CVE-2021-28971

Name of the Vulnerable Software and Affected Versions Linux kernel versions through 5.11.8

Description The issue is related to the intel pmu drain pebs nhm function in the Linux kernel, which can cause a system crash due to mishandling of the PEBS status in a PEBS record. This can be exploited by userspace applications, such as perf-fuzzer, on some Haswell CPUs.

Recommendations For Linux kernel versions through 5.11.8, update to a version newer than 5.11.8 to resolve the issue. At the moment, there is no information about other specific fixes for this vulnerability.