CVE-2021-3764
Advisory lineage Upstream: 0 Downstream: 32
Modified
Published: 23 Aug 2022, 15:52
Last modified:03 Aug 2024, 17:09
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
23 Aug 2022, 15:52
Published
Vulnerability first disclosed
03 Aug 2024, 17:09
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.02%• Percentile: 5%
Techniques & Countermeasures
- CWE-401•Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
- CWE-400•Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource.
Affected Systems
- linux•linux_kernel
≤ 5.14.20 | 5.15 | 5.15:rc1 | 5.15:rc2 | 5.15:rc3