SB2022062826 - Out-of-bounds read in Linux kernel



SB2022062826 - Out-of-bounds read in Linux kernel

Published: June 28, 2022

Security Bulletin ID SB2022062826
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2021-0941)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists in __bpf_skb_max_len() function in net/core/filter.c in the Linux kernel. A local user with special privilege can gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information.


Remediation

Install update from vendor's website.