CVE-2015-8955

NameCVE-2015-8955
Descriptionarch/arm64/kernel/perf_event.c in the Linux kernel before 4.1 on arm64 platforms allows local users to gain privileges or cause a denial of service (invalid pointer dereference) via vectors involving events that are mishandled during a span of multiple HW PMUs.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1fixed
wheezy (security)3.2.86-1fixed
jessie3.16.39-1fixed
jessie (security)3.16.39-1+deb8u2fixed
stretch4.9.13-1fixed
sid4.9.16-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.1.3-1medium
linuxsourcejessie3.16.39-1medium
linuxsourcewheezy(not affected)

Notes

[wheezy] - linux <not-affected> (Vulnerable code not present; arm64 introduced in 3.7)
Fixed by: https://git.kernel.org/linus/8fff105e13041e49b82f92eef034f363a6b1c071 (4.1-rc1)

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