VULNERABILITY INTELLIGENCE

CVE-2020-7462

CVSS score5.5 MEDIUM
EPSS probability0.23%
CISA KEVNot currently listed
Published2021-03-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

In 11.4-PRERELEASE before r360733 and 11.3-RELEASE before p13, improper mbuf handling in the kernel causes a use-after-free bug by sending IPv6 Hop-by-Hop options over the loopback interface. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.

Weakness classification

  • nvd@nist.gov: CWE-416

Primary references