Security Advisory 2020-12-09-1 - Linux kernel - ICMP rate limiting can be used to facilitate DNS poisoning attack (CVE-2020-25705)

DESCRIPTION A flaw has been found in the ICMP rate limiting algorithm of the Linux kernel. This flaw allows an off-path attacker to quickly determine open ephemeral ports that are used by applications making outbound connections. This can be exploited by an off-path attacker to more easily perfor...

SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3326-1)

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bug fixes. The following security bugs were fixed : CVE-2020-25656: Fixed a concurrency use-after-free in vtdokdgkbioctl bnc1177766. CVE-2020-25285: Fixed a race condition between hugetlb sysctl handlers in...

SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3651-1)

This update for the Linux Kernel 4.4.180-94121 fixes several issues. The following security issues were fixed : CVE-2020-25668: Fixed a concurrency use-after-free in confontop bsc1178622. CVE-2020-8694: Fixed an insufficient access control in the Linux kernel driver for some IntelR Processors whi...

SUSE SLES15 Security Update : kernel (SUSE-SU-2020:3513-1)

The SUSE Linux Enterprise 15 SP1 RT kernel was updated to receive various security and bug fixes. The following security bugs were fixed : CVE-2020-25705: A flaw in the way reply ICMP packets are limited in was found that allowed to quickly scan open UDP ports. This flaw allowed an off-path remot...

openSUSE Security Update : the Linux Kernel (openSUSE-2020-2161)

The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2020-29369: There was a race condition between certain expand functions expanddownwards and expandupwards and page-table free operations from an munmap call, aka...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2020:2161-1 Rating: important References: 1149032 1152489 1153274 1154353 1155518 1160634 1167773 1170139 1171073 1171558 1172873 1173504 1174852 1175721 1175918 1176109 1176180 1176200 1176481 1176586...

OPENSUSE-SU-2020:2161-1 Security update for the Linux Kernel

The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-29369: There was a race condition between certain expand functions expanddownwards and expandupwards and page-table free operations from an munmap call, aka...

USN-4658-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the binder IPC implementation in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-0423 Daniele Antonioli, Nils Ole...

Ubuntu 20.10 : Linux kernel vulnerabilities (USN-4659-1)

The remote Ubuntu 20.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4659-1 advisory. Several security issues were fixed in the Linux kernel. Tenable has extracted the preceding description block directly from the Ubuntu security advisory. Not...

Ubuntu: Security Advisory (USN-4657-1)

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: Security Advisory (USN-4659-1)

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...

openSUSE Security Update : the Linux Kernel (openSUSE-2020-2034)

The openSUSE Leap 15.1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2020-28915: A buffer over-read at the framebuffer layer in the fbcon code could be used by local attackers to read kernel memory, aka CID-6735b4632def bnc1178886. -...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2020:2112-1 Rating: important References: 1055014 1055186 1061843 1065600 1065729 1066382 1077428 1129923 1134760 1149032 1152489 1155798 1163592 1164648 1165692 1166146 1166166 1167030 1168468 1170415...

Vulnerability fixed in DNS implementations

Researchers have discovered a vulnerability in a number of DNS implementations. The researchers have named the vulnerability SAD DNS, an acronymmm for Side-channel AttackeD DNS. This vulnerability has since been given CVE attribute CVE-2020-25705. The vulnerability allows a malicious party to rou...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2020:2034-1 Rating: important References: 1050549 1067665 1170630 1172873 1175306 1175721 1176855 1176983 1177397 1177703 1177819 1177820 1178182 1178393 1178589 1178686 1178765 1178782 1178838 1178853...

SUSE-SU-2020:3522-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP2 realtime kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-25705: A flaw in the way reply ICMP packets are limited in was found that allowed to quickly scan open UDP ports. This flaw allowed an off-path...

SUSE-SU-2020:3513-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP1 RT kernel was updated to receive various security and bug fixes. The following security bugs were fixed: - CVE-2020-25705: A flaw in the way reply ICMP packets are limited in was found that allowed to quickly scan open UDP ports. This flaw allowed an off-path remo...

SUSE-SU-2020:3503-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various security and bug fixes. The following security bugs were fixed: - CVE-2020-25705: A flaw in the way reply ICMP packets are limited in was found that allowed to quickly scan open UDP ports. This flaw allowed an off-path remote...

SUSE-SU-2020:3484-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP1 Azure kernel was updated to receive various security and bug fixes. The following security bugs were fixed: - CVE-2020-25705: A flaw in the way reply ICMP packets are limited in was found that allowed to quickly scan open UDP ports. This flaw allowed an off-path...

Photon OS 1.0: Linux PHSA-2020-1.0-0338

An update of the linux package has been released. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2020-1.0-0338. The text itself is copyright C VMware, Inc. include'compat.inc'; if description scriptid143065...