CVE-2026-23145 — ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Linux / Linux	affected 1cfb3e4ddbdc8e02e637b8852540bd4718bf4814 before 7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f; affected 505e69f76ac497e788f4ea0267826ec7266b40c8 before 6241cd1d0acc2363016ac55b8773ba1332dd59d7; affected 3d6269028246f4484bfed403c947a114bb583631 before 3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626; affected 79ea7f3e11effe1bd9e753172981d9029133a278 before 0b06cde92f2f960f4ebe3c988c69f2711f2a24dc; affected 6b879c4c6bbaab03c0ad2a983953bd1410bb165e before 8e8542c539927ae3898a4d02941f84e252e2dea1; affected 57295e835408d8d425bef58da5253465db3d6888 before 06e26287f2e349a28ad363941ffd9076bfed8b2e; affected 57295e835408d8d425bef58da5253465db3d6888 before d250bdf531d9cd4096fedbb9f172bb2ca660c868; affected ea39e712c2f5ae148ee5515798ae03523673e002; affected 440b003f449a4ff2a00b08c8eab9ba5cd28f3943; affected 5.10.246 before 5.10.249; affected 5.15.195 before 5.15.199; affected 6.1.157 before 6.1.162; affected 6.6.113 before 6.6.122; affected 6.12.54 before 6.12.67; affected 5.4.301 before 5.5; affected 6.17.4 before 6.18
Linux / Linux	affected 6.18; unaffected 0 before 6.18; unaffected 5.10.249 through 5.10.; unaffected 5.15.199 through 5.15.; unaffected 6.1.162 through 6.1.; unaffected 6.6.122 through 6.6.; unaffected 6.12.67 through 6.12.; unaffected 6.18.7 through 6.18.; unaffected 6.19 through *

Vendor / product

Versions

Linux / Linux

affected 1cfb3e4ddbdc8e02e637b8852540bd4718bf4814 before 7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f; affected 505e69f76ac497e788f4ea0267826ec7266b40c8 before 6241cd1d0acc2363016ac55b8773ba1332dd59d7; affected 3d6269028246f4484bfed403c947a114bb583631 before 3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626; affected 79ea7f3e11effe1bd9e753172981d9029133a278 before 0b06cde92f2f960f4ebe3c988c69f2711f2a24dc; affected 6b879c4c6bbaab03c0ad2a983953bd1410bb165e before 8e8542c539927ae3898a4d02941f84e252e2dea1; affected 57295e835408d8d425bef58da5253465db3d6888 before 06e26287f2e349a28ad363941ffd9076bfed8b2e; affected 57295e835408d8d425bef58da5253465db3d6888 before d250bdf531d9cd4096fedbb9f172bb2ca660c868; affected ea39e712c2f5ae148ee5515798ae03523673e002; affected 440b003f449a4ff2a00b08c8eab9ba5cd28f3943; affected 5.10.246 before 5.10.249; affected 5.15.195 before 5.15.199; affected 6.1.157 before 6.1.162; affected 6.6.113 before 6.6.122; affected 6.12.54 before 6.12.67; affected 5.4.301 before 5.5; affected 6.17.4 before 6.18

Linux / Linux

affected 6.18; unaffected 0 before 6.18; unaffected 5.10.249 through 5.10.*; unaffected 5.15.199 through 5.15.*; unaffected 6.1.162 through 6.1.*; unaffected 6.6.122 through 6.6.*; unaffected 6.12.67 through 6.12.*; unaffected 6.18.7 through 6.18.*; unaffected 6.19 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.