VULNERABILITY INTELLIGENCE

CVE-2018-14619

CVSS score7.8 HIGH
EPSS probability0.43%
CISA KEVNot currently listed
Published2018-08-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

A flaw was found in the crypto subsystem of the Linux kernel before version kernel-4.15-rc4. The "null skcipher" was being dropped when each af_alg_ctx was freed instead of when the aead_tfm was freed. This can cause the null skcipher to be freed while it is still in use leading to a local user being able to crash the system or possibly escalate privileges.

Weakness classification

  • CWE-20: Improper Input Validation
  • CWE-416: Use After Free

Primary references