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high7.8Public exploit code

CVE-2016-9793

The sock_setsockopt function in net/core/sock.c in the Linux kernel before 4.8.14 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local use…

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

The sock_setsockopt function in net/core/sock.c in the Linux kernel before 4.8.14 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact by leveraging the CAP_NET_ADMIN capability for a crafted setsockopt system call with the (1) SO_SNDBUFFORCE or (2) SO_RCVBUFFORCE option.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 3.5 before 3.12.69
from 3.13 before 3.16.40
from 3.17 before 3.18.52
from 3.19 before 4.1.50
from 4.2 before 4.4.38
from 4.5 before 4.8.14

Weakness classification

CWE-119

References