SB2022111436 - Red Hat Enterprise Linux 8 update for openblas
Published: November 14, 2022
Security Bulletin ID
SB2022111436
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2021-4048)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack. A remote attacker can pass specially crafted data to the application, trigger an out-of-bounds read error and crash the affected application.
Remediation
Install update from vendor's website.