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.

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OPENSUSE-SU-2021:1142-1 Security update for the Linux Kernel

The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-3679: A lack of CPU resource in the Linux kernel tracing module functionality was found in the way user uses trace ring buffer in a specific way. Only privileged...