CVE-2016-9793
High
Description
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedDec 28, 2016
First seenDec 28, 2016
How to fix
Update
- linux linux_kernel3.12.69, 3.16.40, 3.18.52, 4.1.50, 4.4.38, 4.8.14 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.5 ≤ v < 3.12.69, 3.13 ≤ v < 3.16.40, 3.17 ≤ v < 3.18.52, 3.19 ≤ v < 4.1.50, 4.2 ≤ v < 4.4.38, 4.5 ≤ v < 4.8.14 | 3.12.69, 3.16.40, 3.18.52, 4.1.50, 4.4.38, 4.8.14 |
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