Out-of-bounds Read Affecting qemu package, versions <1:8.0.4+dfsg-1ubuntu3.23.10.2


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.38% (74th percentile)

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  • Snyk IDSNYK-UBUNTU2310-QEMU-5972436
  • published9 Aug 2023
  • disclosed4 Aug 2023

Introduced: 4 Aug 2023

CVE-2023-4135  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Ubuntu:23.10 qemu to version 1:8.0.4+dfsg-1ubuntu3.23.10.2 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:23.10 relevant fixed versions and status.

A heap out-of-bounds memory read flaw was found in the virtual nvme device in QEMU. The QEMU process does not validate an offset provided by the guest before computing a host heap pointer, which is used for copying data back to the guest. Arbitrary heap memory relative to an allocated buffer can be disclosed.

CVSS Base Scores

version 3.1