CVE-2017-7308 Integer overflow in n/a

What is CVE-2017-7308?

CVE-2017-7308 is a high-severity vulnerability in Linux kernel, published on 29 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The packet_set_ring function in net/packet/af_packet.c in the Linux kernel through 4.10.6 does not properly validate certain block-size data, which allows local users to cause a denial of service (integer signedness error and out-of-bounds write), or gain privileges (if the CAP_NET_RAW capability is held), via crafted system calls.

Weakness: CWE-787, CWE-681

Which versions are affected by CVE-2017-7308?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-7308?

Apply the vendor's patch.

Is CVE-2017-7308 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-7308 exists.

Public exploit code: 1 Metasploit module, 4 Exploit-DB entries and 2 proofs of concept on GitHub.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2017-7308, GHSA-ppq3-433v-jp43, SUSE-SU-2017:1278-1, SUSE-SU-2017:1285-1, SUSE-SU-2017:1287-1, SUSE-SU-2017:1291-1 and 6 more.