922b4590a3e3f","status":"affected","version":"ae79c310b1a6f97429a5784b65f125d9cc9c95b1","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.15"},{"lessThan":"4.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.142","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.142","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.92","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.34","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.11","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"4.15","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Validate GPIO pin LUT table size before iterating\n\n[Why&How]\nThe GPIO pin table parsers in get_gpio_i2c_info() and\nbios_parser_get_gpio_pin_info() derive an element count from the VBIOS\ntable_header.structuresize field, then iterate over gpio_pin[] entries.\nHowever, GET_IMAGE() only validates that the table header itself fits\nwithin the BIOS image. If the VBIOS reports a structuresize larger than\nthe actual mapped data, the loop reads past the end of the BIOS image,\ncausing an out-of-bounds read.\n\nFix this by calling bios_get_image() to validate that the full claimed\nstructuresize is accessible within the BIOS image before entering the\nloop in both functions.\n\n(cherry picked from commit ba5e95b43b773ae1bf1f66ee6b31eb774e65afe3)"}],"providerMetadata":{"dateUpdated":"2026-07-20T06:41:47.421Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/9900f6954be779011e7c2cd42addd87baf028bc5"},{"url":"https://git.kernel.org/stable/c/fb30a3890d62fd50a95aef684faf64a307592e42"},{"url":"https://git.kernel.org/stable/c/67461e0c15335894cc5d3b84cda823bf8cbdc886"},{"url":"https://git.kernel.org/stable/c/7ca695b3122297b06a3ed605bbe1cd32c85d9f5a"},{"url":"https://git.kernel.org/stable/c/f2a4827e980ba07de4391fa84d9c39a12726bdd7"},{"url":"https://git.kernel.org/stable/c/86d2b20644b11d21fe52c596e6e922b4590a3e3f"}],"title":"drm/amd/display: Validate GPIO pin LUT table size before iterating","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64097","datePublished":"2026-07-19T15:40:03.599Z","dateReserved":"2026-07-19T07:54:57.033Z","dateUpdated":"2026-07-20T06:41:47.421Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:50","lastModifiedDate":"2026-07-20 07:16:41","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64097","Ordinal":"1","Title":"drm/amd/display: Validate GPIO pin LUT table size before iterati","CVE":"CVE-2026-64097","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64097","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Validate GPIO pin LUT table size before iterating\n\n[Why&How]\nThe GPIO pin table parsers in get_gpio_i2c_info() and\nbios_parser_get_gpio_pin_info() derive an element count from the VBIOS\ntable_header.structuresize field, then iterate over gpio_pin[] entries.\nHowever, GET_IMAGE() only validates that the table header itself fits\nwithin the BIOS image. If the VBIOS reports a structuresize larger than\nthe actual mapped data, the loop reads past the end of the BIOS image,\ncausing an out-of-bounds read.\n\nFix this by calling bios_get_image() to validate that the full claimed\nstructuresize is accessible within the BIOS image before entering the\nloop in both functions.\n\n(cherry picked from commit ba5e95b43b773ae1bf1f66ee6b31eb774e65afe3)","Type":"Description","Title":"drm/amd/display: Validate GPIO pin LUT table size before iterati"}]}}}