SB2023030154 - Privilege escalation in Linux kernel net/tls stack
Published: March 1, 2023
Security Bulletin ID
SB2023030154
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) Type Confusion (CVE-ID: CVE-2023-1075)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a type confusion error within the tls_is_tx_ready() function in the net/tls stack of the Linux Kernel. A local user can trigger a type confusion error and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.