vulnerability
Oracle Linux: CVE-2021-4157: ELSA-2022-1988: kernel security, bug fix, and enhancement update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:A/AC:M/Au:S/C:C/I:C/A:C) | May 17, 2021 | May 4, 2022 | Jul 21, 2025 |
Severity
7
CVSS
(AV:A/AC:M/Au:S/C:C/I:C/A:C)
Published
May 17, 2021
Added
May 4, 2022
Modified
Jul 21, 2025
Description
An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system.
Solutions
oracle-linux-upgrade-kerneloracle-linux-upgrade-kernel-uek
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