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Status published
High
CVE-2021-41864
prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=30e29a9a2bc6a4888335a6ede968b75cd329657a
- https://github.com/torvalds/linux/commit/30e29a9a2bc6a4888335a6ede968b75cd329657a
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/
- https://security.netapp.com/advisory/ntap-20211029-0004/
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.12
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://www.debian.org/security/2022/dsa-5096
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Affected Vendor
linux
View all reports →Affected Software
linux kernel, fedora, cloud backup, hci management node, solidfire, h410c firmware, h300s firmware, h500s firmware, h700s firmware, h300e firmware, h500e firmware, h700e firmware, h410s firmware, solidfire baseboard management controller firmware, debian linux
Vulnerable Versions:
0, 33, 34, 35, 9.0, 10.0
Timeline
Official Publish:
October 1st, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.