Out-of-bounds Read Affecting qemu-x86 package, versions <6.2.0-150400.37.11.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-SLES154-QEMUX86-3357913
  • published9 Mar 2023
  • disclosed8 Mar 2023

Introduced: 8 Mar 2023

CVE-2022-4144  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 qemu-x86 to version 6.2.0-150400.37.11.1 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 read flaw was found in the QXL display device emulation in QEMU. The qxl_phys2virt() function does not check the size of the structure pointed to by the guest physical address, potentially reading past the end of the bar space into adjacent pages. A malicious guest user could use this flaw to crash the QEMU process on the host causing a denial of service condition.

CVSS Scores

version 3.1