SB2023061903 - Privilege escalation in QEMU
Published: June 19, 2023
Security Bulletin ID
SB2023061903
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) Out-of-bounds write (CVE-ID: CVE-2023-0330)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within hw/scsi/lsi53c895a.c in QEMU caused by a DMA-MMIO reentrancy problem. A local privileged user can trigger an out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.