7.8

CVE-2022-39189: linux linux_kernel

Modified
AliasesUBUNTU-CVE-2022-39189DEBIAN-CVE-2022-39189
Published 02-09-2022Last modified 05-05-2025

Vulnerability summary

CVE-2022-39189 is a high (CVSS 7.8) vulnerability in linux linux_kernel. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 27.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.34%
0%100%
Low · 0.00 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 26 · Related 19
DLA-3623-1DSA-5480-1RHSA-2023:2148RHSA-2023:2458RHSA-2023:2736RHSA-2023:2951

Timeline

  1. 02-09-2022
    PublishedVulnerability first disclosed.
  2. 05-05-2025
    Last modifiedVulnerability information updated.

Description

An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

28%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.34% 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

No weakness data has been published for this record.

Affected systems

Version check

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

Ubuntu80 products
  • linuxAll versions (No fix recorded) | < 5.15.0-50.56
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1021.25
  • 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< 5.19.6-1
Linux1 product
  • linux_kernel≥ 4.16, < 5.4.244 | ≥ 5.5.0, < 5.10.180 | ≥ 5.11, < 5.15.60 | ≥ 5.16, < 5.18.17
Netapp1 product

4 vendors · 83 products

References

15 links
Show all 15 references