Medium 5.5Published Feb 14, 2026

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

Updated under an hour ago (Oct 27, 2026, 2:50 AM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-401
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 1cfb3e4ddbdc8e02e637b8852540bd4718bf4814 before 7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f; from 505e69f76ac497e788f4ea0267826ec7266b40c8 before 6241cd1d0acc2363016ac55b8773ba1332dd59d7; 3d6269028246f4484bfed403c947a114bb583631 builds before 3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626; 79ea7f3e11effe1bd9e753172981d9029133a278 builds before 0b06cde92f2f960f4ebe3c988c69f2711f2a24dc; from 6b879c4c6bbaab03c0ad2a983953bd1410bb165e before 8e8542c539927ae3898a4d02941f84e252e2dea1; 57295e835408d8d425bef58da5253465db3d6888 builds before 06e26287f2e349a28ad363941ffd9076bfed8b2e; from 57295e835408d8d425bef58da5253465db3d6888 before d250bdf531d9cd4096fedbb9f172bb2ca660c868; ea39e712c2f5ae148ee5515798ae03523673e002; and 8 more ranges	CNA record
linux linux_kernel linux:linux_kernel	from 5.4.301 before 5.5; from 5.10.246 before 5.10.249; from 5.15.195 before 5.15.199; from 6.1.157 before 6.1.162; from 6.6.113 before 6.6.122; from 6.12.54 before 6.12.67; from 6.17.4 before 6.18.7; 6.19; and 4 more ranges	NVD

References

References

https://git.kernel.org/stable/c/7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f	patch
https://git.kernel.org/stable/c/6241cd1d0acc2363016ac55b8773ba1332dd59d7	patch
https://git.kernel.org/stable/c/3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626	patch
https://git.kernel.org/stable/c/0b06cde92f2f960f4ebe3c988c69f2711f2a24dc	patch
https://git.kernel.org/stable/c/8e8542c539927ae3898a4d02941f84e252e2dea1	patch
https://git.kernel.org/stable/c/06e26287f2e349a28ad363941ffd9076bfed8b2e	patch
https://git.kernel.org/stable/c/d250bdf531d9cd4096fedbb9f172bb2ca660c868	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.