vulnerability
Oracle Linux: CVE-2021-4002: ELSA-2022-1988: kernel security, bug fix, and enhancement update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:N/C:P/I:P/A:N) | Nov 25, 2021 | Apr 26, 2022 | Jul 21, 2025 |
Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:N)
Published
Nov 25, 2021
Added
Apr 26, 2022
Modified
Jul 21, 2025
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
oracle-linux-upgrade-kerneloracle-linux-upgrade-kernel-uek
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