========================================================================== Ubuntu Security Notice USN-7931-4 December 19, 2025
linux-xilinx vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux-xilinx: Linux kernel for Xilinx systems Details: Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - Media drivers; - Memory management; - Appletalk network protocol; - Netfilter; (CVE-2025-37958, CVE-2025-38666, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS linux-image-6.8.0-1021-xilinx 6.8.0-1021.22 linux-image-xilinx 6.8.0.1021.22 linux-image-xilinx-6.8 6.8.0.1021.22 linux-image-xilinx-zynqmp 6.8.0.1021.22 After a standard system update you need to reboot your computer to make all the necessary changes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well. References: https://ubuntu.com/security/notices/USN-7931-4 https://ubuntu.com/security/notices/USN-7931-3 https://ubuntu.com/security/notices/USN-7931-2 https://ubuntu.com/security/notices/USN-7931-1 CVE-2025-37958, CVE-2025-38666, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018 Package Information: https://launchpad.net/ubuntu/+source/linux-xilinx/6.8.0-1021.22
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