vulnerability
Alma Linux: CVE-2021-4002: Important: kernel security, bug fix, and enhancement update (ALSA-2022-1988)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:N/C:P/I:P/A:N) | Mar 3, 2022 | May 13, 2022 | Apr 17, 2026 |
Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:N)
Published
Mar 3, 2022
Added
May 13, 2022
Modified
Apr 17, 2026
Description
A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget() which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access to some data.
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
Rapid7 Labs
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