Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2022-0216 |
CWE-ID | CWE-416 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
QEMU Client/Desktop applications / Virtualization software |
Vendor |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU68551
Risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-0216
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU when processing repeated messages to cancel the current SCSI request via the lsi_do_msgout() function. A remote user on the guest OS can trigger a use-after-free error and perform a denial of service attack against the QEMU host.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsQEMU: before 6.0.0
External linkshttp://gitlab.com/qemu-project/qemu/-/commit/4367a20cc4
http://access.redhat.com/security/cve/CVE-2022-0216
http://starlabs.sg/advisories/22/22-0216/
http://gitlab.com/qemu-project/qemu/-/issues/972
http://bugzilla.redhat.com/show_bug.cgi?id=2036953
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.