Important: kernel-livepatch-4.14.177-139.254

Issue Overview: A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isn't correctly routing tunneled data over the encrypted link; rather sending...

Important: kernel-livepatch-4.14.173-137.228

Issue Overview: A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isn't correctly routing tunneled data over the encrypted link; rather sending...

A zero-day guide for 2020: Recent attacks and advanced preventive techniques

Zero-day vulnerabilities enable threat actors to take advantage of security blindspots. Typically, a zero-day attack involves the identification of zero-day vulnerabilities, creating relevant exploits, identifying vulnerable systems, and planning the attack. The next steps are infiltration and...

CVE-2020-10769

A buffer over-read flaw was found in cryptoauthencextractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash...

About the security content of iOS 13.3.1 and iPadOS 13.3.1 - Apple Support

About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page. Apple security documents reference...

About the security content of tvOS 13.3.1 - Apple Support

About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page. Apple security documents reference...

USN-4390-1: Linux kernel vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Description It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose...

SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1486-1)

This update for the Linux Kernel 4.4.121-92129 fixes several issues. The following security issues were fixed : CVE-2020-12653: Fixed a buffer overflow in mwifiexcmdappendvsietlv which could have allowed local users to gain privileges or cause a denial of service bsc1171254. CVE-2020-12654: Fixed...

USN-4391-1: Linux kernel vulnerabilities

It was discovered that the ext4 file system implementation in the Linux kernel did not properly handle setxattr operations in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2019-19319 It was discovered that memory...

USN-4390-1: Linux kernel vulnerabilities

It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose sensitive information kernel memory. CVE-2020-0067 It was discovered that memory contents...

USN-4390-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose sensitive information kernel memory. CVE-2020-0067 It was discovered that memory contents...

Ubuntu: Security Advisory (USN-4390-1)

The remote host is missing an update for the 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 ifdescription...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4388-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4388-1 advisory. It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4390-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4390-1 advisory. It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-4391-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4391-1 advisory. It was discovered that the ext4 file system implementation in the Linux kernel did not properly handle setxattr operations in some situations. A local...

USN-4388-1: Linux kernel vulnerabilities

It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose sensitive information kernel memory. CVE-2020-0067 It was discovered that memory contents...

Amazon Linux 2 : kernel (ALAS-2020-1431)

The version of kernel installed on the remote host is prior to 4.14.181-140.257. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1431 advisory. In the Linux kernel 5.0.21, a setxattr operation, after a mount of a crafted ext4 image, can cause a slab-...

Amazon Linux AMI : kernel (ALAS-2020-1377)

The version of kernel installed on the remote host is prior to 4.14.181-108.257. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1377 advisory. In the Linux kernel 5.0.21, a setxattr operation, after a mount of a crafted ext4 image, can cause a slab-...

CVE-2020-3220

A vulnerability in the hardware crypto driver of Cisco IOS XE Software for Cisco 4300 Series Integrated Services Routers and Cisco Catalyst 9800-L Wireless Controllers could allow an unauthenticated, remote attacker to disconnect legitimate IPsec VPN sessions to an affected device. The...

Design/Logic Flaw

A vulnerability in the hardware crypto driver of Cisco IOS XE Software for Cisco 4300 Series Integrated Services Routers and Cisco Catalyst 9800-L Wireless Controllers could allow an unauthenticated, remote attacker to disconnect legitimate IPsec VPN sessions to an affected device. The...