#VU90422 NULL pointer dereference in Linux kernel - CVE-2023-52877
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90422
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-2023-52877
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 tcpm_pd_svdm() function in drivers/usb/typec/tcpm/tcpm.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/e5f53a68a596e04df3fde3099273435a30b6fdac
- https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fc
- https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08
- https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822b
- https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.138
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.62
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7