vulnerability

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

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Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Oct 16, 2016
Added
Jan 27, 2017
Modified
May 25, 2023

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.

Solution(s)

centos-upgrade-kernelcentos-upgrade-kernel-rt

References

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