CVE-2021-41864

HIGH

Linux Kernel < 5.14.12 - Integer Overflow to Out-of-Bounds Write in eBPF Stackmap

Title source: llm
STIX 2.1

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.

References (10)

Core 10
Core References
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20211029-0004/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
Mailing List, Patch, Vendor Advisory x_refsource_confirm
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.12
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2022/dsa-5096

Scores

CVSS v3 7.8
EPSS 0.0002
EPSS Percentile 6.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (18)
debian/debian_linux 9.0
debian/debian_linux 10.0
fedoraproject/fedora 33
fedoraproject/fedora 34
fedoraproject/fedora 35
linux/linux_kernel < 5.14.12
netapp/cloud_backup
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410c_firmware
... and 8 more
Published Oct 02, 2021
Tracked Since Feb 18, 2026