Out-of-bounds Read Affecting qemu-img package, versions <15:6.2.0-21.module+el8.7.0+20905+f38afd22.2


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ORACLE8-QEMUIMG-3230786
  • published15 Jan 2023
  • disclosed29 Nov 2022

Introduced: 29 Nov 2022

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

How to fix?

Upgrade Oracle:8 qemu-img to version 15:6.2.0-21.module+el8.7.0+20905+f38afd22.2 or higher.
This issue was patched in ELSA-2023-0099.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-img package and not the qemu-img package as distributed by Oracle. See How to fix? for Oracle:8 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