Vulnerability DatabaseCVE-2015-6526
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CVE-2015-6526
Published:August 31, 2015
Updated:May 17, 2026
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.
Related Resources (12)
https://bugzilla.redhat.com/show_bug.cgi?id=1218454
https://access.redhat.com/security/cve/CVE-2015-6526
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-6526
http://www.ubuntu.com/usn/USN-2760-1
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.ubuntu.com/usn/USN-2759-1
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2
http://www.securityfocus.com/bid/76401
http://www.securitytracker.com/id/1033728
https://github.com/torvalds/linux/commit/9a5cbce421a283e6aea3c4007f141735bf9da8c3
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a5cbce421a283e6aea3c4007f141735bf9da8c3
http://www.openwall.com/lists/oss-security/2015/08/18/4
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CVSS v3
Base Score:
6.2
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
CVSS v2
Base Score:
4.9
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
EPSS
Base Score:
0.04