Buffer Overflow Affecting qemu-ksm package, versions <6.2.0-150400.37.5.3


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-SLES154-QEMUKSM-2940919
  • published5 Jul 2022
  • disclosed4 Jul 2022

Introduced: 4 Jul 2022

CVE-2021-4206  (opens in a new tab)
CWE-120  (opens in a new tab)
CWE-131  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 qemu-ksm to version 6.2.0-150400.37.5.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-ksm package and not the qemu-ksm package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.

CVSS Scores

version 3.1