Medium severity · published Aug 26, 2022
CVE-2022-0216
A use-after-free vulnerability was found in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU
4.4
CVSS
0.4%
EPSS
No
On KEV
Description
A use-after-free vulnerability was found in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU. The flaw occurs while processing repeated messages to cancel the current SCSI request via the lsi_do_msgout function. This flaw allows a malicious privileged user within the guest to crash the QEMU process on the host, resulting in a denial of service.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
37 · source: NVD
QE
Qemu · Qemu
before 6.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-0216
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-0216
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-0216
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2036953
Patch
https://gitlab.com/qemu-project/qemu/-/commit/4367a20cc4
Exploit
https://gitlab.com/qemu-project/qemu/-/issues/972
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTY7TVHX62OJWF6IOBCIGLR2N5K4QN3E/
Exploit
https://starlabs.sg/advisories/22/22-0216/
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