Vulnerability Description
The nfnetlink_rcv_batch function in net/netfilter/nfnetlink.c in the Linux kernel before 4.5 does not check whether a batch message's length field is large enough, which allows local users to obtain sensitive information from kernel memory or cause a denial of service (infinite loop or out-of-bounds read) by leveraging the CAP_NET_ADMIN capability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.4.32 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c58d6cIssue TrackingPatchThird Party Advisory
- http://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
- http://www.securityfocus.com/bid/94147Third Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/c58d6c93680f28ac58984af61d0a7ebf4319c24Issue TrackingPatch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c58d6cIssue TrackingPatchThird Party Advisory
- http://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
- http://www.securityfocus.com/bid/94147Third Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/c58d6c93680f28ac58984af61d0a7ebf4319c24Issue TrackingPatch
FAQ
What is CVE-2016-7917?
CVE-2016-7917 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The nfnetlink_rcv_batch function in net/netfilter/nfnetlink.c in the Linux kernel before 4.5 does not check whether a batch message's length field is large enough, which allows local users to obtain s...
How severe is CVE-2016-7917?
CVE-2016-7917 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-7917?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.