CVE-2021-38166

HighCVSS 7.8/10Last modified Oct 8, 2026

Description

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Aug 7, 2021
Last modified
Oct 8, 2026
NVD status
Analyzed

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CVE-2021-38166: High severity, CVSS 7.8 | Vulnix