CVE-2015-6526

NameCVE-2015-6526
DescriptionThe perf_callchain_user_64 function in arch/powerpc/perf/callchain.c in the Linux kernel before 4.0.2 on ppc64 platforms allows local users to cause a denial of service (infinite loop) via a deep 64-bit userspace backtrace.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2fixed
buster (security)4.19.260-1fixed
bullseye5.10.140-1fixed
bullseye (security)5.10.136-1fixed
bookworm, sid5.19.11-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy3.2.71-1
linuxsourcejessie3.16.7-ckt11-1
linuxsource(unstable)4.1.3-1
linux-2.6sourcesqueeze(not affected)
linux-2.6source(unstable)(unfixed)

Notes

[squeeze] - linux-2.6 <not-affected> (powerpc not supported in Squeeze LTS)
https://www.openwall.com/lists/oss-security/2015/08/18/4
Fixed by: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a5cbce421a283e6aea3c4007f141735bf9da8c3 (v4.1-rc1)

Search for package or bug name: Reporting problems