SB2023071184 - Race condition in Linux kernel



SB2023071184 - Race condition in Linux kernel

Published: July 11, 2023

Security Bulletin ID SB2023071184
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local 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-2023-3108)

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

A flaw was found in the subsequent get_user_pages_fast in the Linux kernel's interface for symmetric key cipher algorithms in the skcipher_recvmsg of crypto/algif_skcipher.c function. This flaw allows a local user to crash the system.


Remediation

Install update from vendor's website.