VULNERABILITY INTELLIGENCE

CVE-2023-4135

CVSS score6 MEDIUM
EPSS probability0.37%
CISA KEVNot currently listed
Published2023-08-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Description

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.

Weakness classification

  • secalert@redhat.com: CWE-125
  • nvd@nist.gov: CWE-125

Primary references