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CVE-2022-0216

Date: August 25, 2022

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.

Severity Score

Related Resources (11)

https://starlabs.sg/advisories/22/22-0216/
https://gitlab.com/qemu-project/qemu/-/issues/972
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-0216
https://gitlab.com/qemu-project/qemu/-/commit/4367a20cc4
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTY7TVHX62OJWF6IOBCIGLR2N5K4QN3E/
https://nvd.nist.gov/vuln/detail/CVE-2022-0216
https://security-tracker.debian.org/tracker/CVE-2022-0216
https://access.redhat.com/security/cve/CVE-2022-0216
https://bugzilla.redhat.com/show_bug.cgi?id=2036953
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTY7TVHX62OJWF6IOBCIGLR2N5K4QN3E/
https://www.mend.io/vulnerability-database/CVE-2022-0216

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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