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CVE-2021-20320: linux kernel 5.15; +3 more affected products
CVE-2021-20320. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.0026 (percentile 0.16289), scored 2026-10-08.
Affected technology
linux kernel · before 5.15 (exclusive)
linux
linux kernel · 5.15
linux
linux kernel · 5.15 · update rc1
linux
linux kernel · 5.15 · update rc2
linux
fedora · 34
fedoraproject
enterprise linux · 7.0
redhat
enterprise linux · 8.0
redhat
kernel · kernel 5.15 rc3
Vendor not specified by the source
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
A local attacker with special user privilege can circumvent the verifier and may lead to a confidentiality problem. NVD’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality impact as high; integrity and availability impact as none.
- CWE
- CWE-200
- 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:H/I:N/A:N · NVD
- EPSS
- 0.0026 · percentile 0.16289 · 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-2021-20320.html