Vulnerability Description
The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.13.11 mishandles node splitting, which allows local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.13.11 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea6789Issue TrackingPatch
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11Issue Tracking
- http://www.securityfocus.com/bid/101678Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:0151
- https://bugzilla.redhat.com/show_bug.cgi?id=1501215Issue Tracking
- https://github.com/torvalds/linux/commit/ea6789980fdaa610d7eb63602c746bf6ec70cd2PatchVendor Advisory
- https://usn.ubuntu.com/3698-1/
- https://usn.ubuntu.com/3698-2/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea6789Issue TrackingPatch
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11Issue Tracking
- http://www.securityfocus.com/bid/101678Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:0151
- https://bugzilla.redhat.com/show_bug.cgi?id=1501215Issue Tracking
- https://github.com/torvalds/linux/commit/ea6789980fdaa610d7eb63602c746bf6ec70cd2PatchVendor Advisory
- https://usn.ubuntu.com/3698-1/
FAQ
What is CVE-2017-12193?
CVE-2017-12193 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.13.11 mishandles node splitting, which allows local users to cause a denial of service (NULL pointe...
How severe is CVE-2017-12193?
CVE-2017-12193 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-12193?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.