{"id":"CVE-2026-23145","title":"ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref","summary":"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 revie…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1cfb3e4ddbdc8e02e637b8852540bd4718bf4814 < 7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f","Linux >= 505e69f76ac497e788f4ea0267826ec7266b40c8 < 6241cd1d0acc2363016ac55b8773ba1332dd59d7","Linux >= 3d6269028246f4484bfed403c947a114bb583631 < 3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626","Linux >= 79ea7f3e11effe1bd9e753172981d9029133a278 < 0b06cde92f2f960f4ebe3c988c69f2711f2a24dc","Linux >= 6b879c4c6bbaab03c0ad2a983953bd1410bb165e < 8e8542c539927ae3898a4d02941f84e252e2dea1","Linux >= 57295e835408d8d425bef58da5253465db3d6888 < 06e26287f2e349a28ad363941ffd9076bfed8b2e","Linux >= 57295e835408d8d425bef58da5253465db3d6888 < d250bdf531d9cd4096fedbb9f172bb2ca660c868","Linux ea39e712c2f5ae148ee5515798ae03523673e002","Linux 440b003f449a4ff2a00b08c8eab9ba5cd28f3943","Linux >= 5.10.246 < 5.10.249","Linux >= 5.15.195 < 5.15.199","Linux >= 6.1.157 < 6.1.162","Linux >= 6.6.113 < 6.6.122","Linux >= 6.12.54 < 6.12.67","Linux >= 5.4.301 < 5.5","Linux >= 6.17.4 < 6.18","Linux 6.18"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-10T20:40:26.723393Z"},"published":"2026-02-14","updated":"2026-10-19","sourceUpdated":"2026-10-19T18:25:33.284Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23145","references":[{"url":"https://git.kernel.org/stable/c/7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f"},{"url":"https://git.kernel.org/stable/c/6241cd1d0acc2363016ac55b8773ba1332dd59d7"},{"url":"https://git.kernel.org/stable/c/3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626"},{"url":"https://git.kernel.org/stable/c/0b06cde92f2f960f4ebe3c988c69f2711f2a24dc"},{"url":"https://git.kernel.org/stable/c/8e8542c539927ae3898a4d02941f84e252e2dea1"},{"url":"https://git.kernel.org/stable/c/06e26287f2e349a28ad363941ffd9076bfed8b2e"},{"url":"https://git.kernel.org/stable/c/d250bdf531d9cd4096fedbb9f172bb2ca660c868"}],"tags":["cve.org"],"epss":0.00143,"epssPercentile":0.03274,"ingestedAt":"2026-10-19T18:35:50.099Z","slug":"CVE-2026-23145","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= 1cfb3e4ddbdc8e02e637b8852540bd4718bf4814 < 7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f`\n- `Linux >= 505e69f76ac497e788f4ea0267826ec7266b40c8 < 6241cd1d0acc2363016ac55b8773ba1332dd59d7`\n- `Linux >= 3d6269028246f4484bfed403c947a114bb583631 < 3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626`\n- `Linux >= 79ea7f3e11effe1bd9e753172981d9029133a278 < 0b06cde92f2f960f4ebe3c988c69f2711f2a24dc`\n- `Linux >= 6b879c4c6bbaab03c0ad2a983953bd1410bb165e < 8e8542c539927ae3898a4d02941f84e252e2dea1`\n- `Linux >= 57295e835408d8d425bef58da5253465db3d6888 < 06e26287f2e349a28ad363941ffd9076bfed8b2e`\n- `Linux >= 57295e835408d8d425bef58da5253465db3d6888 < d250bdf531d9cd4096fedbb9f172bb2ca660c868`\n- `Linux ea39e712c2f5ae148ee5515798ae03523673e002`\n- `Linux 440b003f449a4ff2a00b08c8eab9ba5cd28f3943`\n- `Linux >= 5.10.246 < 5.10.249`\n- `Linux >= 5.15.195 < 5.15.199`\n- `Linux >= 6.1.157 < 6.1.162`\n- `Linux >= 6.6.113 < 6.6.122`\n- `Linux >= 6.12.54 < 6.12.67`\n- `Linux >= 5.4.301 < 5.5`\n- `Linux >= 6.17.4 < 6.18`\n- `Linux 6.18`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}