Vulnerability Description
The makecontext function in the GNU C Library (aka glibc or libc6) before 2.25 creates execution contexts incompatible with the unwinder on ARM EABI (32-bit) platforms, which might allow context-dependent attackers to cause a denial of service (hang), as demonstrated by applications compiled using gccgo, related to backtrace generation.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Glibc | <= 2.24 |
| Opensuse | Opensuse | 13.2 |
| Fedoraproject | Fedora | 23 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-updates/2016-10/msg00009.htmlThird Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21995039
- http://www.openwall.com/lists/oss-security/2016/08/18/12Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/92532
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/201706-19
- https://sourceware.org/bugzilla/show_bug.cgi?id=20435Issue Tracking
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=9e2ff6c9cc54c0b4402b8d49e4
- http://lists.opensuse.org/opensuse-updates/2016-10/msg00009.htmlThird Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21995039
- http://www.openwall.com/lists/oss-security/2016/08/18/12Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/92532
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2016-6323?
CVE-2016-6323 is a vulnerability with a CVSS score of 7.5 (HIGH). The makecontext function in the GNU C Library (aka glibc or libc6) before 2.25 creates execution contexts incompatible with the unwinder on ARM EABI (32-bit) platforms, which might allow context-depen...
How severe is CVE-2016-6323?
CVE-2016-6323 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-6323?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Glibc, Opensuse Opensuse, Fedoraproject Fedora.