CVE-2022-4139: linux linux_kernel Improper Preservation of Permissions
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.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 57 · Related 40Timeline
- 27-01-2023PublishedVulnerability first disclosed.
- 14-10-2026Last 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- OSV · Red hatEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-281Improper Preservation of PermissionsThe product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended.
- CWE-401Missing Release of Memory after Effective LifetimeThe product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected systems
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- security.netapp.com/advisory/ntap-20230309-0004/Third Party Advisory