Vulnerabilities > CVE-2021-3764 - Memory Leak vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://access.redhat.com/security/cve/CVE-2021-3764
- https://access.redhat.com/security/cve/CVE-2021-3764
- https://bugzilla.redhat.com/show_bug.cgi?id=1997467
- https://bugzilla.redhat.com/show_bug.cgi?id=1997467
- https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680
- https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680
- https://security-tracker.debian.org/tracker/CVE-2021-3764
- https://security-tracker.debian.org/tracker/CVE-2021-3764