AlmaLinux Kernel Security Update: 5.14.0-570.52.1.el9_6
Hey everyone! A new kernel security update is available for AlmaLinux, specifically version 5.14.0-570.52.1.el9_6. This update addresses several moderate severity security issues, so it's crucial to get this installed to keep your systems safe and sound. Let's dive into what this update brings and why it's important.
What's in This Kernel Update?
This kernel security update includes fixes for multiple vulnerabilities, ensuring your AlmaLinux system remains secure. The update focuses on addressing issues that could potentially be exploited by attackers. Below, I’ll break down each of the key security fixes included in this release.
Key Security Fixes
-
CVE-2025-38556: HID Core - Harden s32ton()
- This fix addresses a vulnerability in the Human Interface Device (HID) core. The
s32ton()
function was susceptible to issues when converting to 0 bits, potentially leading to unexpected behavior or security exploits. By hardening this function, the kernel becomes more resilient against such attacks. The HID core is a critical component that handles input devices like keyboards and mice, so this update is essential for maintaining system stability and security.
- This fix addresses a vulnerability in the Human Interface Device (HID) core. The
-
CVE-2025-38614: Eventpoll - Fix Semi-Unbounded Recursion
- The
eventpoll
subsystem had a vulnerability related to semi-unbounded recursion. This flaw could allow an attacker to trigger excessive recursion, potentially leading to a denial-of-service (DoS) condition. This update patches this issue, preventing attackers from exploiting this recursion vulnerability and ensuring that your system remains responsive and available. The eventpoll mechanism is used for efficient monitoring of file descriptors, making this a vital fix for system performance and security.
- The
-
CVE-2025-39757: ALSA USB-Audio - Validate UAC3 Cluster Segment Descriptors
- This security fix is related to the Advanced Linux Sound Architecture (ALSA) subsystem, specifically the USB-audio component. The vulnerability involves the validation of UAC3 cluster segment descriptors. By properly validating these descriptors, the kernel can prevent potential buffer overflows or other memory-related issues that could be exploited. If you're using USB audio devices, this update is particularly important for ensuring the integrity of your audio subsystem. ALSA is the backbone of audio handling in Linux, so keeping it secure is paramount.
-
CVE-2023-53373: Crypto: SeqIV - Handle EBUSY Correctly
- This fix deals with an issue in the cryptographic subsystem, specifically related to SeqIV (Sequential Initialization Vector) handling. The kernel was not correctly handling the EBUSY error, which could lead to potential race conditions or other issues. By addressing this, the kernel's cryptographic functions become more robust and reliable. Given the importance of cryptographic operations in securing data and communications, this fix is a critical part of the update.
Impact of These Security Fixes
These security fixes are categorized as moderate severity, which means they address issues that could potentially be exploited under certain conditions. While they may not be as critical as high-severity vulnerabilities, it's still important to apply these updates promptly. Exploiting these vulnerabilities could lead to:
- Denial-of-Service (DoS): Attackers might be able to crash or destabilize your system.
- Information Disclosure: Sensitive information could potentially be leaked.
- Privilege Escalation: Attackers might gain elevated privileges on your system.
By applying this kernel update, you significantly reduce the risk of these scenarios, ensuring that your AlmaLinux system remains secure and stable. It’s always better to be proactive when it comes to security, so don't delay in getting this update installed!
Affected Packages
This update includes a wide range of kernel packages that need to be updated. Here’s a comprehensive list of the affected packages:
kernel-5.14.0-570.52.1.el9_6.x86_64
kernel-abi-stablelists-5.14.0-570.52.1.el9_6.noarch
kernel-core-5.14.0-570.52.1.el9_6.x86_64
kernel-debug-5.14.0-570.52.1.el9_6.x86_64
kernel-debug-core-5.14.0-570.52.1.el9_6.x86_64
kernel-debug-devel-5.14.0-570.52.1.el9_6.x86_64
kernel-debug-devel-matched-5.14.0-570.52.1.el9_6.x86_64
kernel-debug-modules-5.14.0-570.52.1.el9_6.x86_64
kernel-debug-modules-core-5.14.0-570.52.1.el9_6.x86_64
kernel-debug-modules-extra-5.14.0-570.52.1.el9_6.x86_64
kernel-debug-uki-virt-5.14.0-570.52.1.el9_6.x86_64
kernel-devel-5.14.0-570.52.1.el9_6.x86_64
kernel-devel-matched-5.14.0-570.52.1.el9_6.x86_64
kernel-doc-5.14.0-570.52.1.el9_6.noarch
kernel-headers-5.14.0-570.52.1.el9_6.x86_64
kernel-modules-5.14.0-570.52.1.el9_6.x86_64
kernel-modules-core-5.14.0-570.52.1.el9_6.x86_64
kernel-modules-extra-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-core-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-debug-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-debug-core-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-debug-devel-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-debug-kvm-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-debug-modules-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-debug-modules-core-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-debug-modules-extra-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-devel-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-kvm-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-modules-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-modules-core-5.14.0-570.52.1.el9_6.x86_64
kernel-rt-modules-extra-5.14.0-570.52.1.el9_6.x86_64
kernel-tools-5.14.0-570.52.1.el9_6.x86_64
kernel-tools-libs-5.14.0-570.52.1.el9_6.x86_64
kernel-uki-virt-5.14.0-570.52.1.el9_6.x86_64
kernel-uki-virt-addons-5.14.0-570.52.1.el9_6.x86_64
perf-5.14.0-570.52.1.el9_6.x86_64
python3-perf-5.14.0-570.52.1.el9_6.x86_64
rtla-5.14.0-570.52.1.el9_6.x86_64
rv-5.14.0-570.52.1.el9_6.x86_64
kernel-5.14.0-570.52.1.el9_6.s390x
kernel-core-5.14.0-570.52.1.el9_6.s390x
kernel-debug-5.14.0-570.52.1.el9_6.s390x
kernel-debug-core-5.14.0-570.52.1.el9_6.s390x
kernel-debug-devel-5.14.0-570.52.1.el9_6.s390x
kernel-debug-devel-matched-5.14.0-570.52.1.el9_6.s390x
kernel-debug-modules-5.14.0-570.52.1.el9_6.s390x
kernel-debug-modules-core-5.14.0-570.52.1.el9_6.s390x
kernel-debug-modules-extra-5.14.0-570.52.1.el9_6.s390x
kernel-devel-5.14.0-570.52.1.el9_6.s390x
kernel-devel-matched-5.14.0-570.52.1.el9_6.s390x
kernel-headers-5.14.0-570.52.1.el9_6.s390x
kernel-modules-5.14.0-570.52.1.el9_6.s390x
kernel-modules-core-5.14.0-570.52.1.el9_6.s390x
kernel-modules-extra-5.14.0-570.52.1.el9_6.s390x
kernel-tools-5.14.0-570.52.1.el9_6.s390x
kernel-zfcpdump-5.14.0-570.52.1.el9_6.s390x
kernel-zfcpdump-core-5.14.0-570.52.1.el9_6.s390x
kernel-zfcpdump-devel-5.14.0-570.52.1.el9_6.s390x
kernel-zfcpdump-devel-matched-5.14.0-570.52.1.el9_6.s390x
kernel-zfcpdump-modules-5.14.0-570.52.1.el9_6.s390x
kernel-zfcpdump-modules-core-5.14.0-570.52.1.el9_6.s390x
kernel-zfcpdump-modules-extra-5.14.0-570.52.1.el9_6.s390x
perf-5.14.0-570.52.1.el9_6.s390x
python3-perf-5.14.0-570.52.1.el9_6.s390x
rtla-5.14.0-570.52.1.el9_6.s390x
rv-5.14.0-570.52.1.el9_6.s390x
kernel-5.14.0-570.52.1.el9_6.ppc64le
kernel-core-5.14.0-570.52.1.el9_6.ppc64le
kernel-debug-5.14.0-570.52.1.el9_6.ppc64le
kernel-debug-core-5.14.0-570.52.1.el9_6.ppc64le
kernel-debug-devel-5.14.0-570.52.1.el9_6.ppc64le
kernel-debug-devel-matched-5.14.0-570.52.1.el9_6.ppc64le
kernel-debug-modules-5.14.0-570.52.1.el9_6.ppc64le
kernel-debug-modules-core-5.14.0-570.52.1.el9_6.ppc64le
kernel-debug-modules-extra-5.14.0-570.52.1.el9_6.ppc64le
kernel-devel-5.14.0-570.52.1.el9_6.ppc64le
kernel-devel-matched-5.14.0-570.52.1.el9_6.ppc64le
kernel-headers-5.14.0-570.52.1.el9_6.ppc64le
kernel-modules-5.14.0-570.52.1.el9_6.ppc64le
kernel-modules-core-5.14.0-570.52.1.el9_6.ppc64le
kernel-modules-extra-5.14.0-570.52.1.el9_6.ppc64le
kernel-tools-5.14.0-570.52.1.el9_6.ppc64le
kernel-tools-libs-5.14.0-570.52.1.el9_6.ppc64le
perf-5.14.0-570.52.1.el9_6.ppc64le
python3-perf-5.14.0-570.52.1.el9_6.ppc64le
rtla-5.14.0-570.52.1.el9_6.ppc64le
rv-5.14.0-570.52.1.el9_6.ppc64le
kernel-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-core-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-debug-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-debug-core-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-debug-devel-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-debug-devel-matched-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-debug-modules-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-debug-modules-core-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-debug-modules-extra-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-devel-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-devel-matched-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-modules-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-modules-core-5.14.0-570.52.1.el9_6.aarch64
kernel-64k-modules-extra-5.14.0-570.52.1.el9_6.aarch64
kernel-core-5.14.0-570.52.1.el9_6.aarch64
kernel-debug-5.14.0-570.52.1.el9_6.aarch64
kernel-debug-core-5.14.0-570.52.1.el9_6.aarch64
kernel-debug-devel-5.14.0-570.52.1.el9_6.aarch64
kernel-debug-devel-matched-5.14.0-570.52.1.el9_6.aarch64
kernel-debug-modules-5.14.0-570.52.1.el9_6.aarch64
kernel-debug-modules-core-5.14.0-570.52.1.el9_6.aarch64
kernel-debug-modules-extra-5.14.0-570.52.1.el9_6.aarch64
kernel-devel-5.14.0-570.52.1.el9_6.aarch64
kernel-devel-matched-5.14.0-570.52.1.el9_6.aarch64
kernel-headers-5.14.0-570.52.1.el9_6.aarch64
kernel-modules-5.14.0-570.52.1.el9_6.aarch64
kernel-modules-core-5.14.0-570.52.1.el9_6.aarch64
kernel-modules-extra-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-64k-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-64k-core-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-64k-debug-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-64k-debug-core-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-64k-debug-devel-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-64k-debug-modules-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-64k-debug-modules-core-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-64k-debug-modules-extra-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-64k-devel-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-64k-modules-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-64k-modules-core-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-64k-modules-extra-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-core-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-debug-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-debug-core-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-debug-devel-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-debug-modules-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-debug-modules-core-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-debug-modules-extra-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-devel-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-modules-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-modules-core-5.14.0-570.52.1.el9_6.aarch64
kernel-rt-modules-extra-5.14.0-570.52.1.el9_6.aarch64
kernel-tools-5.14.0-570.52.1.el9_6.aarch64
kernel-tools-libs-5.14.0-570.52.1.el9_6.aarch64
perf-5.14.0-570.52.1.el9_6.aarch64
python3-perf-5.14.0-570.52.1.el9_6.aarch64
rtla-5.14.0-570.52.1.el9_6.aarch64
rv-5.14.0-570.52.1.el9_6.aarch64
kernel-cross-headers-5.14.0-570.52.1.el9_6.x86_64
kernel-tools-libs-devel-5.14.0-570.52.1.el9_6.x86_64
libperf-5.14.0-570.52.1.el9_6.x86_64
kernel-cross-headers-5.14.0-570.52.1.el9_6.ppc64le
kernel-tools-libs-devel-5.14.0-570.52.1.el9_6.ppc64le
libperf-5.14.0-570.52.1.el9_6.ppc64le
kernel-cross-headers-5.14.0-570.52.1.el9_6.aarch64
kernel-tools-libs-devel-5.14.0-570.52.1.el9_6.aarch64
libperf-5.14.0-570.52.1.el9_6.aarch64
kernel-cross-headers-5.14.0-570.52.1.el9_6.s390x
libperf-5.14.0-570.52.1.el9_6.s390x
That’s quite a list, right? Make sure you update all the relevant packages to ensure full protection against the identified vulnerabilities.
How to Update Your System
Updating your AlmaLinux system is a straightforward process. You can use the dnf
package manager to apply the updates. Here’s how:
- Open your terminal.
- Run the update command:
sudo dnf update kernel*
- Follow the prompts to complete the installation.
- Reboot your system to load the new kernel.
It's always a good practice to reboot your system after a kernel update to ensure that the new kernel is running. This helps in applying all the changes correctly and ensures that your system is fully protected.
Why Kernel Updates Are Crucial
The kernel is the heart of your operating system, and keeping it up-to-date is crucial for several reasons:
- Security: Kernel updates often include patches for security vulnerabilities, protecting your system from potential attacks.
- Stability: Updates can also improve system stability and fix bugs that could cause crashes or other issues.
- Performance: Sometimes, kernel updates include performance enhancements that can make your system run faster and more efficiently.
- Hardware Support: New kernel versions often bring improved support for the latest hardware, ensuring compatibility and optimal performance.
By staying on top of kernel updates, you’re not just keeping your system secure; you’re also ensuring it runs smoothly and efficiently. Think of it like giving your system a regular check-up to keep it in tip-top shape!
Additional Information and References
For more detailed information about the security issues addressed in this update, you can refer to the CVE pages listed below:
These CVE pages provide in-depth information about each vulnerability, including the impact, CVSS score, acknowledgments, and other related details. It's always a good idea to stay informed about the specific issues being addressed in security updates.
In Conclusion
So, there you have it, guys! A new kernel security update is available for AlmaLinux, and it’s packed with important fixes to keep your systems secure. Make sure to update your systems to version 5.14.0-570.52.1.el9_6 as soon as possible. By staying proactive with updates, you’re ensuring that your AlmaLinux systems remain robust and secure.
Keep your systems patched, stay secure, and have a great time computing! If you have any questions or run into any issues during the update process, feel free to drop a comment below. We’re all here to help each other out. Happy updating!