{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98005","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:19:56.068Z","datePublished":"2026-09-25T10:23:31.722Z","dateUpdated":"2026-09-25T10:23:31.722Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-25T10:23:31.722Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: delimit inode_share cache key components\n\nPreviously, inode_share keys were encoded as follows:\n\n  fingerprint || domain_id\n\nIt would be better to have a separator between the fingerprint and domain\nID so that the fingerprint won't be parsed as part of a domain ID.\n\nChange the key encoding as follows:\n\n  domain_id || '\\0' || fingerprint\n\nSince domain_id is a NUL-terminated string, this makes the in-memory key\nindices unambiguous."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/erofs/xattr.c"],"versions":[{"version":"e0bf7d1c074dc4252223ae897560345ccc24100d","lessThan":"16322a67336cfeea0af4b05206ef8d0e0eda55bb","status":"affected","versionType":"git"},{"version":"e0bf7d1c074dc4252223ae897560345ccc24100d","lessThan":"96bf9831fbf423b8104f7948cd8fe7007ecfb46c","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/erofs/xattr.c"],"versions":[{"version":"7.0","status":"affected"},{"version":"0","lessThan":"7.0","status":"unaffected","versionType":"semver"},{"version":"7.2.7","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc3","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":"7.0","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.3-rc3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/16322a67336cfeea0af4b05206ef8d0e0eda55bb"},{"url":"https://git.kernel.org/stable/c/96bf9831fbf423b8104f7948cd8fe7007ecfb46c"}],"title":"erofs: delimit inode_share cache key components","x_generator":{"engine":"bippy-1.2.0"}}}}