Memory Leak Affecting kernel-rt package, versions *
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELRT-2027758
- published 12 Sep 2021
- disclosed 20 Aug 2021
Introduced: 20 Aug 2021
CVE-2021-3764 Open this link in a new tabHow to fix?
There is no fixed version for Centos:7 kernel-rt.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt package and not the kernel-rt package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability.
References
- https://access.redhat.com/security/cve/CVE-2021-3764
- https://access.redhat.com/errata/RHSA-2022:1975
- https://access.redhat.com/errata/RHSA-2022:1988
- https://bugzilla.redhat.com/show_bug.cgi?id=1997467
- https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680
- https://security-tracker.debian.org/tracker/CVE-2021-3764
CVSS Scores
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