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vulnerability

Alma Linux: CVE-2021-41864: Important: kernel security, bug fix, and enhancement update (ALSA-2022-1988)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
Oct 2, 2021
Added
May 13, 2022
Modified
Apr 17, 2026

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.

Solutions

alma-upgrade-bpftoolalma-upgrade-kernelalma-upgrade-kernel-abi-stablelistsalma-upgrade-kernel-corealma-upgrade-kernel-cross-headersalma-upgrade-kernel-debugalma-upgrade-kernel-debug-corealma-upgrade-kernel-debug-develalma-upgrade-kernel-debug-modulesalma-upgrade-kernel-debug-modules-extraalma-upgrade-kernel-develalma-upgrade-kernel-docalma-upgrade-kernel-headersalma-upgrade-kernel-modulesalma-upgrade-kernel-modules-extraalma-upgrade-kernel-toolsalma-upgrade-kernel-tools-libsalma-upgrade-kernel-tools-libs-develalma-upgrade-perfalma-upgrade-python3-perf
Title
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