CVE-2026-23145 PUBLISHED

ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref

Assigner: Linux
Reserved: 13.01.2026 Published: 14.02.2026 Updated: 14.02.2026

In the Linux kernel, the following vulnerability has been resolved:

ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref

The error branch for ext4_xattr_inode_update_ref forget to release the refcount for iloc.bh. Find this when review code.

Vendor	Linux
Product	Linux
Versions	Default: unaffected affected from 1cfb3e4ddbdc8e02e637b8852540bd4718bf4814 to 7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f (excl.) affected from 505e69f76ac497e788f4ea0267826ec7266b40c8 to 6241cd1d0acc2363016ac55b8773ba1332dd59d7 (excl.) affected from 3d6269028246f4484bfed403c947a114bb583631 to 3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626 (excl.) affected from 79ea7f3e11effe1bd9e753172981d9029133a278 to 0b06cde92f2f960f4ebe3c988c69f2711f2a24dc (excl.) affected from 6b879c4c6bbaab03c0ad2a983953bd1410bb165e to 8e8542c539927ae3898a4d02941f84e252e2dea1 (excl.) affected from 57295e835408d8d425bef58da5253465db3d6888 to 06e26287f2e349a28ad363941ffd9076bfed8b2e (excl.) affected from 57295e835408d8d425bef58da5253465db3d6888 to d250bdf531d9cd4096fedbb9f172bb2ca660c868 (excl.) Version ea39e712c2f5ae148ee5515798ae03523673e002 is affected Version 440b003f449a4ff2a00b08c8eab9ba5cd28f3943 is affected

Vendor	Linux
Product	Linux
Versions	Default: affected Version 6.18 is affected unaffected from 0 to 6.18 (excl.) unaffected from 5.10.249 to 5.10.* (incl.) unaffected from 5.15.199 to 5.15.* (incl.) unaffected from 6.1.162 to 6.1.* (incl.) unaffected from 6.6.122 to 6.6.* (incl.) unaffected from 6.12.67 to 6.12.* (incl.) unaffected from 6.18.7 to 6.18.* (incl.) unaffected from 6.19 to * (incl.)