CVE-2021-38200

NameCVE-2021-38200
Descriptionarch/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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitylow

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1fixed
stretch (security)4.9.290-1fixed
buster4.19.208-1fixed
buster (security)4.19.194-3fixed
bullseye5.10.84-1fixed
bullseye (security)5.10.92-1fixed
bookworm5.15.5-2fixed
sid5.15.15-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)(not affected)

Notes

- linux <not-affected> (Vulnerable code introduced later)
https://git.kernel.org/linus/60b7ed54a41b550d50caf7f2418db4a7e75b5bdc

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