CVE-2016-9555
First published: Wed Nov 23 2016(Updated: )
A flaw was found in the Linux kernels implementation of sctp protocol in which a remote attacker can trigger an out of bounds read with an offset of up to 64kB. This may panic the machine with a page-fault and the out-of-bounds data does not seem to be returned to the remote attacker. For this attack to be sucessful, the kernel needs to have both the SCTP protocol module loaded and a process listening as an SCTP server. Upstream patch: <a href="https://github.com/torvalds/linux/commit/bf911e985d6bbaa328c20c3e05f4eb03de11fdd6">https://github.com/torvalds/linux/commit/bf911e985d6bbaa328c20c3e05f4eb03de11fdd6</a> CVE assignment: <a href="http://seclists.org/oss-sec/2016/q4/509">http://seclists.org/oss-sec/2016/q4/509</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=3.2<3.2.85 | |
| Linux Linux kernel | >=3.3<3.10.105 | |
| Linux Linux kernel | >=3.11<3.12.68 | |
| Linux Linux kernel | >=3.13<3.16.40 | |
| Linux Linux kernel | >=3.17<3.18.49 | |
| Linux Linux kernel | >=3.19<4.4.32 | |
| Linux Linux kernel | >=4.5.0<4.8.8 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bf911e985d6bbaa328c20c3e05f4eb03de11fdd6
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00076.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00077.html
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00087.html
- http://rhn.redhat.com/errata/RHSA-2017-0086.html
- http://rhn.redhat.com/errata/RHSA-2017-0091.html
- http://rhn.redhat.com/errata/RHSA-2017-0113.html
- http://rhn.redhat.com/errata/RHSA-2017-0307.html
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.8
- http://www.openwall.com/lists/oss-security/2016/11/22/18
- http://www.securityfocus.com/bid/94479
- http://www.securitytracker.com/id/1037339
- https://bto.bluecoat.com/security-advisory/sa134
- https://bugzilla.redhat.com/show_bug.cgi?id=1397930
- https://github.com/torvalds/linux/commit/bf911e985d6bbaa328c20c3e05f4eb03de11fdd6
- https://groups.google.com/forum/#!topic/syzkaller/pAUcHsUJbjk
- https://groups.google.com/forum/#%21topic/syzkaller/pAUcHsUJbjk
- https://launchpad.net/bugs/cve/CVE-2016-9555
- http://seclists.org/oss-sec/2016/q4/509
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1397931
- https://rhn.redhat.com/errata/RHSA-2017-0113.html
- https://rhn.redhat.com/errata/RHSA-2017-0086.html
- https://rhn.redhat.com/errata/RHSA-2017-0091.html
- https://rhn.redhat.com/errata/RHSA-2017-0307.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9555
- https://nvd.nist.gov/vuln/detail/CVE-2016-9555
- https://security-tracker.debian.org/tracker/CVE-2016-9555
- https://ubuntu.com/security/CVE-2016-9555
- https://git.kernel.org/linus/bf911e985d6bbaa328c20c3e05f4eb03de11fdd6
Frequently Asked Questions
What is CVE-2016-9555?
CVE-2016-9555 is a vulnerability in the Linux kernel before version 4.8.8 that allows remote attackers to cause a denial of service or possibly have other impact via crafted SCTP data.
How severe is CVE-2016-9555?
CVE-2016-9555 has a severity level of medium.
What is the affected software for CVE-2016-9555?
The affected software for CVE-2016-9555 includes various versions of the Linux kernel.
How can I fix CVE-2016-9555?
To fix CVE-2016-9555, it is recommended to update to Linux kernel version 4.8.8 or later.
Where can I find more information about CVE-2016-9555?
You can find more information about CVE-2016-9555 on the Openwall website and the official Linux kernel repository.
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