2022 0-day In-the-Wild Exploitation…so far

Posted by Maddie Stone, Google Project Zero This blog post is an overview of a talk, “ 0-day In-the-Wild Exploitation in 2022…so far”, that I gave at the FIRST conference in June 2022. The slides are available here. For the last three years, we’ve published annual year-in-review reports of 0-days...

Important: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: buffer overflow in IPsec ESP transformation code CVE-2022-27666 kernel: out-of-bounds read in fbcongetfont function CVE-2020-28915 For more details about the security issues, including th...

kernel security and bug fix update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

USN-5487-3 apache2 regression

USN-5487-1 fixed several vulnerabilities in Apache HTTP Server. Unfortunately it caused regressions. USN-5487-2 reverted the patches that caused the regression in Ubuntu 14.04 ESM for further investigation. This update re-adds the security fixes for Ubuntu 14.04 ESM and fixes two different...

USN-5487-2: Apache HTTP Server regression

USN-5487-1 fixed several vulnerabilities in Apache. Unfortunately, that update introduced a regression when proxying balancer manager connections in some configurations on Ubuntu 14.04 ESM. This update reverts those changes till further fix. We apologize for the inconvenience. Original advisory...

USN-5487-2 apache2 regression

USN-5487-1 fixed several vulnerabilities in Apache. Unfortunately, that update introduced a regression when proxying balancer manager connections in some configurations on Ubuntu 14.04 ESM. This update reverts those changes till further fix. We apologize for the inconvenience. Original advisory...

SUSE: Security Advisory (SUSE-SU-2022:2038-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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 Advisory for grub2 (SUSE-SU-2022:2035-1)

The remote host is missing an update for the Copyright C 2022 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 program is free software; you can...

OPENSUSE-SU-2022:10007-1 Security update for caddy

This update for caddy fixes the following issues: Update to version 2.5.1: Fixed regression in Unix socket admin endpoints. Fixed regression in caddy trust commands. Hash-based load balancing policies iphash, urihash, header, and cookie use an improved highest-random-weight HRW algorithm for...

RHEL 8 : kernel-rt (RHSA-2022:4835)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:4835 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

RHEL 8 : kernel (RHSA-2022:4829)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:4829 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: buffer overflow in IPsec ESP...

USN-5395-2: networkd-dispatcher regression | Cloud Foundry

Severity High Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Description USN-5395-1 fixed vulnerabilities in networkd-dispatcher. Unfortunately that update was incomplete and could introduce a regression. This update fixes the problem. We apologize for the inconvenience. Origina...

USN-5376-3: Git regression | Cloud Foundry

Severity Unknown Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Description USN-5376-1 fixed vulnerabilities in Git, some patches were missing to properly fix the issue. This update fixes the problem. Original advisory details: 俞晨东 discovered that Git incorrectly handled certain...

Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.15.41 and fixes at least the following security issues: A flaw was found in unrestricted eBPF usage by the BPFBTFLOAD, leading to a possible out-of-bounds memory write in the Linux kernel BPF subsystem due to the way a user loads BTF. This flaw allows a...

SUSE-SU-2022:1730-1 Security update for libslirp

This update for libslirp fixes the following issues: - CVE-2021-3592: Fixed invalid pointer initialization may lead to information disclosure bootp bsc1187364. - CVE-2021-3594: Fixed invalid pointer initialization may lead to information disclosure udp bsc1187367. - CVE-2021-3595: Fixed invalid...

USN-5311-2 containerd regression

USN-5311-1 released updates for contained. Unfortunately, a subsequent update reverted the fix for this CVE by mistake. This update corrects the problem. We apologize for the inconvenience. Original advisory details: It was discovered that containerd allows attackers to gain access to read- only...

GHSA-9HG2-395J-83RM Expected Behavior Violation in Apache Tomcat

In Apache Tomcat 9.0.0.M1 to 9.0.0.M18 and 8.5.0 to 8.5.12, the refactoring of the HTTP connectors introduced a regression in the send file processing. If the send file processing completed quickly, it was possible for the Processor to be added to the processor cache twice. This could result in t...

Expected Behavior Violation in Apache Tomcat

In Apache Tomcat 9.0.0.M1 to 9.0.0.M18 and 8.5.0 to 8.5.12, the refactoring of the HTTP connectors introduced a regression in the send file processing. If the send file processing completed quickly, it was possible for the Processor to be added to the processor cache twice. This could result in t...

OpenStack Nova DoS by rebuilding the same instance with a new image multiple times

An issue was discovered in the default FilterScheduler in OpenStack Nova 16.0.3. By repeatedly rebuilding an instance with new images, an authenticated user may consume untracked resources on a hypervisor host leading to a denial of service, aka doubled resource allocations. This regression was...

OpenStack Nova Filter Scheduler Bypass

In OpenStack Nova through 14.0.9, 15.x through 15.0.7, and 16.x through 16.0.2, by rebuilding an instance, an authenticated user may be able to circumvent the Filter Scheduler bypassing imposed filters for example, the ImagePropertiesFilter or the IsolatedHostsFilter. All setups using Nova Filter...