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vulnerability

Oracle Linux: CVE-2016-8645: ELSA-2017-1842: kernel security, bug fix, and enhancement update (IMPORTANT) (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Nov 10, 2016
Added
Apr 4, 2017
Modified
Dec 3, 2025

Description

The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to cause a denial of service (system crash) via a crafted application that makes sendto system calls, related to net/ipv4/tcp_ipv4.c and net/ipv6/tcp_ipv6.c.
It was discovered that the Linux kernel since 3.6-rc1 with 'net.ipv4.tcp_fastopen' set to 1 can hit BUG() statement in tcp_collapse() function after making a number of certain syscalls leading to a possible system crash.

Solutions

oracle-linux-upgrade-kerneloracle-linux-upgrade-kernel-uek
Title
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