CVE-2016-8650: Input Validation
First published: Tue Nov 15 2016(Updated: )
A flaw was found in the Linux kernel key management subsystem in which a local attacker could crash the kernel or corrupt the stack and additional memory (denial of service) by supplying a specially crafted RSA key. This flaw panics the machine during the verification of the RSA key and is key-payload independant. This vulnerably can be triggered by any unprivileged user with a local shell account. References: <a href="http://seclists.org/fulldisclosure/2016/Nov/76">http://seclists.org/fulldisclosure/2016/Nov/76</a> Product bug: <a class="bz_bug_link bz_secure " title="" href="show_bug.cgi?id=1343162">https://bugzilla.redhat.com/show_bug.cgi?id=1343162</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | ||
| Linux Kernel | <=4.8.11 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.17-1 |
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Reference Links
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f5527fffff3f002b0a6b376163613b82f69de073
- http://seclists.org/fulldisclosure/2016/Nov/76
- http://www.openwall.com/lists/oss-security/2016/11/24/8
- http://www.securityfocus.com/bid/94532
- http://www.securitytracker.com/id/1037968
- https://access.redhat.com/errata/RHSA-2017:0931
- https://access.redhat.com/errata/RHSA-2017:0932
- https://access.redhat.com/errata/RHSA-2017:0933
- https://access.redhat.com/errata/RHSA-2018:1854
- https://bugzilla.redhat.com/show_bug.cgi?id=1395187
- https://github.com/torvalds/linux/commit/f5527fffff3f002b0a6b376163613b82f69de073
- https://source.android.com/security/bulletin/2017-03-01.html
- https://launchpad.net/bugs/cve/CVE-2016-8650
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1343162
- https://lkml.org/lkml/2016/11/23/477
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1398463
- https://source.android.com/docs/security/bulletin/2017-03-01 (Advisory)
- https://git.kernel.org/linus/f5527fffff3f002b0a6b376163613b82f69de073
- https://git.kernel.org/linus/cdec9cb5167ab1113ba9c58e395f664d9d3f9acb
- https://bugzilla.redhat.com/show_bug.cgi?id=1343162
- https://security-tracker.debian.org/tracker/CVE-2016-8650
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8650
- https://nvd.nist.gov/vuln/detail/CVE-2016-8650
- https://ubuntu.com/security/CVE-2016-8650
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID of this issue is CVE-2016-8650.
What is the severity of CVE-2016-8650?
CVE-2016-8650 has a severity value of 7, which is high.
How does CVE-2016-8650 affect the Linux kernel?
CVE-2016-8650 can cause a denial of service (stack memory corruption and panic) in the Linux kernel.
Which versions of the Linux kernel are affected by CVE-2016-8650?
The Linux kernel versions through 4.8.11 are affected by CVE-2016-8650.
How can I fix CVE-2016-8650?
To fix CVE-2016-8650, you should update your Linux kernel to version 4.8.12 or higher.
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