CVE-2015-6526

Description

The 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.

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/9a5cbce421a283e6aea3c4007f141735bf9da8c3
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.ubuntu.com/usn/USN-2760-1 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1218454
http://www.ubuntu.com/usn/USN-2759-1 vendor advisory
http://www.openwall.com/lists/oss-security/2015/08/18/4 mailing list
http://www.securitytracker.com/id/1033728 vdb entry
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a5cbce421a283e6aea3c4007f141735bf9da8c3
http://www.securityfocus.com/bid/76401 vdb entry
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2

Frequently Asked Questions

What is the severity of CVE-2015-6526?
CVE-2015-6526 has been scored as a medium severity vulnerability.
How to fix CVE-2015-6526?
To fix CVE-2015-6526, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-6526 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-6526 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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