SB2022071121 - Privilege escalation in BIG-IQ Centralized Management (Linux kernel component)
Published: July 11, 2022 Updated: February 8, 2024
Security Bulletin ID
SB2022071121
Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2021-22555)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when processing untrusted input in net/netfilter/x_tables.c in Linux kernel. A local user can run a specially crafted program to trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.