CVE-2021-38200

arch/powerpc/perf/core-book3s.c in the Linux kernel before 5.12.13, on systems with perf_event_paranoid=-1 and no specific PMU driver support registered, allows local users to cause a denial of service (perf_instruction_pointer NULL pointer dereference and OOPS) via a "perf record" command.

• CWE-476

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13Mailing List, Patch, Vendor Advisory
• https://github.com/torvalds/linux/commit/60b7ed54a41b550d50caf7f2418db4a7e75b5bdcPatch, Third Party Advisory
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13Mailing List, Patch, Vendor Advisory
• https://github.com/torvalds/linux/commit/60b7ed54a41b550d50caf7f2418db4a7e75b5bdcPatch, Third Party Advisory

Published

Aug 8, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2021-38195An issue was discovered in the libsecp256k1 crate before 0.5…9.8
• CVE-2021-38196An issue was discovered in the better-macro crate through 20…9.8
• CVE-2021-38197unarr.go in go-unarr (aka Go bindings for unarr) 0.1.1 allow…9.8
• CVE-2021-38198arch/x86/kvm/mmu/paging_tmpl.h in the Linux kernel before 5.…5.5
• CVE-2021-38199fs/nfs/nfs4client.c in the Linux kernel before 5.13.4 has in…6.5
• CVE-2021-3820inflect is vulnerable to Inefficient Regular Expression Comp…7.5
• CVE-2021-38201net/sunrpc/xdr.c in the Linux kernel before 5.13.4 allows re…7.5
• CVE-2021-38202fs/nfsd/trace.h in the Linux kernel before 5.13.4 might allo…7.5
• CVE-2021-38203btrfs in the Linux kernel before 5.13.4 allows attackers to …5.5
• CVE-2021-38204drivers/usb/host/max3421-hcd.c in the Linux kernel before 5.…6.8
• CVE-2021-38205drivers/net/ethernet/xilinx/xilinx_emaclite.c in the Linux k…3.3
• CVE-2021-38206The mac80211 subsystem in the Linux kernel before 5.12.13, w…5.5