5.5

CVE-2022-3344: linux linux_kernel Expected Behavior Violation

Modified
AliasesUBUNTU-CVE-2022-3344DEBIAN-CVE-2022-3344
Published 24-10-2022Last modified 07-05-2025

Vulnerability summary

CVE-2022-3344 is a medium (CVSS 5.5) Expected Behavior Violation vulnerability in linux linux_kernel. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 14.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.23%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 11 · Related 9
MGASA-2022-0477MGASA-2022-0478SUSE-SU-2023:0146-1SUSE-SU-2023:0147-1SUSE-SU-2023:0149-1USN-5911-1

Timeline

  1. 24-10-2022
    PublishedVulnerability first disclosed.
  2. 07-05-2025
    Last modifiedVulnerability information updated.

Description

A flaw was found in the KVM's AMD nested virtualization (SVM). A malicious L1 guest could purposely fail to intercept the shutdown of a cooperative nested guest (L2), possibly leading to a page fault and kernel panic in the host (L0).

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.23% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu88 products
  • linuxAll versions (No fix recorded) | < 5.15.0-67.74
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1031.35
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
Debian1 product
  • linux< 6.0.12-1
Linux1 product

3 vendors · 90 products

References

15 links
Show all 15 references