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...

CVE-2021-31889

A vulnerability has been identified in Capital Embedded AR Classic 431-422 All versions, Capital Embedded AR Classic R20-11 All versions V2303, PLUSCONTROL 1st Gen All versions, SIMOTICS CONNECT 400 All versions V0.5.0.0. Malformed TCP packets with a corrupted SACK option leads to Information Lea...

EUVD-2016-7713

Malware in sbrugna...

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...

SUSE CVE-2016-6828

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...

CVE-2021-31889

A vulnerability has been identified in Capital Embedded AR Classic 431-422 All versions, Capital Embedded AR Classic R20-11 All versions V2303, PLUSCONTROL 1st Gen All versions, SIMOTICS CONNECT 400 All versions V0.5.0.0. Malformed TCP packets with a corrupted SACK option leads to Information Lea...

CVE-2021-31889: Integer Underflow (Wrap or Wraparound)

A vulnerability has been identified in Capital Embedded AR Classic 431-422 All versions, Capital Embedded AR Classic R20-11 All versions V2303, PLUSCONTROL 1st Gen All versions, SIMOTICS CONNECT 400 All versions V0.5.0.0. Malformed TCP packets with a corrupted SACK option leads to Information Lea...

OpenBSD tcp_sack_option() DoS

The vulnerability of the tcpsackoption function in the kernel of the OpenBSD operating system exists due to insufficient validation of input data. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

PT-2019-3099

Name of the Vulnerable Software and Affected Versions OpenBSD kernel versions prior to 6.5 Description The issue exists due to insufficient input validation in the tcp sack option function of the OpenBSD kernel. This can be exploited by a remote attacker to cause a denial of service. An attacker...

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...

SUSE SLES11 Security Update : kernel (SUSE-SU-2016:2976-1)

The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes. For the PowerPC64 a new 'bigmem' flavor has been added to support big Power machines. FATE319026 The following security bugs were fixed : - CVE-2016-7042: The prockeysshow function in security/keys/proc....

CVE-2016-6828

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...

CVE-2016-6828

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...

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...

CVE-2016-6828

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...

CVE-2016-6828

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...

CVE-2016-6828

The vulnerability CVE-2016-6828 affects the Linux kernel and is triggered by a local attacker exploiting a use-after-free in the TCP transmit path. Specifically, the tcp_check_send_head path in include/net/tcp.h leaves SACK state in an inconsistent condition after a failed data copy, enabling a l...

CVE-2016-6828: Use After Free

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...

CVE-2016-6828

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...