Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-debug package, versions <0:3.10.0-327.el7
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-RHEL7-KERNELDEBUG-4557760
- published 26 Jul 2021
- disclosed 13 Apr 2015
Introduced: 13 Apr 2015
CVE-2015-6526 Open this link in a new tabHow to fix?
Upgrade RHEL:7 kernel-debug to version 0:3.10.0-327.el7 or higher.
This issue was patched in RHSA-2015:2152.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
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.
References
- http://www.securityfocus.com/bid/76401
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a5cbce421a283e6aea3c4007f141735bf9da8c3
- https://bugzilla.redhat.com/show_bug.cgi?id=1218454
- https://github.com/torvalds/linux/commit/9a5cbce421a283e6aea3c4007f141735bf9da8c3
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- https://access.redhat.com/security/cve/CVE-2015-6526
- http://www.openwall.com/lists/oss-security/2015/08/18/4
- https://access.redhat.com/errata/RHSA-2015:2152
- http://www.securitytracker.com/id/1033728
- http://www.ubuntu.com/usn/USN-2759-1
- http://www.ubuntu.com/usn/USN-2760-1
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