CVE-2022-4338

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.38% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 71.9% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-01-10 00:00Z3 YR AGO

Last updated

2024-08-03 01:34Z2 YR AGO

Reserved

2022-12-07

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-191Integer Underflow (Wrap or Wraparound)Base

Data version

5.1

Document digest

fc9d383c0c84cbb0407172c8f4bae3b39da0ed32c6f5a3e42ce6f389454e9187

• www.openwall.comhttps://www.openwall.com/lists/oss-security/2022/12/21/4
• mail.openvswitch.orghttps://mail.openvswitch.org/pipermail/ovs-dev/2022-December/400596.html
• github.comhttps://github.com/openvswitch/ovs/pull/405
• www.debian.orgDSA-5319https://www.debian.org/security/2023/dsa-5319vendor-advisory
• security.gentoo.orgGLSA-202311-16https://security.gentoo.org/glsa/202311-16vendor-advisory