SB2020121306 - Red Hat Enterprise Linux 8 update for kernel
Published: December 13, 2020
Security Bulletin ID
SB2020121306
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Infinite loop (CVE-ID: CVE-2020-25641)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect implementation of biovecs in Linux kernel. A zero-length biovec request issued by the block subsystem could cause the kernel to enter an infinite loop, causing a denial of service. A local user can issue requests to a block device and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.