Buffer Overflow Affecting qemu package, versions <1:7.0+dfsg-7ubuntu2.6


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.39% (33rd percentile)

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  • Snyk IDSNYK-UBUNTU2210-QEMU-3152351
  • published1 Dec 2022
  • disclosed29 Nov 2022

Introduced: 29 Nov 2022

CVE-2022-4172  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade Ubuntu:22.10 qemu to version 1:7.0+dfsg-7ubuntu2.6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu. See How to fix? for Ubuntu:22.10 relevant fixed versions and status.

An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the read_erst_record() and write_erst_record() functions. Both issues may allow the guest to overrun the host buffer allocated for the ERST memory device. A malicious guest could use these flaws to crash the QEMU process on the host.

CVSS Base Scores

version 3.1