5.5

CVE-2022-45869: linux linux_kernel

Modified
AliasesUBUNTU-CVE-2022-45869DEBIAN-CVE-2022-45869
Published 30-11-2022Last modified 24-04-2025

Vulnerability summary

CVE-2022-45869 is a medium (CVSS 5.5) vulnerability in linux linux_kernel. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.8% of scored vulnerabilities. 1 public exploit is recorded.

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
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 17 · Related 9
MGASA-2022-0477MGASA-2022-0478RHSA-2023:4377RHSA-2023:4378RHSA-2023:6901RHSA-2023:7077

Timeline

  1. 30-11-2022
    PublishedVulnerability first disclosed.
  2. 24-04-2025
    Last modifiedVulnerability information updated.

Description

A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the TDP MMU are enabled.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.25% 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

1 found
  • referenceUnverified

    Exploit Reference (git.kernel.org)

    Maturity: unknown

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.

Ubuntu76 products
  • linux< 5.15.0-67.74
  • linux-aws< 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
  • linux_kernel< 6.1 | 6.1:rc1 | 6.1:rc2 | 6.1:rc3 | 6.1:rc4 | 6.1:rc5 | 6.1:rc6

3 vendors · 78 products

References

14 links
Show all 14 references