vulnerability

Red Hat: CVE-2016-6828: Important: kernel security and bug fix update (Multiple Advisories)

Name: Red Hat: CVE-2016-6828: Important: kernel security and bug fix update (Multiple Advisories)
Creator: Red Hat
Published: 2016-10-16T00:00:00.000Z
Keywords: CVE, Red Hat, 2016, 6828, Important, redhat-upgrade-kernel, redhat-upgrade-kernel-rt, Severity 5

Try Surface Command

Back to search

Severity

CVSS

(AV:L/AC:L/Au:N/C:N/I:N/A:C)

Published

Oct 16, 2016

Added

Jan 14, 2017

Modified

Feb 19, 2026

Description

The tcp_check_send_head function in include/net/tcp.h in the Linux kernel before 4.7.5 does not properly maintain certain SACK state after a failed data copy, which allows local users to cause a denial of service (tcp_xmit_retransmit_queue use-after-free and system crash) via a crafted SACK option.

Solutions

redhat-upgrade-kernelredhat-upgrade-kernel-rt

References

Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.

Get report