CVE-2022-42329

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 11.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2022-12-07 00:00Z3 YR AGO

Last updated

2025-04-23 14:24Z1 YR AGO

Reserved

2022-10-03

Assigning CNA

XEN

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-667Improper LockingClass
• CWE-833DeadlockBase

Data version

5.1

Document digest

24555a06758d68fdc749bb6fbeacbb0deb05c36721543def75dc79e5a9685ff5

• xenbits.xenproject.orghttps://xenbits.xenproject.org/xsa/advisory-424.txt
• www.openwall.com[oss-security] 20221208 Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) - Guests can trigger deadlock in Linux netback driverhttp://www.openwall.com/lists/oss-security/2022/12/08/3mailing-list
• www.openwall.com[oss-security] 20221208 Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) - Guests can trigger deadlock in Linux netback driverhttp://www.openwall.com/lists/oss-security/2022/12/08/2mailing-list
• www.openwall.com[oss-security] 20221209 Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) - Guests can trigger deadlock in Linux netback driverhttp://www.openwall.com/lists/oss-security/2022/12/09/2mailing-list
• lists.debian.org[debian-lts-announce] 20221222 [SECURITY] [DLA 3244-1] linux-5.10 security updatehttps://lists.debian.org/debian-lts-announce/2022/12/msg00031.htmlmailing-list
• lists.debian.org[debian-lts-announce] 20221223 [SECURITY] [DLA 3245-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2022/12/msg00034.htmlmailing-list