SB2022101503 - Denial of service in Linux kernel PCMCIA

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Main Vulnerability Database SB2022101503

SB2022101503 - Denial of service in Linux kernel PCMCIA

Published: October 15, 2022 Updated: May 21, 2025

Security Bulletin ID SB2022101503
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Race condition (CVE-ID: CVE-2022-41848)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition in the drivers/char/pcmcia/synclink_cs.c in the Linux kernel. An attacker with physical proximity to the affected system can remove a PCMCIA device while calling ioctl, cause a race condition between mgslpc_ioctl and mgslpc_detach and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References