VULNERABILITY INTELLIGENCE

CVE-2021-41864

CVSS score7.8 HIGH
EPSS probability0.41%
CISA KEVNot currently listed
Published2021-10-02
Last modified2026-08-05
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.

Weakness classification

  • nvd@nist.gov: CWE-190

Primary references