Kernel update: Virtuozzo ReadyKernel patch 82.2 for Virtuozzo 7.0.8 HF1 and 7.0.10 HF1

The fixes for CVE-2019-11477 and CVE-2019-11478 released in the ReadyKernel patch 82.0 turned out to cause network-related issues. These fixes are removed in this ReadyKernel patch for the kernels 3.10.0-862.11.6.vz7.64.7 Virtuozzo 7.0.8 HF1 and 3.10.0-957.12.2.vz7.86.2 Virtuozzo 7.0.10 HF1. Unti...

SUSE-SU-2019:1674-1 Security update for the Linux Kernel (Live Patch 2 for SLE 12 SP4)

This update for the Linux Kernel 4.12.14-956 fixes several issues. The following security issues were fixed: - CVE-2019-3846: A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting to a malicious wireless network...

MGASA-2019-0197 Updated kernel-linus packages fix security vulnerability

This kernel-linus update is based on the upstream 4.14.127 and fixes at least the following security issues: Jonathan Looney discovered that it is possible to send a crafted sequence of SACKs which will fragment the RACK send map. An attacker may be able to further exploit the fragmented send map...

MGASA-2019-0195 Updated kernel packages fix security vulnerability

This kernel update is based on the upstream 4.14.127 and fixes at least the following security issues: Jonathan Looney discovered that it is possible to send a crafted sequence of SACKs which will fragment the RACK send map. An attacker may be able to further exploit the fragmented send map to...

MGASA-2019-0196 Updated kernel-tmb packages fix security vulnerability

This kernel-tmb update is based on the upstream 4.14.127 and fixes at least the following security issues: Jonathan Looney discovered that it is possible to send a crafted sequence of SACKs which will fragment the RACK send map. An attacker may be able to further exploit the fragmented send map t...

Important kernel security update: New kernel 2.6.32-042stab139.1 for Virtuozzo Containers for Linux 4.7, Server Bare Metal 5.0

This update provides a new kernel 2.6.32-042stab139.1 for Virtuozzo Containers for Linux 4.7 and Server Bare Metal 5.0 based on the RHEL 6.10 kernel 2.6.32-754.15.3.el6. The new kernel inherits security fixes for SACK-related issues in the TCP stack as well as a few improvements for the MDS...

Important kernel security update: New kernel 2.6.32-042stab139.1; Virtuozzo 6.0 Update 12 Hotfix 43 (6.0.12-3743)

This update provides a new kernel 2.6.32-042stab139.1 for Virtuozzo 6.0 based on the RHEL 6.10 kernel 2.6.32-754.15.3.el6. The new kernel inherits security fixes for SACK-related issues in the TCP stack as well as a few improvements for the MDS vulnerability patches. Vulnerability id: CVE-2019-38...

CentOS 6 : kernel (CESA-2019:1488) (SACK Panic) (SACK Slowness)

An update for kernel is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

CentOS 7 : kernel (CESA-2019:1481) (SACK Panic) (SACK Slowness)

An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

SUSE-SU-2019:14089-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 11 SP4 kernel version 3.0.101 was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2019-11477: A sequence of SACKs may have been crafted such that one can trigger an integer overflow, leading to a kernel panic. bsc1137586 -...

SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1536-1) (SACK Panic) (SACK Slowness)

The SUSE Linux Enterprise 12 SP4 kernel was updated to 4.12.14 to receive various security and bugfixes. The following security bugs were fixed : CVE-2019-11477: A sequence of SACKs may have been crafted such that one can trigger an integer overflow, leading to a kernel panic. CVE-2019-11479: An...

SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1534-1) (SACK Panic) (SACK Slowness)

The SUSE Linux Enterprise 12 SP2 kernel version 4.4.121 was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2019-11477: A sequence of SACKs may have been crafted by a remote attacker such that one can trigger an integer overflow, leading to a kernel...

RHEL 6 : kernel (RHSA-2019:1489)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:1489 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: An integer overflow flaw was found in...

SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1527-1) (SACK Panic) (SACK Slowness)

The SUSE Linux Enterprise 12 SP3 kernel was updated to 4.4.180 to receive various security and bugfixes. The following security bugs were fixed : CVE-2019-11477: A sequence of SACKs may have been crafted such that one can trigger an integer overflow, leading to a kernel panic. bsc1137586...

SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2019:1532-1) (SACK Panic) (SACK Slowness)

The SUSE Linux Enterprise 12 SP3 kernel was updated to 4.4.180 to receive various security and bugfixes. The following security bugs were fixed : CVE-2019-11477: A sequence of SACKs may have been crafted such that one can trigger an integer overflow, leading to a kernel panic. CVE-2019-11478: It...

SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2019:1529-1) (SACK Panic) (SACK Slowness)

The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2019-11477: A sequence of SACKs may have been crafted such that one can trigger an integer overflow, leading to a kernel panic. CVE-2019-11478: It was possible to...

Amazon Linux 2 : kernel (ALAS-2019-1222) (SACK Panic) (SACK Slowness)

CVE-2019-11477 , CVE-2019-11478 and CVE-2019-11479 describe vulnerabilities in the Linux kernel that can be remotely exploited using a specially crafted TCP connection, crashing the targeted system. The latest Amazon Linux 2 AMIs as available in AWS EC2 already contain these kernels and are not...

RHEL 6 : kernel (RHSA-2019:1490)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:1490 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: An integer overflow flaw was found in...

SUSE-SU-2019:1536-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP4 kernel was updated to 4.12.14 to receive various security and bugfixes. The following security bugs were fixed: - CVE-2019-11477: A sequence of SACKs may have been crafted such that one can trigger an integer overflow, leading to a kernel panic. - CVE-2019-11479: ...

SUSE-SU-2019:1533-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP1 kernel version 3.12.74 was updated to to receive various security and bugfixes. The following security bugs were fixed: - CVE-2019-11477: A sequence of SACKs may have been crafted by a remote attacker such that one can trigger an integer overflow, leading to a...