CVE-2021-3764

MEDIUM
5.5
CVSS Score
Published: August 23, 2022 at 03:52 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
2 products affected across 2 vendorsLinux KernelKernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
Vendor states this is fixed in 5.15-rc4 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400CWE-401

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