SB2022081633 - Improper access restrictions in Linux kernel shared memory
Published: August 16, 2022 Updated: August 2, 2024
Security Bulletin ID
SB2022081633
Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2022-2590)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper access restrictions to shared memory (shmem / tmpfs). A local user can write to arbitrary files without having write permissions.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.