Vulnerability Description
A security flaw was discovered in the nl80211_set_rekey_data() function in net/wireless/nl80211.c in the Linux kernel through 4.13.3. This function does not check whether the required attributes are present in a Netlink request. This request can be issued by a user with the CAP_NET_ADMIN capability and may result in a NULL pointer dereference and system crash.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.13.3 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
References
- http://seclists.org/oss-sec/2017/q3/437Mailing ListPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3981Third Party Advisory
- http://www.securityfocus.com/bid/100855Third Party AdvisoryVDB Entry
- https://bugzilla.novell.com/show_bug.cgi?id=1058410Issue TrackingPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1491046Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git/commit/?id=e7Issue TrackingPatchThird Party Advisory
- https://marc.info/?t=150525503100001&r=1&w=2PatchThird Party Advisory
- https://usn.ubuntu.com/3583-1/Third Party Advisory
- https://usn.ubuntu.com/3583-2/Third Party Advisory
- http://seclists.org/oss-sec/2017/q3/437Mailing ListPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3981Third Party Advisory
- http://www.securityfocus.com/bid/100855Third Party AdvisoryVDB Entry
- https://bugzilla.novell.com/show_bug.cgi?id=1058410Issue TrackingPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1491046Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git/commit/?id=e7Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2017-12153?
CVE-2017-12153 is a vulnerability with a CVSS score of 4.4 (MEDIUM). A security flaw was discovered in the nl80211_set_rekey_data() function in net/wireless/nl80211.c in the Linux kernel through 4.13.3. This function does not check whether the required attributes are p...
How severe is CVE-2017-12153?
CVE-2017-12153 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-12153?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Canonical Ubuntu Linux.