{"id":"CVE-2026-23145","state":"PUBLISHED","title":"ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix iloc.bh leak in ext4_xattr_inode_update_ref\n\nThe error branch for ext4_xattr_inode_update_ref forget to release the\nrefcount for iloc.bh. Find this when review code.","publishedAt":"2026-02-14T15:36:10.207Z","updatedAt":"2026-10-19T18:25:33.284Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1cfb3e4ddbdc8e02e637b8852540bd4718bf4814","status":"affected","lessThan":"7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f","versionType":"git"},{"version":"505e69f76ac497e788f4ea0267826ec7266b40c8","status":"affected","lessThan":"6241cd1d0acc2363016ac55b8773ba1332dd59d7","versionType":"git"},{"version":"3d6269028246f4484bfed403c947a114bb583631","status":"affected","lessThan":"3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626","versionType":"git"},{"version":"79ea7f3e11effe1bd9e753172981d9029133a278","status":"affected","lessThan":"0b06cde92f2f960f4ebe3c988c69f2711f2a24dc","versionType":"git"},{"version":"6b879c4c6bbaab03c0ad2a983953bd1410bb165e","status":"affected","lessThan":"8e8542c539927ae3898a4d02941f84e252e2dea1","versionType":"git"},{"version":"57295e835408d8d425bef58da5253465db3d6888","status":"affected","lessThan":"06e26287f2e349a28ad363941ffd9076bfed8b2e","versionType":"git"},{"version":"57295e835408d8d425bef58da5253465db3d6888","status":"affected","lessThan":"d250bdf531d9cd4096fedbb9f172bb2ca660c868","versionType":"git"},{"version":"ea39e712c2f5ae148ee5515798ae03523673e002","status":"affected","versionType":"git"},{"version":"440b003f449a4ff2a00b08c8eab9ba5cd28f3943","status":"affected","versionType":"git"},{"version":"5.10.246","status":"affected","lessThan":"5.10.249","versionType":"semver"},{"version":"5.15.195","status":"affected","lessThan":"5.15.199","versionType":"semver"},{"version":"6.1.157","status":"affected","lessThan":"6.1.162","versionType":"semver"},{"version":"6.6.113","status":"affected","lessThan":"6.6.122","versionType":"semver"},{"version":"6.12.54","status":"affected","lessThan":"6.12.67","versionType":"semver"},{"version":"5.4.301","status":"affected","lessThan":"5.5","versionType":"semver"},{"version":"6.17.4","status":"affected","lessThan":"6.18","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/xattr.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"5.10.249","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.199","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.162","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.122","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.67","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.7","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/xattr.c"]}],"references":["https://git.kernel.org/stable/c/7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f","https://git.kernel.org/stable/c/6241cd1d0acc2363016ac55b8773ba1332dd59d7","https://git.kernel.org/stable/c/3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626","https://git.kernel.org/stable/c/0b06cde92f2f960f4ebe3c988c69f2711f2a24dc","https://git.kernel.org/stable/c/8e8542c539927ae3898a4d02941f84e252e2dea1","https://git.kernel.org/stable/c/06e26287f2e349a28ad363941ffd9076bfed8b2e","https://git.kernel.org/stable/c/d250bdf531d9cd4096fedbb9f172bb2ca660c868"],"weaknesses":["CWE-401"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23145.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23145","state":"PUBLISHED","datePublished":"2026-02-14T15:36:10.207Z","dateUpdated":"2026-10-19T18:25:33.284Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.974Z"},"containers":{"cna":{"title":"ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix iloc.bh leak in ext4_xattr_inode_update_ref\n\nThe error branch for ext4_xattr_inode_update_ref forget to release the\nrefcount for iloc.bh. Find this when review 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