SB2022052811 - openEuler update for qemu
Published: May 28, 2022
Security Bulletin ID
SB2022052811
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2021-3750)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.