Memory Leak Affecting kernel-tools package, versions <0:4.18.0-372.9.1.el8
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Test your applications- Snyk ID SNYK-ROCKY8-KERNELTOOLS-3192912
- published 5 Jan 2023
- disclosed 23 Aug 2022
Introduced: 23 Aug 2022
CVE-2021-3764 Open this link in a new tabHow to fix?
Upgrade Rocky-Linux:8 kernel-tools to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RLSA-2022:1988.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by Rocky-Linux.
See How to fix? for Rocky-Linux:8 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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3764
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3764.json
- https://access.redhat.com/security/cve/CVE-2021-3764
- 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