CVE-2013-7339: Null Pointer Dereference
First published: Fri Mar 21 2014(Updated: )
Description of the problem: Binding might result in a NULL device which is later dereferenced in rds_ib_laddr_check() function without checking. A local unprivileged user could use this flaw to crash the system. Upstream patch: <a href="https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c2349758acf1874e4c2b93fe41d072336f1a31d0">https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c2349758acf1874e4c2b93fe41d072336f1a31d0</a> References: <a href="http://seclists.org/oss-sec/2014/q1/628">http://seclists.org/oss-sec/2014/q1/628</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <3.12.8 | |
| 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/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c2349758acf1874e4c2b93fe41d072336f1a31d0
- http://secunia.com/advisories/59386
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.8
- http://www.openwall.com/lists/oss-security/2014/03/20/14
- http://www.securityfocus.com/bid/66351
- https://bugzilla.redhat.com/show_bug.cgi?id=1079214
- https://github.com/torvalds/linux/commit/c2349758acf1874e4c2b93fe41d072336f1a31d0
- https://launchpad.net/bugs/cve/CVE-2013-7339
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c2349758acf1874e4c2b93fe41d072336f1a31d0
- http://seclists.org/oss-sec/2014/q1/628
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1079222
- https://rhn.redhat.com/errata/RHSA-2014-0740.html
- https://rhn.redhat.com/errata/RHSA-2014-0439.html
- https://rhn.redhat.com/errata/RHSA-2014-0981.html
- https://rhn.redhat.com/errata/RHSA-2014-1101.html
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c2349758acf1874e4c2b93fe41d072336f1a31d0
- https://security-tracker.debian.org/tracker/CVE-2013-7339
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7339
- https://nvd.nist.gov/vuln/detail/CVE-2013-7339
- https://ubuntu.com/security/CVE-2013-7339
Frequently Asked Questions
What is the severity of CVE-2013-7339?
CVE-2013-7339 is considered a medium severity vulnerability that can lead to a system crash.
How do I fix CVE-2013-7339?
To fix CVE-2013-7339, you should update your Linux kernel to version 3.12.9 or later.
Who is affected by CVE-2013-7339?
CVE-2013-7339 affects local unprivileged users on systems running vulnerable versions of the Linux kernel.
What are the potential impacts of exploiting CVE-2013-7339?
Exploiting CVE-2013-7339 can cause a denial of service by crashing the system.
Is there a patch available for CVE-2013-7339?
Yes, an upstream patch is available to address CVE-2013-7339 in the Linux kernel.
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