Vulnerability Description
The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.2.29 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html
- http://lists.opensuse.org/opensuse-updates/2013-02/msg00018.html
- http://secunia.com/advisories/50848
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30
- http://www.openwall.com/lists/oss-security/2012/08/22/1
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.h
- http://www.securityfocus.com/bid/55152
- http://www.ubuntu.com/usn/USN-1599-1
- http://www.ubuntu.com/usn/USN-1610-1
- https://bugzilla.redhat.com/show_bug.cgi?id=850449
- https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfeExploit
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html
- http://lists.opensuse.org/opensuse-updates/2013-02/msg00018.html
FAQ
What is CVE-2012-3520?
CVE-2012-3520 is a vulnerability with a CVSS score of 1.9 (LOW). The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafte...
How severe is CVE-2012-3520?
CVE-2012-3520 has been rated LOW with a CVSS base score of 1.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-3520?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.