SB2023112308 - Red Hat Enterprise Linux 9 update for qemu-kvm
Published: November 23, 2023
Security Bulletin ID
SB2023112308
Severity
High
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2023-2680)
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the USB EHCI controller emulation of QEMU. A remote guest can trigger a use-after-free error and execute arbitrary code on the host OS.Note, the vulnerability exists due to incomplete fix for #VU69353 (CVE-2021-3750).
2) Use-after-free (CVE-ID: CVE-2021-3750)
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the USB EHCI controller emulation of QEMU. A remote guest can trigger a use-after-free error and execute arbitrary code on the host OS.
Remediation
Install update from vendor's website.