#VU119297 Use-after-free in Linux kernel - CVE-2023-53751
Published: December 8, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119297
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-2023-53751
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 cifs_chan_is_iface_active() and cifs_try_adding_channels() functions in fs/cifs/sess.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/0b08c4c499200be67d54c439d56e5ea866869945
- https://git.kernel.org/stable/c/64d62ac6d6514cba1305bd08e271ec1843bdd612
- https://git.kernel.org/stable/c/90c49fce1c43e1cc152695e20363ff5087897c09
- https://git.kernel.org/stable/c/c511954bf142fe1995aec3c739a9f1a76990283a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.15