SB2020111743 - Fedora 33 update for slurm
Published: November 17, 2020 Updated: April 25, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2020-27745)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in the PMIx MPI plugin. A local user can run a specially crafted program to trigger buffer overflow in RPC implementation and execute arbitrary code on the system with elevated privileges.
2) Race condition (CVE-ID: CVE-2020-27746)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a race condition in the xauth for X11 magic cookies when reading data on the /proc filesystem. A local user can exploit the race and gain unauthorized access to sensitive information.
Remediation
Install update from vendor's website.