Vulnerability Description
The ping_recvmsg function in net/ipv4/ping.c in the Linux kernel before 3.12.4 does not properly interact with read system calls on ping sockets, which allows local users to cause a denial of service (NULL pointer dereference and system crash) by leveraging unspecified privileges to execute a crafted application.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.12.3 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.4
- http://www.openwall.com/lists/oss-security/2013/12/06/6Patch
- http://www.ubuntu.com/usn/USN-2113-1
- http://www.ubuntu.com/usn/USN-2117-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1039046
- https://github.com/torvalds/linux/commit/cf970c002d270c36202bd5b9c2804d3097a52daExploitPatch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.4
- http://www.openwall.com/lists/oss-security/2013/12/06/6Patch
- http://www.ubuntu.com/usn/USN-2113-1
- http://www.ubuntu.com/usn/USN-2117-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1039046
FAQ
What is CVE-2013-6432?
CVE-2013-6432 is a vulnerability with a CVSS score of 4.6 (MEDIUM). The ping_recvmsg function in net/ipv4/ping.c in the Linux kernel before 3.12.4 does not properly interact with read system calls on ping sockets, which allows local users to cause a denial of service ...
How severe is CVE-2013-6432?
CVE-2013-6432 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-6432?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.