vulnerability
Amazon Linux AMI: CVE-2021-3679: Security patch for kernel (ALAS-2021-1539)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:N/I:N/A:P) | Aug 5, 2021 | Oct 5, 2021 | Oct 14, 2022 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
Aug 5, 2021
Added
Oct 5, 2021
Modified
Oct 14, 2022
Description
A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.
Solution
amazon-linux-upgrade-kernel
References
Rapid7 Labs
2026 Global Threat Landscape Report
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