USN-6167-1: QEMU vulnerabilities

Severity

Medium

Vendor

VMware Tanzu

Versions Affected

Canonical Ubuntu 16.04
Canonical Ubuntu 22.04

Description

It was discovered that QEMU did not properly manage the guest drivers when shared buffers are not allocated. A malicious guest driver 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 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2022-1050) It was discovered that QEMU did not properly check the size of the structure pointed to by the guest physical address pqxl. A malicious guest attacker could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2022-4144) It was discovered that QEMU did not properly manage memory in the ACPI Error Record Serialization Table (ERST) device. A malicious guest attacker could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 22.10. (CVE-2022-4172) It was discovered that QEMU did not properly manage memory when DMA memory writes happen repeatedly in the lsi53c895a device. A malicious guest attacker could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2023-0330) Update Instructions: Run `sudo pro fix USN-6167-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: qemu-system-common - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-user-static - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-s390x - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-utils - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-block-extra - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-kvm - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-user - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-guest-agent - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-misc - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-aarch64 - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-user-binfmt - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-x86 - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-sparc - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-arm - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-ppc - 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-mips - 1:2.5+dfsg-5ubuntu10.51+esm2 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

CVEs contained in this USN include: CVE-2022-1050, CVE-2022-4144, CVE-2022-4172, CVE-2023-0330

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

Operations Manager
- 2.10.x versions prior to 2.10.59
- 3.0.x versions prior to 3.0.11+LTS-T

Mitigation

Users of affected products are strongly encouraged to follow the mitigation below. On the Tanzu Network product page for each release, check the Depends On section and/or Release Notes for this information. Releases that have fixed this issue include:

Operations Manager
- 2.10.59
- 3.0.11+LTS-T

References

History

2023-06-29: Initial vulnerability report published.