#VU122843 Memory leak in Linux kernel - CVE-2026-23205
Published: February 16, 2026
Vulnerability identifier: #VU122843
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-2026-23205
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 smb2_open_file() function in fs/smb/client/smb2file.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/3a6d6b332f92990958602c1e35ce0173e2dd62e9
- https://git.kernel.org/stable/c/743f70406264348c0830f38409eb6c40a42fb2db
- https://git.kernel.org/stable/c/9ee608a64e37cea5b4b13e436c559dd0fb2ad1b5
- https://git.kernel.org/stable/c/b64e3b5d8d759dd4333992e4ba4dadf9359952c8
- https://git.kernel.org/stable/c/e3a43633023e3cacaca60d4b8972d084a2b06236