Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.14.20 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2021-3764Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1997467Issue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae68PatchThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-3764Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3764Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1997467Issue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae68PatchThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-3764Third Party Advisory
FAQ
What is CVE-2021-3764?
CVE-2021-3764 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 hi...
How severe is CVE-2021-3764?
CVE-2021-3764 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3764?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.