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6.2

Linux kernel lets local user crash system or gain rights

CVE-2013-1826 · published 13 years ago
Summary

The Linux kernel versions before 3.5.7 have a coding mistake that can be triggered by someone who already has basic network administrator permission on the machine. This mistake could let that person cause the system to stop working or increase their own privileges. Updating the kernel to a newer version or applying the provided patch will fix the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
linux linux_kernel <= 3.5.6
3.5.1
3.5.2
3.5.3
3.5.4
3.5.5
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Original advisory text
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...
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.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
6.2 Medium
Exploitation
<1% chance of attack within 30 days
Timeline
Published22 Mar 2013
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2013-1826 · NVD
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