{"id":"CVE-2026-99080","aliases":[],"cve":{"records":[{"id":"CVE-2026-99080","source":"Linux","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-25T10:25:14.390Z","published":"2026-10-23T12:23:27.393Z","modified":"2026-10-30T12:41:35.342Z"}],"publishers":[{"name":"Linux","role":"CNA","organizationId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","modified":"2026-10-30T12:41:35.342Z"}],"references":[{"url":"https://git.kernel.org/stable/c/3e837269bbfe78a602e0c259d57ffafe7a4df3b2","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/813779d7974e51a6950c7237708853b129d564e1","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/04456642e33022cc53562a91393a09d492124b44","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/f1c966eb6ed5e190c90a56c5bdaa69967de39f21","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/21f51434c47d8628b62275ae6c6ad6b573abcd02","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/50cff3f112d64db6e5f57355f79bc837db8fe132","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/43f830e2bb84b22ca824b20bb861d823ecb520bd","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/ee3f011250104129893d8e9599147e457d4d7280","tags":[],"source":"Linux"}],"weaknesses":[],"applicability":[{"source":"Linux","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"7.2.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"7.3"}]}]}]}],"prioritization":[]},"title":"fs: Free any excess xarray nodes in clear_inode()","titleSource":"Linux","descriptionSource":"Linux","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs: Free any excess xarray nodes in clear_inode()\n\nFor many years we've had a hard to hit leak of xarray nodes.  Hugh\ndocumented it well in commit 786b31121a2c.  Recently people and\nsyzbot have found ways to force it to happen with madvise.  Rather\nthan fix the leaks where they happen, just call xa_destroy() which\nhas the side-effect of cycling the i_pages lock.","score":null,"severity":"unknown","published":"2026-10-23T12:23:27.393Z","modified":"2026-10-30T12:41:35.342Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","status":"affected","lessThan":"3e837269bbfe78a602e0c259d57ffafe7a4df3b2","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","status":"affected","lessThan":"813779d7974e51a6950c7237708853b129d564e1","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","status":"affected","lessThan":"04456642e33022cc53562a91393a09d492124b44","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","status":"affected","lessThan":"f1c966eb6ed5e190c90a56c5bdaa69967de39f21","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","status":"affected","lessThan":"21f51434c47d8628b62275ae6c6ad6b573abcd02","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","status":"affected","lessThan":"50cff3f112d64db6e5f57355f79bc837db8fe132","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","status":"affected","lessThan":"43f830e2bb84b22ca824b20bb861d823ecb520bd","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","status":"affected","lessThan":"ee3f011250104129893d8e9599147e457d4d7280","versionType":"git"}],"defaultStatus":"unaffected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99080"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"4.20","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.20","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.11","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99080"}],"remediation":[],"references":["https://git.kernel.org/stable/c/3e837269bbfe78a602e0c259d57ffafe7a4df3b2","https://git.kernel.org/stable/c/813779d7974e51a6950c7237708853b129d564e1","https://git.kernel.org/stable/c/04456642e33022cc53562a91393a09d492124b44","https://git.kernel.org/stable/c/f1c966eb6ed5e190c90a56c5bdaa69967de39f21","https://git.kernel.org/stable/c/21f51434c47d8628b62275ae6c6ad6b573abcd02","https://git.kernel.org/stable/c/50cff3f112d64db6e5f57355f79bc837db8fe132","https://git.kernel.org/stable/c/43f830e2bb84b22ca824b20bb861d823ecb520bd","https://git.kernel.org/stable/c/ee3f011250104129893d8e9599147e457d4d7280"],"sources":[{"name":"CVE","id":"CVE-2026-99080","modified":"2026-10-30T12:41:35.342Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-99080"}],"assessments":[],"sourceAffected":[],"observedAt":"2026-10-30T13:11:48.334Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T23:35:33.875Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"The Linux kernel has a vulnerability where excess xarray nodes are not freed in clear_inode(), potentially causing a leak. The affected versions are prior to multiple specified git commits and semver versions. The impact is not explicitly stated.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-31T14:21:03.435Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-99080"}]}}