CVE-2023-4135
6.5
MEDIUM
CVSS 3.1
EPSS 0.03%
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.
How to fix CVE-2023-4135
To remediate CVE-2023-4135, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:8.0.4+dfsg-2 or later
Is CVE-2023-4135 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:8.0.4+dfsg-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |