vulnerability
CentOS Linux: CVE-2021-4002: Important: kernel-rt security and bug fix update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:N/C:P/I:P/A:N) | Mar 3, 2022 | May 13, 2022 | May 25, 2023 |
Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:N)
Published
Mar 3, 2022
Added
May 13, 2022
Modified
May 25, 2023
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
centos-upgrade-kernelcentos-upgrade-kernel-rt
References
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