#VU122869 Use-after-free in Linux kernel - CVE-2026-23193
Published: February 16, 2026
Vulnerability identifier: #VU122869
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-23193
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the iscsit_dec_session_usage_count() function in drivers/target/iscsi/iscsi_target_util.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/11ebafffce31efc6abeb28c509017976fc49f1ca
- https://git.kernel.org/stable/c/2b64015550a13bcc72910be0565548d9a754d46d
- https://git.kernel.org/stable/c/41b86a9ec037bd3435d68dd3692f0891a207e7e7
- https://git.kernel.org/stable/c/4530f4e4d0e6a207110b0ffed0c911bca43531a4
- https://git.kernel.org/stable/c/84dc6037390b8607c5551047d3970336cb51ba9a
- https://git.kernel.org/stable/c/d8dbdc146e9e9a976931b78715be2e91299049f9
- https://git.kernel.org/stable/c/fd8b0900173307039d3a84644c2fee041a7ed4fb