CVE-2021-41864

Published: Oct 1, 2021

Modified: Aug 4, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=30e29a9a2bc6a4888335a6ede968b75cd329657a

x_refsource_MISC

https://github.com/torvalds/linux/commit/30e29a9a2bc6a4888335a6ede968b75cd329657a

x_refsource_MISC

FEDORA-2021-79cbbefebe

vendor-advisory

x_refsource_FEDORA

FEDORA-2021-ffda3d6fa1

vendor-advisory

x_refsource_FEDORA

FEDORA-2021-9dd76a1ed0

vendor-advisory

x_refsource_FEDORA

https://security.netapp.com/advisory/ntap-20211029-0004/

x_refsource_CONFIRM

[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update

mailing-list

x_refsource_MLIST

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.12

x_refsource_CONFIRM

[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update

mailing-list

x_refsource_MLIST

DSA-5096

vendor-advisory

x_refsource_DEBIAN

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CVE-2021-41864

Description

Affected Products

References