SB2025050447 - NULL pointer dereference in Linux kernel typec ucsi driver
Published: May 4, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050447
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-2023-53049)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ucsi_init() function in drivers/usb/typec/ucsi/ucsi.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/1c5abcb13491da8c049f20462189c12c753ba978
- https://git.kernel.org/stable/c/7dd27aed9c456670b3882877ef17a48195f21693
- https://git.kernel.org/stable/c/7ef0423e43f877a328454059d46763043ce3da44
- https://git.kernel.org/stable/c/a6adfe9bbd6ac11e398b54ccd99a0f8eea09f3c0
- https://git.kernel.org/stable/c/f87fb985452ab2083967103ac00bfd68fb182764
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.177
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.105
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3