SB2022082447 - Denial of service in Linux kernel eBPF
Published: August 24, 2022 Updated: February 27, 2024
Security Bulletin ID
SB2022082447
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2021-4204)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a boundary condition in Linux kernel eBPF. A local user trigger an out-of-bounds read error and read contents of memory on the system or crash the kernel.
Remediation
Install update from vendor's website.