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CVE-2021-4135: linux kernel 5.16; +1 more affected products
CVE-2021-4135. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00231 (percentile 0.12849), scored 2026-10-08.
Affected technology
linux kernel · before 5.16 (exclusive)
linux
linux kernel · 5.16
linux
linux kernel · 5.16 · update rc1
linux
linux kernel · 5.16 · update rc2
linux
linux kernel · 5.16 · update rc3
linux
linux kernel · 5.16 · update rc4
linux
linux kernel · 5.16 · update rc5
linux
kernel · Linux kernel versions prior to 5.16-rc6
Vendor not specified by the source
Component: Not specified by the source
Function: nsim_map_alloc_elem
Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
A local user could use this flaw to get unauthorized access to some data. 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, CWE-401
- 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
- 0.00231 · percentile 0.12849 · 2026-10-08
- KEV
- no
Provenance
- 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-2021-4135.html