SB2024040237 - Privilege escalation in Linux kernel bpf

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Main Vulnerability Database SB2024040237

SB2024040237 - Privilege escalation in Linux kernel bpf

Published: April 2, 2024

Security Bulletin ID SB2024040237
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-2021-33200)

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

The vulnerability exists due to a boundary error in kernel/bpf/verifier.c. A local user can trigger an out-of-bounds write and escalate privileges on the system.


Remediation

Install update from vendor's website.

References