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Vulnerability Intelligence

CVE-2021-3764 | Mondoo Vulnerability Intelligence

CVE-2021-3764

MEDIUM5.5

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

Published Aug 23, 2022

Modified 1 years ago

No fix available

Details

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

WEBhttps://access.redhat.com/security/cve/CVE-2021-3764 WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=1997467 WEBhttps://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680 WEBhttps://security-tracker.debian.org/tracker/CVE-2021-3764 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2021-3764

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

5.5/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

Resource Management

Resource Exhaustion

Ecosystems

Timeline

PublishedAug 23, 2022

ModifiedAug 3, 2024