SB2023053073 - Fedora EPEL 7 update for qemu
Published: May 30, 2023
Security Bulletin ID
SB2023053073
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) Heap-based buffer overflow (CVE-ID: CVE-2015-7504)
The vulnerability allows a malicious guest to escalate privileges on the system.
The vulnerability exists due to a boundary error in the pcnet_receive() function in hw/net/pcnet.c in QEMU. A malicious guest can use a series of packets in loopback mode to trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.