CVE-2020-7462

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 26, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

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CVE-2020-7462: Medium severity, CVSS 5.5 | Vulnix