SB2020042946 - Fedora 31 update for kernel
Published: April 29, 2020 Updated: April 25, 2025
Security Bulletin ID
SB2020042946
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-2020-11884)
The vulnerability allows a local authenticated user to execute arbitrary code.
In the Linux kernel through 5.6.7 on the s390 platform, code execution may occur because of a race condition, as demonstrated by code in enable_sacf_uaccess in arch/s390/lib/uaccess.c that fails to protect against a concurrent page table upgrade, aka CID-3f777e19d171. A crash could also occur.
Remediation
Install update from vendor's website.