SB2022111656 - Red Hat Enterprise Linux 8 update for python
Published: November 16, 2022
Security Bulletin ID
SB2022111656
Severity
Low
Patch available
YES
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) Deserialization of Untrusted Data (CVE-ID: CVE-2022-42919)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to Python multiprocessing library, when used with the forkserver start method on Linux allows pickles to be deserialized from any user in the same machine local network namespace, which in many system configurations means any user on the same machine.A local user can execute arbitrary code with privileges of the user running the any forkserver process.
Remediation
Install update from vendor's website.