{"api_version":"1","generated_at":"2026-08-16T22:52:32+00:00","cve":"CVE-2026-72487","urls":{"html":"https://cve.report/CVE-2026-72487","api":"https://cve.report/api/cve/CVE-2026-72487.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72487","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72487"},"summary":{"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  <TASK>\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":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:22","updated_at":"2026-08-15 06:22:22"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/4997873e3abbad47a9e1e4abd05f045f77a74f22","name":"https://git.kernel.org/stable/c/4997873e3abbad47a9e1e4abd05f045f77a74f22","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/724042f8f98d2594b9d164549fd4292c6bd58120","name":"https://git.kernel.org/stable/c/724042f8f98d2594b9d164549fd4292c6bd58120","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1d495446ec7ace5b61da366ffb161ee8319dd9a2","name":"https://git.kernel.org/stable/c/1d495446ec7ace5b61da366ffb161ee8319dd9a2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cd5b242d5848369b9e957340a7e30adee7b6763d","name":"https://git.kernel.org/stable/c/cd5b242d5848369b9e957340a7e30adee7b6763d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/538796b807fcfb81b2ce40cc97a614fd8588feb5","name":"https://git.kernel.org/stable/c/538796b807fcfb81b2ce40cc97a614fd8588feb5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/721ad5b72448b5065ed309017ab563205f162404","name":"https://git.kernel.org/stable/c/721ad5b72448b5065ed309017ab563205f162404","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72487","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72487","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 47b975d234eac39f3a72e5496d5f6158d8b806d1 cd5b242d5848369b9e957340a7e30adee7b6763d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 47b975d234eac39f3a72e5496d5f6158d8b806d1 4997873e3abbad47a9e1e4abd05f045f77a74f22 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 47b975d234eac39f3a72e5496d5f6158d8b806d1 724042f8f98d2594b9d164549fd4292c6bd58120 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 47b975d234eac39f3a72e5496d5f6158d8b806d1 1d495446ec7ace5b61da366ffb161ee8319dd9a2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 47b975d234eac39f3a72e5496d5f6158d8b806d1 721ad5b72448b5065ed309017ab563205f162404 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 47b975d234eac39f3a72e5496d5f6158d8b806d1 538796b807fcfb81b2ce40cc97a614fd8588feb5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.5","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.5 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72487","cve":"CVE-2026-72487","epss":"0.002150000","percentile":"0.121270000","score_date":"2026-08-15","updated_at":"2026-08-16 00:00:30"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/pci/rom.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"cd5b242d5848369b9e957340a7e30adee7b6763d","status":"affected","version":"47b975d234eac39f3a72e5496d5f6158d8b806d1","versionType":"git"},{"lessThan":"4997873e3abbad47a9e1e4abd05f045f77a74f22","status":"affected","version":"47b975d234eac39f3a72e5496d5f6158d8b806d1","versionType":"git"},{"lessThan":"724042f8f98d2594b9d164549fd4292c6bd58120","status":"affected","version":"47b975d234eac39f3a72e5496d5f6158d8b806d1","versionType":"git"},{"lessThan":"1d495446ec7ace5b61da366ffb161ee8319dd9a2","status":"affected","version":"47b975d234eac39f3a72e5496d5f6158d8b806d1","versionType":"git"},{"lessThan":"721ad5b72448b5065ed309017ab563205f162404","status":"affected","version":"47b975d234eac39f3a72e5496d5f6158d8b806d1","versionType":"git"},{"lessThan":"538796b807fcfb81b2ce40cc97a614fd8588feb5","status":"affected","version":"47b975d234eac39f3a72e5496d5f6158d8b806d1","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/pci/rom.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":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"4.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"4.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"4.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"4.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"4.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"4.5","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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  <TASK>\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]"}],"providerMetadata":{"dateUpdated":"2026-08-15T05:57:23.490Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/cd5b242d5848369b9e957340a7e30adee7b6763d"},{"url":"https://git.kernel.org/stable/c/4997873e3abbad47a9e1e4abd05f045f77a74f22"},{"url":"https://git.kernel.org/stable/c/724042f8f98d2594b9d164549fd4292c6bd58120"},{"url":"https://git.kernel.org/stable/c/1d495446ec7ace5b61da366ffb161ee8319dd9a2"},{"url":"https://git.kernel.org/stable/c/721ad5b72448b5065ed309017ab563205f162404"},{"url":"https://git.kernel.org/stable/c/538796b807fcfb81b2ce40cc97a614fd8588feb5"}],"title":"PCI: Check ROM header and data structure addr before accessing","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72487","datePublished":"2026-08-15T05:57:23.490Z","dateReserved":"2026-08-09T03:40:39.936Z","dateUpdated":"2026-08-15T05:57:23.490Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:22","lastModifiedDate":"2026-08-15 06:22:22","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72487","Ordinal":"1","Title":"PCI: Check ROM header and data structure addr before accessing","CVE":"CVE-2026-72487","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72487","Ordinal":"1","NoteData":"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  <TASK>\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]","Type":"Description","Title":"PCI: Check ROM header and data structure addr before accessing"}]}}}