{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-99080","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.390Z","datePublished":"2026-10-23T12:23:27.393Z","dateUpdated":"2026-10-30T12:41:35.342Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-30T12:41:35.342Z"},"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/inode.c"],"versions":[{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","lessThan":"3e837269bbfe78a602e0c259d57ffafe7a4df3b2","status":"affected","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","lessThan":"813779d7974e51a6950c7237708853b129d564e1","status":"affected","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","lessThan":"04456642e33022cc53562a91393a09d492124b44","status":"affected","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","lessThan":"f1c966eb6ed5e190c90a56c5bdaa69967de39f21","status":"affected","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","lessThan":"21f51434c47d8628b62275ae6c6ad6b573abcd02","status":"affected","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","lessThan":"50cff3f112d64db6e5f57355f79bc837db8fe132","status":"affected","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","lessThan":"43f830e2bb84b22ca824b20bb861d823ecb520bd","status":"affected","versionType":"git"},{"version":"77da9389b9d5f07d54fda092d1ab56002ec0019a","lessThan":"ee3f011250104129893d8e9599147e457d4d7280","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/inode.c"],"versions":[{"version":"4.20","status":"affected"},{"version":"0","lessThan":"4.20","status":"unaffected","versionType":"semver"},{"version":"5.10.273","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.224","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.191","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.160","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.113","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.57","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.11","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"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"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3e837269bbfe78a602e0c259d57ffafe7a4df3b2"},{"url":"https://git.kernel.org/stable/c/813779d7974e51a6950c7237708853b129d564e1"},{"url":"https://git.kernel.org/stable/c/04456642e33022cc53562a91393a09d492124b44"},{"url":"https://git.kernel.org/stable/c/f1c966eb6ed5e190c90a56c5bdaa69967de39f21"},{"url":"https://git.kernel.org/stable/c/21f51434c47d8628b62275ae6c6ad6b573abcd02"},{"url":"https://git.kernel.org/stable/c/50cff3f112d64db6e5f57355f79bc837db8fe132"},{"url":"https://git.kernel.org/stable/c/43f830e2bb84b22ca824b20bb861d823ecb520bd"},{"url":"https://git.kernel.org/stable/c/ee3f011250104129893d8e9599147e457d4d7280"}],"title":"fs: Free any excess xarray nodes in clear_inode()","x_generator":{"engine":"bippy-1.2.0"}}}}