USN-4680-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that debugfs in the Linux kernel as used by blktrace contained a use-after-free in some situations. A privileged local attacker could possibly use this to cause a denial of service system crash. CVE-2019-19770 It was discovered that a race condition existed in the binder IPC...

kernel security and bug fix update

4.18.0-240.10.13.OL8 - Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and shim-x6...

SUSE SLES15 Security Update : kernel (SUSE-SU-2020:3764-1)

The SUSE Linux Enterprise 15 SP2 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-15436: Fixed a use after free vulnerability in fs/blockdev.c which could have allowed local users to gain privileges or cause a denial of service...

USN-4658-2: Linux kernel regression

USN-4658-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with fstrim that could lead to data corruption. This update fixes the problem. Original advisory details: It was discovered that a race condition existe...

USN-4659-2: Linux kernel regression

USN-4659-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with fstrim that could lead to data corruption. This update fixes the problem. Original advisory details: It was discovered that a race condition existe...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel regression (USN-4658-2)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4658-2 advisory. USN-4658-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with...

CVE-2020-17441

An issue was discovered in picoTCP 1.7.0. The code for processing the IPv6 headers does not validate whether the IPv6 payload length field is equal to the actual size of the payload, which leads to an Out-of-Bounds read during the ICMPv6 checksum calculation, resulting in either Denial-of-Service...

CVE-2020-25705

A flaw in the way reply ICMP packets are limited in the Linux kernel functionality was found that allows to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypassing source port UDP randomization. The highest threat from this vulnerability is to confidentialit...

SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3501-1)

The SUSE Linux Enterprise 12 SP2 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...

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 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...

USN-4659-1: 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...

USN-4657-1: Linux kernel vulnerabilities

Elena Petrova discovered that the pin controller device tree implementation in the Linux kernel did not properly handle string references. A local attacker could use this to expose sensitive information kernel memory. CVE-2020-0427 Daniele Antonioli, Nils Ole Tippenhauer, and Kasper Rasmussen...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-4658-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4658-1 advisory. It was discovered that a race condition existed in the binder IPC implementation in the Linux kernel, leading to a use-after-free...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-4657-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4657-1 advisory. Elena Petrova discovered that the pin controller device tree implementation in the Linux kernel did not properly handle string references. A local attack...

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...

SUSE-SU-2020:3507-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP1 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 remote...

CVE-2020-25705

A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Bas...

Design/Logic Flaw

A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Bas...