VULNERABILITY INTELLIGENCE

CVE-2021-4204

CVSS score7.1 HIGH
EPSS probability1.24%
CISA KEVNot currently listed
Published2022-08-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Description

An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information.

Weakness classification

  • secalert@redhat.com: CWE-20
  • nvd@nist.gov: CWE-119

Primary references