Vulnerability Description
The xfrm_state_netlink function in net/xfrm/xfrm_user.c in the Linux kernel before 3.5.7 does not properly handle error conditions in dump_one_state function calls, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.5.6 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://rhn.redhat.com/errata/RHSA-2013-0744.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7
- http://www.openwall.com/lists/oss-security/2013/03/07/2
- http://www.ubuntu.com/usn/USN-1829-1
- https://bugzilla.redhat.com/show_bug.cgi?id=919384
- https://github.com/torvalds/linux/commit/864745d291b5ba80ea0bd0edcbe67273de36883
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://rhn.redhat.com/errata/RHSA-2013-0744.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7
- http://www.openwall.com/lists/oss-security/2013/03/07/2
- http://www.ubuntu.com/usn/USN-1829-1
- https://bugzilla.redhat.com/show_bug.cgi?id=919384
- https://github.com/torvalds/linux/commit/864745d291b5ba80ea0bd0edcbe67273de36883
FAQ
What is CVE-2013-1826?
CVE-2013-1826 is a vulnerability with a CVSS score of 6.2 (MEDIUM). The xfrm_state_netlink function in net/xfrm/xfrm_user.c in the Linux kernel before 3.5.7 does not properly handle error conditions in dump_one_state function calls, which allows local users to gain pr...
How severe is CVE-2013-1826?
CVE-2013-1826 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-1826?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.