VULNERABILITY INTELLIGENCE

CVE-2022-27666

CVSS score7.8 HIGH
EPSS probability5.52%
CISA KEVNot currently listed
Published2022-03-23
Last modified2026-09-01
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references