SB20240531331 - NULL pointer dereference in Linux kernel typec tcpm driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531331
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2023-52877)
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.
References
- 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