What’s Vulnerable › Vulnerabilities

CVE-2016-7917

• Severity: medium (CVSS 5.0 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-11-16 · updated 2026-06-17
• Weakness: CWE-125

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.

Affected products

• Linux kernel: through 4.4.32

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c58d6c93680f28ac58984af61d0a7ebf4319c241
• http://source.android.com/security/bulletin/2016-11-01.html
• http://www.securityfocus.com/bid/94147
• https://github.com/torvalds/linux/commit/c58d6c93680f28ac58984af61d0a7ebf4319c241
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c58d6c93680f28ac58984af61d0a7ebf4319c241
• http://source.android.com/security/bulletin/2016-11-01.html
• http://www.securityfocus.com/bid/94147
• https://github.com/torvalds/linux/commit/c58d6c93680f28ac58984af61d0a7ebf4319c241

Get alerted when CVE-2016-7917 or the next vulnerability affects your stack