SB2022103013 - Privilege escalation in Linux kernel PCMCIA support
Published: October 30, 2022 Updated: November 22, 2023
Security Bulletin ID
SB2022103013
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-44034)
The vulnerability allows an attacker to execute arbitrary code.The vulnerability exists due to a use-after-free error within the drivers/char/pcmcia/scr24x_cs.c caused by a race between scr24x_open() and scr24x_remove(). An attacker with physical access to device can trigger a use-after-free error and execute arbitrary code.
Remediation
Install update from vendor's website.