SB2022031042 - NULL pointer dereference in Linux kernel bpf
Published: March 10, 2022
Security Bulletin ID
SB2022031042
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) NULL pointer dereference (CVE-ID: CVE-2022-0433)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the bloom_map_delete_elem() function in kernel/bpf/bloom_filter.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.