Out-of-bounds Read in Linux Kernel
CVE-2016-7917
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- source.android.com/security/bulletin/2016-11-01.html (Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/94147 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/torvalds/linux/commit/c58d6c93680f28ac58984af61d0a7ebf4319c241 (Patch, Issue Tracking)
Frequently asked questions
- What is CVE-2016-7917?
- CVE-2016-7917 is a medium-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 5.0/10. Published 2016-11-16.
- How severe is CVE-2016-7917?
- Medium severity. CVSS v3 base score is 5.0 out of 10.
- Is CVE-2016-7917 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.