#VU120638 Memory leak in Linux kernel - CVE-2023-54260
Published: December 30, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120638
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-2023-54260
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 _smbd_get_connection() function in fs/cifs/smbdirect.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/04b7e13b8a13264282f874db5378fc3d3253cfac
- https://git.kernel.org/stable/c/324c0c34fff1affd436e509325cb46739209704e
- https://git.kernel.org/stable/c/46cd6c639cddba2bd2d810ceb16bb20374ad75b0
- https://git.kernel.org/stable/c/c51ae01104b318bf15f3c5097faba5c72addba7a
- https://git.kernel.org/stable/c/caac205e0d5b44c4c23a10c6c0976d50ebe16ac2
- https://git.kernel.org/stable/c/d303e25887127364a6765eaf7ac68aa2bac518a9
- https://git.kernel.org/stable/c/e9d3401d95d62a9531082cd2453ed42f2740e3fd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.276
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.99
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3