#VU122859 Memory leak in Linux kernel - CVE-2026-23145
Published: February 16, 2026
Vulnerability identifier: #VU122859
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-23145
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ext4_xattr_inode_update_ref() function in fs/ext4/xattr.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/06e26287f2e349a28ad363941ffd9076bfed8b2e
- https://git.kernel.org/stable/c/0b06cde92f2f960f4ebe3c988c69f2711f2a24dc
- https://git.kernel.org/stable/c/3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626
- https://git.kernel.org/stable/c/6241cd1d0acc2363016ac55b8773ba1332dd59d7
- https://git.kernel.org/stable/c/7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f
- https://git.kernel.org/stable/c/8e8542c539927ae3898a4d02941f84e252e2dea1
- https://git.kernel.org/stable/c/d250bdf531d9cd4096fedbb9f172bb2ca660c868