VULNERABILITY INTELLIGENCE

CVE-2021-3506

CVSS score7.1 HIGH
EPSS probability0.37%
CISA KEVNot currently listed
Published2021-04-19
Last modified2026-09-01
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 fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4. A bounds check failure allows a local attacker to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.

Weakness classification

  • secalert@redhat.com: CWE-125
  • nvd@nist.gov: CWE-125

Primary references