CVE-2021-3764

Description

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

Link	Tags
https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680	third party advisory patch
https://security-tracker.debian.org/tracker/CVE-2021-3764	third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1997467	third party advisory issue tracking
https://access.redhat.com/security/cve/CVE-2021-3764	third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-3764?: CVE-2021-3764 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3764?: To fix CVE-2021-3764, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3764 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-3764 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3764?: CVE-2021-3764 affects n/a Linux Kernel.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.

Description

Categories

CWE-400 – Uncontrolled Resource Consumption

CWE-401 – Missing Release of Memory after Effective Lifetime

References

Frequently Asked Questions