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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)…

Impact

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, aka CID-d88d05a9e0b6.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
through 5.11.8
FedoraprojectFedora
Versions 32, 33, 34
DebianDebian Linux
Version 9.0
NetappCloud Backup
All versions
NetappSolidfire Baseboard Management Controller Firmware
All versions
NetappAff A250 Firmware
All versions
NetappAff 500f Firmware
All versions

Weakness classification

CWE-755

References