CVE-2016-9806: Double Free
First published: Mon Dec 05 2016(Updated: )
A double free vulnerability was found in netlink_dump, which could cause a denial of service or possibly other unspecified impact. References: <a href="http://seclists.org/oss-sec/2016/q4/577">http://seclists.org/oss-sec/2016/q4/577</a> <a href="http://lists.openwall.net/netdev/2016/05/15/69">http://lists.openwall.net/netdev/2016/05/15/69</a> Upstream patch: <a href="https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92964c79b357efd980812c4de5c1fd2ec8bb5520">https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92964c79b357efd980812c4de5c1fd2ec8bb5520</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=3.12<3.12.62 | |
| Linux Kernel | >=3.13<3.14.73 | |
| Linux Kernel | >=3.15<3.16.37 | |
| Linux Kernel | >=3.17<3.18.37 | |
| Linux Kernel | >=3.19<4.1.28 | |
| Linux Kernel | >=4.2<4.4.14 | |
| Linux Kernel | >=4.5<4.6.3 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 | |
| Android |
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Reference Links
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92964c79b357efd980812c4de5c1fd2ec8bb5520
- https://source.android.com/docs/security/bulletin/2017-03-01 (Advisory)
- http://lists.openwall.net/netdev/2016/05/15/69
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3
- http://www.openwall.com/lists/oss-security/2016/12/03/4
- http://www.securityfocus.com/bid/94653
- http://www.securitytracker.com/id/1037968
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:2669
- https://bugzilla.redhat.com/show_bug.cgi?id=1401502
- https://github.com/torvalds/linux/commit/92964c79b357efd980812c4de5c1fd2ec8bb5520
- https://source.android.com/security/bulletin/2017-03-01.html
- http://seclists.org/oss-sec/2016/q4/577
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92964c79b357efd980812c4de5c1fd2ec8bb5520
- https://git.kernel.org/linus/92964c79b357efd980812c4de5c1fd2ec8bb5520
- https://security-tracker.debian.org/tracker/CVE-2016-9806
Frequently Asked Questions
What is the severity of CVE-2016-9806?
CVE-2016-9806 has a medium severity rating due to its potential to cause a denial of service.
How do I fix CVE-2016-9806?
To mitigate CVE-2016-9806, it is recommended to update to kernel version 5.10.223-1 or later.
What systems are affected by CVE-2016-9806?
CVE-2016-9806 affects multiple versions of the Linux kernel and Google Android systems.
What kind of impact could CVE-2016-9806 have?
CVE-2016-9806 could lead to a denial of service and potentially other unspecified impacts.
Is CVE-2016-9806 still a concern for current systems?
While CVE-2016-9806 has been patched in newer kernel versions, outdated systems may still be vulnerable.
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