7.8

CVE-2022-4139: linux linux_kernel Improper Preservation of Permissions

Modified
AliasesRHSA-2023:0441UBUNTU-CVE-2022-4139USN-6089-1
Published 27-01-2023Last modified 14-10-2026

Vulnerability summary

CVE-2022-4139 is a high (CVSS 7.8) Improper Preservation of Permissions vulnerability in linux linux_kernel. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.7% 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
0.26%
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 57 · Related 40

Timeline

  1. 27-01-2023
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

An incorrect TLB flush issue was found in the Linux kernel’s GPU i915 kernel driver, potentially leading to random memory corruption or data leaks. This flaw could allow a local user to crash the system or escalate their privileges on the system.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

Increase +0.01 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

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.

Ubuntu84 products
  • linux< 5.4.0-144.161 | < 5.15.0-67.74
  • linux-aws< 5.4.0-1097.105 | < 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)
Redhat21 products
  • kpatch-patch-4_18_0-372_13_1< 0:1-4.el8_6
  • kpatch-patch-4_18_0-372_13_1-debuginfo< 0:1-4.el8_6
  • kpatch-patch-4_18_0-372_13_1-debugsource< 0:1-4.el8_6
  • kpatch-patch-4_18_0-372_16_1< 0:1-4.el8_6
  • kpatch-patch-4_18_0-372_16_1-debuginfo< 0:1-4.el8_6
Debian1 product
  • linux< 6.0.10-2
Linux1 product
  • linux_kernel≥ 5.4, < 5.4.226 | ≥ 5.5, < 5.10.157 | ≥ 5.11, < 5.15.81 | ≥ 5.16, < 6.0.11 | 6.1 | 6.1:rc1 | 6.1:rc2 | 6.1:rc3 | 6.1:rc4 | 6.1:rc5 | 6.1:rc6

4 vendors · 107 products

References

30 links
Show all 30 references