SB2022120172 - Fedora 36 update for snapd
Published: December 1, 2022
Security Bulletin ID
SB2022120172
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) Race condition (CVE-ID: CVE-2022-3328)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the must_mkdir_and_open_with_perms() function in the
snapd snap-confine binary when preparing the private /tmp mount for a
snap. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
Note, the vulnerability is caused by an insufficient fix for #VU60743 (CVE-2021-44731).
Remediation
Install update from vendor's website.