VULNERABILITY INTELLIGENCE

CVE-2021-4135

CVSS score5.5 MEDIUM
EPSS probability0.23%
CISA KEVNot currently listed
Published2022-07-14
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.

Weakness classification

  • secalert@redhat.com: CWE-200
  • nvd@nist.gov: CWE-401

Primary references