A lack of CPU resources in the Linux kernel tracing module functionality was found in the way users use the trace ring buffer in specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | kernel | 2021-09-30 19:25 | ALAS-2021-1539 |
Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-01-20 23:43 | ALAS2KERNEL-5.10-2022-004 |
Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-01-20 19:03 | ALAS2KERNEL-5.4-2022-006 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
NVD | CVSSv2 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
NVD | CVSSv3 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |