4.7

CVE-2022-39188: debian debian_linux

Modified
AliasesSUSE-SU-2022:3346-1SUSE-SU-2022:3362-1SUSE-SU-2022:3372-1
Published 02-09-2022Last modified 14-10-2026

Vulnerability summary

CVE-2022-39188 is a medium (CVSS 4.7) vulnerability in debian debian_linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.7/10
010
Medium · v3.1 (NVD)
EPSS score
0.25%
0%100%
Low · +0.02 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 59 · Related 49

Timeline

  1. 02-09-2022
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap), a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

Increase +0.02 pp

From 0.22% 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.

Ubuntu80 products
  • linux< 5.4.0-136.153 | < 5.15.0-57.63
  • linux-aws< 5.4.0-1093.101 | < 5.15.0-1027.31
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
Suse9 products
  • kernel-livepatch-SLE15_Update_30&distro=SUSE Linux Enterprise Live Patching 15< 5-150000.2.2
  • kernel-livepatch-SLE15_Update_31&distro=SUSE Linux Enterprise Live Patching 15< 3-150000.2.2
  • kernel-livepatch-SLE15_Update_32&distro=SUSE Linux Enterprise Live Patching 15< 3-150000.2.2
  • kernel-livepatch-SLE15-SP4_Update_2&distro=SUSE Linux Enterprise Live Patching 15 SP4< 3-150400.2.2
  • kgraft-patch-SLE12-SP4_Update_27&distro=SUSE Linux Enterprise Live Patching 12 SP4< 5-2.2
Debian2 products
Linux1 product

4 vendors · 92 products

References

36 links
Show all 36 references