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CVE-2022-0216

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-5772-1
Posted Dec 12, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5772-1 - It was discovered that QEMU incorrectly handled bulk transfers from SPICE clients. A remote attacker could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. It was discovered that QEMU did not properly manage memory when it transfers the USB packets. A malicious guest attacker could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2021-3682, CVE-2021-3750, CVE-2021-3930, CVE-2022-0216, CVE-2022-2962, CVE-2022-3165
SHA-256 | 768024681dfd9068a64b260049ff17b38a9319596abe4a29fe8b4d7a96a0987a
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