CVE-2021-20317

CVE Details

Release Date:2021-09-27

Description


A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the timerqueue_add function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial of service, slowing and eventually stopping the system while running OSP.

See more information about CVE-2021-20317 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 4.4 Base Metrics: AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Access Vector: Local network Attack Complexity: Low
Privileges Required: High User Interaction: None
Scope: Unchanged Confidentiality Impact: None
Integrity Impact: None Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (kernel-uek)ELSA-2022-93132022-04-25
Oracle Linux version 7 (kernel-uek-container)ELSA-2022-93142022-04-25
Oracle Linux version 8 (kernel)ELSA-2021-46472021-11-18



This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team

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