Out-of-bounds Write Affecting qemu-x86 package, versions <6.2.0-150400.37.23.1


Severity

Recommended
0.0
low
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.06% (26th percentile)

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  • Snyk IDSNYK-SLES154-QEMUX86-5962723
  • published13 Oct 2023
  • disclosed12 Oct 2023

Introduced: 12 Oct 2023

CVE-2021-3638  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 qemu-x86 to version 6.2.0-150400.37.23.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-x86 package and not the qemu-x86 package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

CVSS Scores

version 3.1