Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001090)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001090 advisory. The tcpchecksendhead 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...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003256)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003256 advisory. The tcpchecksendhead 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...

K62442245: Kernel vulnerability CVE-2016-6828

Security Advisory Description The tcpchecksendhead 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 tcpxmitretransmitqueue use-after-free and system crash vi...

Denial Of Service (DoS)

kernel-rt is vulnerable to denial of service DoS attacks. The vulnerability exists as the tcpchecksendhead 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...

Code injection

The tcpchecksendhead 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 tcpxmitretransmitqueue use-after-free and system crash via a crafted SACK option...