SB2022071410 - Privilege escalation in Linux kernel eBPF

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Main Vulnerability Database SB2022071410

SB2022071410 - Privilege escalation in Linux kernel eBPF

Published: July 14, 2022

Security Bulletin ID SB2022071410
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 write (CVE-ID: CVE-2022-0500)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in unrestricted eBPF usage by the BPF_BTF_LOAD in Linux kernel. A local user can trigger an out-of-bounds write error in BPF subsystem and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References