CVE-2015-5283: Buffer Overflow
First published: Thu Aug 27 2015(Updated: )
A NULL pointer dereference flaw was found in SCTP implementation allowing the local user to cause system DoS. Creation of multiple sockets in parallel when system doesn't have SCTP module loaded can lead to kernel panic. Upstream patch: <a href="http://patchwork.ozlabs.org/patch/515996/">http://patchwork.ozlabs.org/patch/515996/</a>
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <=4.2.2 | |
| debian/linux | 5.10.223-1 6.1.106-3 6.1.99-1 6.10.9-1 |
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Reference Links
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8e2d61e0aed2b7c4ecb35844fe07e0b2b762dee4
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html
- http://patchwork.ozlabs.org/patch/515996/
- http://www.debian.org/security/2015/dsa-3372
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.3
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/77058
- http://www.securitytracker.com/id/1033808
- http://www.ubuntu.com/usn/USN-2823-1
- http://www.ubuntu.com/usn/USN-2826-1
- http://www.ubuntu.com/usn/USN-2829-1
- http://www.ubuntu.com/usn/USN-2829-2
- https://bugzilla.redhat.com/show_bug.cgi?id=1257528
- https://github.com/torvalds/linux/commit/8e2d61e0aed2b7c4ecb35844fe07e0b2b762dee4
- https://security-tracker.debian.org/tracker/CVE-2015-5283
- https://launchpad.net/bugs/cve/CVE-2015-5283
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1279290
- https://rhn.redhat.com/errata/RHSA-2015-2411.html
- https://rhn.redhat.com/errata/RHSA-2015-2152.html
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8e2d61e0aed2b7c4ecb35844fe07e0b2b762dee4
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4db67e808640e3934d82ce61ee8e2e89fd877ba8
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5283
- https://nvd.nist.gov/vuln/detail/CVE-2015-5283
- https://ubuntu.com/security/CVE-2015-5283
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2015-5283.
What is the description of CVE-2015-5283 vulnerability?
The sctp_init function in net/sctp/protocol.c in the Linux kernel before 4.2.3 has an incorrect sequence of protocol-initialization steps, which allows local users to cause a denial of service (panic or memory corruption) by creating SCTP sockets before all of the steps have finished.
How can this vulnerability be exploited?
This vulnerability can be exploited by local users to cause a denial of service (panic or memory corruption) by creating SCTP sockets before all of the initialization steps have finished.
What is the severity of CVE-2015-5283?
The severity of CVE-2015-5283 is medium.
Where can I find more information about CVE-2015-5283?
You can find more information about CVE-2015-5283 at the following references: [Reference 1](http://patchwork.ozlabs.org/patch/515996/), [Reference 2](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1279290), [Reference 3](https://rhn.redhat.com/errata/RHSA-2015-2411.html).
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