#VU93261 NULL pointer dereference in Linux kernel - CVE-2023-52767
Published: June 25, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93261
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-2023-52767
CWE-ID: CWE-476
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 NULL pointer dereference within the tls_sw_splice_eof() function in net/tls/tls_sw.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/944900fe2736c07288efe2d9394db4d3ca23f2c9
- https://git.kernel.org/stable/c/2214e2bb5489145aba944874d0ee1652a0a63dc8
- https://git.kernel.org/stable/c/53f2cb491b500897a619ff6abd72f565933760f0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7