SB2022111546 - Red Hat Enterprise Linux 9 update for swtpm
Published: November 15, 2022 Updated: December 2, 2022
Security Bulletin ID
SB2022111546
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-2022-23645)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when the byte array representing the state of the TPM is accessed. A remote attacker can send a specially crafted header, trigger out-of-bounds read error and cause a denial of service condition on the system.
Remediation
Install update from vendor's website.