CVEvulnerability

CVE-2021-41864

7.8 HIGH Published 2021-10-02 Modified 2026-08-05 Official page ↗
Status
Analyzed
Published
2021-10-02
Last modified
2026-08-05
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-190

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.

Affected configurations

• linux linux kernel (>= 4.6 < 4.9.287) • linux linux kernel (>= 4.10 < 4.14.251) • linux linux kernel (>= 4.15 < 4.19.211) • linux linux kernel (>= 4.20 < 5.4.153) • linux linux kernel (>= 5.5 < 5.10.73) • linux linux kernel (>= 5.11 < 5.14.12) • fedoraproject fedora 33 • fedoraproject fedora 34 • fedoraproject fedora 35 • netapp cloud backup • netapp hci management node • netapp solidfire • netapp h410c firmware • netapp h300s firmware • netapp h500s firmware • netapp h700s firmware • netapp h300e firmware • netapp h500e firmware • netapp h700e firmware • netapp h410s firmware • netapp solidfire baseboard management controller firmware • debian debian linux 9.0 • debian debian linux 10.0

Related

Weakness · CWE (1)

  • CWE-190 Integer Overflow or Wraparound weakness

References