{"id":"CVE-2026-72487","revision":null,"records":[{"revision":"cbfb69e8bd594b7bbf80157bce7b51df","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72487","aliases":[],"title":"PCI: Check ROM header and data structure addr before accessing","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: Check ROM header and data structure addr before accessing\n\nWe meet a crash when running stress-ng on x86_64 machine:\n\n BUG: unable to handle page fault for address: ffa0000007f40000\n RIP: 0010:pci_get_rom_size+0x52/0x220\n Call Trace:\n \n pci_map_rom+0x80/0x130\n pci_read_rom+0x4b/0xe0\n kernfs_file_read_iter+0x96/0x180\n vfs_read+0x1b1/0x300\n\nOur analysis reveals that the ROM space's start address is\n0xffa0000007f30000, and size is 0x10000. Because of broken ROM space,\nbefore calling readl(pds), the pds's value is 0xffa0000007f3ffff, which is\nalready pointed to the ROM space end, invoking readl() would read 4 bytes\ntherefore cause an out-of-bounds access and trigger a crash. Fix this by\nadding image header and data structure checking.\n\nWe also found another crash on arm64 machine:\n\n Unable to handle kernel paging request at virtual address ffff8000dd1393ff\n Mem abort info:\n ESR = 0x0000000096000021\n EC = 0x25: DABT (current EL), IL = 32 bits\n SET = 0, FnV = 0\n EA = 0, S1PTW = 0\n FSC = 0x21: alignment fault\n\nThe call trace is the same with x86_64, but the crash reason is that the\ndata structure addr is not aligned with 4, and arm64 machine report\n\"alignment fault\". Fix this by adding alignment checking.\n\n[bhelgaas: shorten function names, wrap comments]","state":0,"publishedAt":"2026-08-15T05:57:23.49+00:00","modifiedAt":"2026-10-16T18:55:26.195+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/pci/rom.c\"\n ],\n \"versions\": [\n {\n \"version\": \"47b975d234eac39f3a72e5496d5f6158d8b806d1\",\n \"lessThan\": \"cd5b242d5848369b9e957340a7e30adee7b6763d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"47b975d234eac39f3a72e5496d5f6158d8b806d1\",\n \"lessThan\": \"4997873e3abbad47a9e1e4abd05f045f77a74f22\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"47b975d234eac39f3a72e5496d5f6158d8b806d1\",\n \"lessThan\": \"724042f8f98d2594b9d164549fd4292c6bd58120\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"47b975d234eac39f3a72e5496d5f6158d8b806d1\",\n \"lessThan\": \"1d495446ec7ace5b61da366ffb161ee8319dd9a2\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"47b975d234eac39f3a72e5496d5f6158d8b806d1\",\n \"lessThan\": \"721ad5b72448b5065ed309017ab563205f162404\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"47b975d234eac39f3a72e5496d5f6158d8b806d1\",\n \"lessThan\": \"538796b807fcfb81b2ce40cc97a614fd8588feb5\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/pci/rom.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.5\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.5\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.178\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.145\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.97\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.40\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.5\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","score":7.7,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/cd5b242d5848369b9e957340a7e30adee7b6763d","https://git.kernel.org/stable/c/4997873e3abbad47a9e1e4abd05f045f77a74f22","https://git.kernel.org/stable/c/724042f8f98d2594b9d164549fd4292c6bd58120","https://git.kernel.org/stable/c/1d495446ec7ace5b61da366ffb161ee8319dd9a2","https://git.kernel.org/stable/c/721ad5b72448b5065ed309017ab563205f162404","https://git.kernel.org/stable/c/538796b807fcfb81b2ce40cc97a614fd8588feb5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72487","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72487","identifiers":["CVE-2026-72487"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-09T09:04:02.9162191+00:00","complete":true,"records":1769,"lastAttemptAt":"2026-11-09T09:04:02.9162191+00:00","lastSuccessAt":"2026-11-09T09:04:03.0760313+00:00","error":null,"lastVerifiedAt":"2026-11-09T09:04:03.0760345+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-24e6fde7b744113daefb8f6135035fb8a5c69c9617c9c0d40574a0376532ffd3-0ea295a9c399a04b3ab57ccec2161d0d1cc039ee9ab5c4d8b6299048bd56b277","complete":true,"records":421333,"lastAttemptAt":"2026-11-09T09:02:14.7013141+00:00","lastSuccessAt":"2026-11-09T09:02:14.6291653+00:00","error":null,"lastVerifiedAt":"2026-11-09T09:02:14.7013141+00:00","snapshotPublishedAt":"2026-11-09T08:31:17+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-f802d99f4b194cb8aa9e0ce8deb147f4","complete":false,"records":13654,"lastAttemptAt":"2026-11-09T09:08:41.417931+00:00","lastSuccessAt":"2026-11-09T09:08:41.5110542+00:00","error":null,"lastVerifiedAt":"2026-11-09T09:08:41.5110542+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-09T09:04:02.9162191+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T09:04:02.9162191+00:00","lastSuccessAt":"2026-11-09T09:04:03.197028+00:00","error":null,"lastVerifiedAt":"2026-11-09T09:04:03.1970284+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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