Vulnerability in Linux Linux_kernel

CVE-2021-28971

In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the PEBS status in a PEBS record is mishandled…

EPSS: 0.004 (30.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-28971?
CVE-2021-28971 is a medium-severity vulnerability in Linux Linux_kernel, classified under Improper Handling of Exceptional Conditions. CVSS score: 5.5/10. Published 2021-03-22.
How severe is CVE-2021-28971?
Medium severity. CVSS v3 base score is 5.5 out of 10.