linux is vulnerable to denial of service. In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel 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.
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d88d05a9e0b6d9356e97129d4ff9942d765f46ea
git.launchpad.net/ubuntu-cve-tracker/tree/active/CVE-2021-28971
lists.debian.org/debian-lts-announce/2021/06/msg00019.html
lists.debian.org/debian-lts-announce/2021/06/msg00020.html
lists.fedoraproject.org/archives/list/[email protected]/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/
lists.fedoraproject.org/archives/list/[email protected]/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/
lists.fedoraproject.org/archives/list/[email protected]/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/
security.netapp.com/advisory/ntap-20210430-0003/