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CVE-2021-38198: linux kernel before 5.12.11 (exclusive); +2 more affected products
CVE-2021-38198. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.0045 (percentile 0.3711), scored 2026-10-08.
Affected technology
linux kernel · before 5.12.11 (exclusive)
linux
debian linux · 9.0
debian
n/a · n/a
Vendor not specified by the source
Description’s affected range: before 5.12.11 incorrectly computes the access permissions of a shadow page
Component: Not specified by the source
Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
NVD’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 22.1 /100 (P4)
- CVSS 3.1
- 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
- EPSS
- 0.0045 · percentile 0.3711 · 2026-10-08
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-09 03:17:07.463462+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-09 03:13:32.966430+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2021-38198.html