CVE-2023-4135

medium

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.

References

https://www.zerodayinitiative.com/advisories/ZDI-CAN-21521

https://security.netapp.com/advisory/ntap-20230915-0012/

https://bugzilla.redhat.com/show_bug.cgi?id=2229101

https://access.redhat.com/security/cve/CVE-2023-4135

Details

Source: Mitre, NVD

Published: 2023-08-04

Updated: 2023-12-11

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Severity: Medium