CVE-2015-6526

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Summary

CVECVE-2015-6526
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-08-31 20:59:07 UTC
Updated2026-05-06 22:30:45 UTC
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.

Risk And Classification

Primary CVSS: v2.0 4.9 from [email protected]

AV:L/AC:L/Au:N/C:N/I:N/A:C

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:L/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
USN-2760-1: Linux kernel (OMAP4) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
powerpc/perf: Cap 64bit userspace backtraces to PERF_MAX_STACK_DEPTH · torvalds/linux@9a5cbce · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
Bug 1218454 – CVE-2015-6526 kernel: perf on ppc64 can loop forever getting userlevel stacktraces af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
Linux Kernel 'perf_callchain_user_64()' Function Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org
oss-security - CVE request - Linux kernel - perf on ppp64 - unbounded checks in perf_callchain_user_64 denial of service. af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
USN-2759-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Linux Kernel Infinite Loop in perf_callchain_user_64() Lets Local Users Cause Denial of Service Conditions on the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2 af854a3a-2127-422b-91ae-364da2661108 www.kernel.org
Oracle Linux Bulletin - October 2015 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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