K78234183: Linux SACK Panic vulnerability CVE-2019-11477

Security Advisory Description Jonathan Looney discovered that the TCPSKBCBskb-tcpgsosegs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments SACKs. A remote attacker could use this to cause a denial of service. This has been fixed in stable...

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...

SUSE CVE-2019-11478

Jonathan Looney discovered that the TCP retransmission queue implementation in tcpfragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment SACK sequences. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel...

SA44193 - 2019-06: Out-of-Cycle Advisory: Multiple Linux Kernel and FreeBSD vulnerabilities

Last Modified Date Aug 24, 2026 12:35:11 AM...

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

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...

SUSE: Security Advisory (SUSE-SU-2019:14127-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Security Bulletin: IBM DataPower Gateway is affected by Denial of Service vulnerabilities

Summary IBM DataPower Gateway has addressed the following vulnerabilities: CVE-2019-11479 CVE-2019-11478 CVE-2019-11477 Vulnerability Details CVEID: CVE-2019-11479 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a flaw when processing minimum segment size MSS. By sending...

ArubaOS-CX < 10.3.0001 (ARUBA-PSA-2020-010)

The version of ArubaOS-CX installed on the remote host is prior to version 10.3.0001. It is, therefore, affected by multiple vulnerabilities, as follows: - Jonathan Looney discovered that the TCPSKBCBskb-tcpgsosegs value was subject to an integer overflow in the Linux kernel when handling TCP...

SUSE: Security Advisory (SUSE-SU-2019:1530-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2019:1924-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Security Bulletin: IBM Cloud Pak System addressed vulnerabilities (CVE-2019-11479, CVE-2019-11478, CVE-2019-11477)

Summary IBM Cloud Pak System identified vulnerabilities in SAN VC supporting products. IBM announced a new release for IBM Cloud Pak System in response to vulnerabilities. Vulnerability Details CVEID: CVE-2019-11477 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by an...

CVE-2019-11477

An integer overflow flaw was found in the way the Linux kernel's networking subsystem processed TCP Selective Acknowledgment SACK segments. While processing SACK segments, the Linux kernel's socket buffer SKB data structure becomes fragmented. Each fragment is about TCP maximum segment size MSS...

AVM FRITZ!Box TCP SACK PANIC - Kernel Vulnerabilities

Multiple AVM FRITZ!Box devices are prone to multiple Denial of Service vulnerabilities. SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Security Bulletin: IBM Security Guardium is affected by a TCP SACK PANIC -Kernel vulnerability

Summary IBM Security Guardium has addressed the following vulnerability Vulnerability Details CVEID: CVE-2019-11478 DESCRIPTION: Jonathan Looney discovered that the TCP retransmission queue implementation in tcpfragment in the Linux kernel could be fragmented when handling certain TCP Selective...

Western Digital My Cloud Multiple Products < 2.31.193 Multiple Vulnerabilities

Multiple Western Digital My Cloud products are prone to multiple vulnerabilities. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This progr...

Arista Networks CloudVision Portal Linux Kernel TCP Multiple DoS (SA0041)

The version of Arista Networks CloudVision Portal running on the remote device is affected by the following denial of service DoS vulnerabilities related to TCP networking in the Linux kernel, which can be exploited by a remote, unauthenticated attacker: - SACK Panic. The TCPSKBCBskb-tcpgsosegs...

Huawei Data Communication: Integer Overflow Vulnerability in the Linux Kernel (SACK Panic) (huawei-sa-20191204-01-kernel)

Jonathan Looney discovered that the TCPSKBCBskb-tcpgsosegs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments SACKs. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyrigh...

Arista Networks EOS Linux Kernel TCP Multiple DoS (SA0041)

The version of Arista Networks EOS running on the remote device is affected by the following denial of service DoS vulnerabilities related to TCP networking in the Linux kernel, which can be exploited by a remote, unauthenticated attacker: - SACK Panic. The TCPSKBCBskb-tcpgsosegs value is subject...

Security Bulletin: IBM API Connect V5 is impacted by a denial of service vulnerability in Linux kernel (CVE-2019-11477)

Summary IBM API Connect has addressed the following vulnerability. Vulnerability Details CVEID: CVE-2019-11477 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by an integer overflow when processing TCP Selective Acknowledgement SACK capabilities. By sending specially-crafte...