OpenSSL, GDK-PixBuf, Squid, Kernel, Dogtag PKI updates for Ubuntu

Ubuntu 7045 Published by Philipp Esselbach 0

Ubuntu released multiple security notices addressing vulnerabilities within OpenSSL, the GDK PixBuf library, Squid, and the Linux kernel across various supported releases. These updates fix flaws that could potentially lead to denial of service attacks or unauthorized code execution on systems ranging from Ubuntu 18.04 LTS through the latest 25.10 version. Specialized kernels for FIPS compliance and systems requiring real time processing also received patches along with fixes for the Dogtag PKI software used in enterprise environments. System administrators need to run standard updates and reboot their computers to ensure all critical security changes are applied correctly.

[USN-8155-1] OpenSSL vulnerabilities
[USN-8156-1] GDK-PixBuf vulnerability
[USN-8157-1] Squid vulnerabilities
[USN-8148-5] Linux kernel vulnerabilities
[USN-8159-2] Linux kernel (FIPS) vulnerabilities
[USN-8159-3] Linux kernel (Real-time) vulnerabilities
[USN-8158-1] Dogtag PKI vulnerability

Linux kernel updates for Ubuntu

Ubuntu 7045 Published by Philipp Esselbach 0

Two Ubuntu security notices released address critical Linux kernel vulnerabilities across multiple distributions. The first notice targets newer systems on versions like 25.10 and 24.04 LTS, patching flaws in Oracle Cloud and Raspberry Pi kernels involving network traffic control and cryptographic APIs. A separate notice covers older systems running Ubuntu 22.04 or 20.04 where ARM64 flaws are fixed alongside those other network security issues. Users must reboot their systems because kernel modules from third parties will require recompilation due to unavoidable application binary interface changes.

[USN-8149-2] Linux kernel vulnerabilities
[USN-8159-1] Linux kernel vulnerabilities

Salt, ADSys, Django updates for Ubuntu

Ubuntu 7045 Published by Philipp Esselbach 0

Three separate security advisories were issued by Ubuntu to fix flaws found in Salt, ADSys, Juju Core, LXD, and Django. Local users on legacy systems like Ubuntu 14.04 LTS face risks from permission handling errors that allow them to retrieve sensitive information through cached data. Multiple older releases like 16.04 and 18.04 require patches for Go Networking issues that might cause servers to hang or run into infinite loops. Newer systems running Django require updates as well because memory copying errors and header verification failures pose significant risks for remote exploitation.

[USN-8153-1] Salt vulnerabilities
[USN-8089-3] ADSys, Juju Core, LXD vulnerabilities
[USN-8154-1] Django vulnerabilities

SPIP, Libarchive, Kernel, Lambdaisland/URI updates for Ubuntu

Ubuntu 7045 Published by Philipp Esselbach 0

Ubuntu issued several security advisories to resolve critical flaws within SPIP, libarchive, and multiple Linux kernel variants. Various Ubuntu releases from version 14.04 to 25.10 received specific patches aimed at preventing code execution or denial of service attacks via malformed archive files. Kernel updates for various distributions require system reboots and often necessitate recompiling third party modules due to unavoidable ABI changes. A final notice addresses a URI sanitization bug in the lambdaisland library that could otherwise enable attackers to bypass security controls on newer platforms.

[USN-8150-1] SPIP vulnerabilities
[USN-8147-1] libarchive vulnerabilities
[USN-8148-4] Linux kernel (Real-time) vulnerabilities
[USN-8145-3] Linux kernel (GCP) vulnerabilities
[USN-8152-1] Linux kernel (OEM) vulnerabilities
[USN-8151-1] lambdaisland/uri vulnerability

Liquorix Linux Kernel 6.19-8 released

Debian 10855 Ubuntu 7045 Published by Philipp Esselbach 0

Liquorix Kernel 6.19-8 swaps four millisecond timeslices for two to make the system feel snappier during heavy loads without manual configuration. Split lock detection is disabled by default while tweaks to the Ondemand governor allow CPU frequency to ramp up faster when applications launch. Gamers and audio pros will appreciate the focus on responsiveness even if it means higher power consumption on laptops. The install script makes getting this kernel easy but users should expect reduced battery life as part of the deal for better frame times.

Liquorix Linux Kernel 6.19-7 released

Debian 10855 Ubuntu 7045 Arch Linux 949 Published by Philipp Esselbach 0

The latest Liquorix Kernel 6.19-7 update targets gamers and creators by prioritizing responsiveness over raw throughput for background tasks. Technical tweaks include switching block layer schedulers to kyber while tightening CPU frequency thresholds to ensure cores ramp up faster during spikes. Getting this kernel installed is simple via a provided script for Debian or Ubuntu systems though users must accept that split lock detection turns off to reduce overhead. Enthusiasts chasing lower frame time deviations will likely appreciate the aggressive preemption settings even if they introduce some stability risks.

XanMod Kernel 6.19.11 and 6.18.21 LTS released

Debian 10855 Ubuntu 7045 Published by Philipp Esselbach 0

XanMod has released new kernel versions targeting Debian-based distributions with aggressive performance tuning for heavy workloads and gaming scenarios. These builds include advanced schedulers and network optimizations like BBRv3 to reduce latency, though they demand specific hardware instruction set support to function correctly. Users must install external dependencies for DKMS modules before updating or risk breaking proprietary drivers like NVIDIA during the transition process. While the performance gains are noticeable, this path remains best suited for enthusiasts willing to troubleshoot potential compatibility issues rather than those needing guaranteed enterprise stability.

Undertow, Kernel, Libjxl, Cairo updates for Ubuntu Linux

Ubuntu 7045 Published by Philipp Esselbach 0

Ubuntu released a series of security notices to address vulnerabilities affecting multiple operating system versions. While some updates fix memory management flaws in libraries like Undertow and Cairo, others resolve critical kernel issues that could allow attackers to compromise the entire system. Administrators running real-time or FIPS configurations will need to apply specific package updates depending on their architecture and cloud provider environment. A final note warns that several kernel changes involve an unavoidable ABI shift which necessitates recompiling third party modules before rebooting the machine.

[USN-8144-1] Undertow vulnerability
[USN-8148-3] Linux kernel (Real-time) vulnerabilities
[USN-8145-2] Linux kernel (FIPS) vulnerabilities
[USN-8143-2] Linux kernel (FIPS) vulnerabilities
[USN-8148-2] Linux kernel (FIPS) vulnerabilities
[USN-8146-1] libjxl vulnerability
[USN-8140-1] Cairo vulnerabilities
[USN-8148-1] Linux kernel vulnerabilities
[USN-8149-1] Linux kernel vulnerabilities
[USN-8145-1] Linux kernel vulnerabilities

Ruby, Go, Tar-RS, Cargo-C, Kernel updates for Ubuntu

Ubuntu 7045 Published by Philipp Esselbach 0

Ubuntu Linux has released a new set of security updates addressing critical flaws across several software packages. This update covers Ruby and Go networking issues alongside tools such as tar-rs and cargo-c. Most importantly, the bulk of these security notices target the Linux kernel directly and include critical fixes for Raspberry Pi hardware configurations.

[USN-8137-1] Ruby vulnerability
[USN-8089-2] Go Networking vulnerabilities
[USN-8138-1] tar-rs vulnerability
[USN-8139-1] cargo-c vulnerability
[USN-8143-1] Linux kernel vulnerabilities
[USN-8142-1] Linux kernel vulnerability
[USN-8095-5] Linux kernel (Raspberry Pi) vulnerabilities
[USN-8141-1] Linux kernel (Raspberry Pi) vulnerabilities
[USN-8094-5] Linux kernel (Raspberry Pi) vulnerabilities

Pyasn1, ImageMagick, Pillow, Dovecot updates for Ubuntu

Ubuntu 7045 Published by Philipp Esselbach 0

Ubuntu has published security notices addressing critical flaws in several popular libraries used across many operating system versions. The pyasn1 update resolves a specific issue where decoding malformed certificates could exhaust system resources and crash the server. ImageMagick received a larger set of patches because attackers might exploit memory handling errors to execute arbitrary code or cause denial of service on supported systems. Finally, users must also upgrade Pillow and Dovecot to fix vulnerabilities involving memory safety issues and authentication bypasses found on various supported platforms including older LTS releases.

[USN-8134-1] pyasn1 vulnerabilities
[USN-8127-1] ImageMagick vulnerabilities
[USN-8135-1] Pillow vulnerabilities
[USN-8136-1] Dovecot vulnerabilities

GStreamer Base Plugins, Pyasn1, Roundcube, PyJWT updates for Ubuntu

Ubuntu 7045 Published by Philipp Esselbach 0

Ubuntu released five security notices addressing vulnerabilities in GStreamer plugins and Python libraries like PyJWT. Attackers could leverage these flaws to execute arbitrary code or bypass authentication checks through specially crafted files and input data. Numerous legacy versions of Roundcube Webmail also received patches for issues including cross site scripting attacks that might leak sensitive information from encrypted messages.

[USN-8130-1] GStreamer Base Plugins vulnerability
[USN-8129-1] pyasn1 vulnerability
[USN-8131-1] GStreamer Good Plugins vulnerabilities
[USN-8132-1] Roundcube Webmail vulnerabilities
[USN-8133-1] PyJWT vulnerability

Liquorix Linux Kernel 6.19-6 released

Debian 10855 Ubuntu 7045 Arch Linux 949 Published by Philipp Esselbach 0

The new Liquorix Kernel 6.19 release is built for gamers and audio pros who need low latency instead of maximum power efficiency. Technical tweaks reduce the PDS scheduling timeslice to 2 ms while turning off split lock detection to prevent unnecessary slowdowns on specific setups. Expect a hit to battery life because the system will aggressively preempt tasks to keep frame times consistent under load. Installing this kernel means using a curl command instead of your usual package manager, which makes creating a backup of your current boot setup a mandatory step.

Linux Kernel (IBM) update for Ubuntu 18.04 LTS

Ubuntu 7045 Published by Philipp Esselbach 0

A recent security notice details critical vulnerabilities found within the Linux kernel used by Ubuntu 18.04 LTS systems on IBM cloud infrastructure. Qualys identified flaws in AppArmor and other subsystems that could let local attackers escalate privileges or escape containers entirely. Administrators are advised to install updated package versions immediately, though a system reboot will be necessary to apply the fixes fully. Keep in mind that third-party kernel modules might break due to an ABI change requiring recompilation after this upgrade process completes.

[USN-8098-9] Linux kernel (IBM) vulnerabilities

Ubuntu Linux 26.04 LTS Beta released

Ubuntu 7045 Published by Philipp Esselbach 0

The Ubuntu team has released the beta version of 26.04 LTS, known as Resolute Raccoon, with a final launch scheduled for April 2026. The system now runs on a 7.0 kernel while the new Subiquity installer finally provides a comfortable live session for server users. Anyone attempting an upgrade should back up their data and test in a virtual machine since beta software often breaks file managers or requires driver tweaks. Production environments need to wait until the official release while testers can help squash bugs before the stable version ships.

CryptX update for Ubuntu

Ubuntu 7045 Published by Philipp Esselbach 0

Ubuntu released a security notice addressing multiple vulnerabilities in the CryptX Perl cryptography module across several long-term support releases. The issues include missing authentication tag verification during decryption operations that could allow attackers to accept modified ciphertext, plus problems with malformed unicode handling and an integer overflow vulnerability. Two of these flaws specifically impact Ubuntu 18.04 LTS while the integer overflow affects all listed versions including 24.04, 22.04, and 20.04.

[USN-8128-1] CryptX vulnerabilities

Kernel, Bind, Mbed TLS updates for Ubuntu

Ubuntu 7045 Published by Philipp Esselbach 0

Ubuntu published security notices that address critical vulnerabilities across Linux kernel releases intended for cloud systems. These patches fix AppArmor flaws allowing attackers to manipulate profiles or escalate privileges, while also correcting network stack and file system errors. Additional updates target the Bind9 DNS software and Mbed TLS library regarding memory corruption issues that could lead to denial of service scenarios.

[USN-8098-8] Linux kernel (Azure FIPS) vulnerabilities
[USN-8098-7] Linux kernel (Azure) vulnerabilities
[USN-8124-1] Bind vulnerabilities
[USN-8126-1] Linux kernel (Azure) vulnerabilities
[USN-8125-1] Linux kernel (Azure) vulnerabilities
[USN-8094-4] Linux kernel (Azure) vulnerabilities
[USN-8123-1] Mbed TLS vulnerabilities

XanMod Kernel 6.19.10 and 6.18.20 LTS released

Debian 10855 Ubuntu 7045 Published by Philipp Esselbach 0

XanMod delivers a snappier desktop experience by defaulting to optimizations like LLVM ThinLTO and Google's BBRv3 TCP control. Setting up the system requires adding the official repository or manually installing .deb files from SourceForge for those avoiding third-party sources. NVIDIA owners need to select specific driver versions based on their GPU architecture or face a black screen upon rebooting into the new kernel. Power users willing to troubleshoot module conflicts will find the performance gains worth the extra setup time.

Liquorix Linux Kernel 6.19-5 released

Debian 10855 Ubuntu 7045 Arch Linux 949 Published by Philipp Esselbach 0

The Liquorix Kernel 6.19-5 drops a specialized Linux build focused on cutting latency for gaming and audio work instead of saving battery life. Running the installation script via terminal fetches the necessary packages and configures the system for low latency without manual compilation or extra setup steps. Expect snappier performance from aggressive CPU scheduling and disk I/O tweaks but be prepared for increased power consumption during heavy loads. A manual GRUB selection might be needed after rebooting to ensure the new kernel loads correctly since it replaces the standard distribution version.

Linux Kernel, Redis, PJSIP updates for Ubuntu

Ubuntu 7045 Published by Philipp Esselbach 0

Ubuntu released ten security notices to patch Linux kernels and cloud distributions. Affected systems span a long timeline ranging from the very legacy Ubuntu 14.04 LTS release all the way through the much newer version 24.04 LTS currently available for enterprise use. The updates address serious threats involving AppArmor profile manipulation and memory errors which might lead to privilege escalation or denial of service conditions. Users should apply these updates immediately since many require a system reboot while some ABI changes demand recompilation of third party kernel modules.

[USN-8112-4] Linux kernel (Azure FIPS) vulnerabilities
[USN-8112-3] Linux kernel (Azure) vulnerabilities
[USN-8059-9] Linux kernel (Azure FIPS) vulnerabilities
[USN-8098-4] Linux kernel vulnerabilities
[USN-8098-6] Linux kernel (FIPS) vulnerabilities
[USN-8098-5] Linux kernel vulnerabilities
[USN-8120-1] Redis vulnerability
[USN-8112-5] Linux kernel (Azure) vulnerabilities
[USN-8121-1] Linux kernel (AWS FIPS) vulnerability
[USN-8122-1] PJSIP vulnerabilities

Net-CIDR, Debian Goodies, LibTIFF, and more updates for Ubuntu

Ubuntu 7045 Published by Philipp Esselbach 0

Recent security advisories address vulnerabilities across multiple Ubuntu releases. Attackers could potentially exploit vulnerabilities in specific tools like LibTIFF or strongSwan to crash critical services or gain unauthorized access depending on the software description provided within each advisory document. Major updates are available for the Linux kernel targeting a diverse set of architectures and subsystems ranging from AWS instances all the way to NVIDIA graphics hardware platforms specifically.

[USN-8110-1] Net-CIDR vulnerability
[USN-8109-1] Debian Goodies vulnerability
[USN-8113-1] LibTIFF vulnerabilities
[USN-8116-1] Linux kernel (Intel IoTG Real-time) vulnerabilities
[USN-8096-5] Linux kernel (NVIDIA Tegra IGX) vulnerabilities
[USN-8095-4] Linux kernel (AWS) vulnerabilities
[USN-8114-1] GVfs vulnerabilities
[USN-8115-1] pyOpenSSL vulnerabilities
[USN-8119-2] systemd vulnerabilities
[USN-8119-1] systemd vulnerabilities
[USN-8094-3] Linux kernel (Real-time) vulnerabilities
[USN-8117-1] strongSwan vulnerability
[USN-8118-1] sized-chunks vulnerabilities

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