CVE-2016-4998
High
Description
The IPT_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel before 4.6 allows local users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from kernel heap memory by leveraging in-container root access to provide a crafted offset value that leads to crossing a ruleset blob boundary.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Linux Kernel
PublishedJul 3, 2016
First seenJul 3, 2016
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v ≤ 4.5.5 | — |
| oracle linux | 7 | — |
| canonical ubuntu_linux | 12.04, 14.04, 15.10, 16.04 | — |
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