Linuxsecurity Critical Linux Kernel Vulnerabilities Exploited in the Wild
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- •Multiple critical vulnerabilities in the Linux kernel for NVIDIA systems have been confirmed.
- •CISA has reported active exploitation of these vulnerabilities in the wild.
- •Users must update to the latest kernel versions to mitigate risks.
On September 29, 2026, Ubuntu released an advisory regarding multiple vulnerabilities in the Linux kernel affecting NVIDIA systems. These vulnerabilities, identified as CVE-2026-53131, CVE-2026-53186, CVE-2026-53216, CVE-2026-53221, CVE-2026-53355, CVE-2026-63886, CVE-2026-63887, CVE-2026-63888, CVE-2026-63912, CVE-2026-63922, CVE-2026-63924, CVE-2026-63984, CVE-2026-63992, CVE-2026-63993, CVE-2026-63994, CVE-2026-64000, CVE-2026-64007, and CVE-2026-64091, could allow attackers to compromise systems. The vulnerabilities affect various subsystems, including InfiniBand drivers, network drivers, and the B.A.T.M.A.N. meshing protocol. Users are advised to update their systems to the latest package versions to mitigate the risks. The vulnerabilities were confirmed by CISA, indicating active exploitation in the wild. Affected systems include Ubuntu 24.04 LTS and 22.04 LTS. Administrators are urged to reboot their systems after applying the updates to ensure all changes take effect.
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Critical Privilege Escalation Flaws in Linux Kernel Affecting Multiple Systems On September 29, 2026, multiple vulnerabilities were disclosed in the Linux kernel, specifically affecting Ubuntu 24.04 and other distributions. These vulnerabilities include CVE-2025-10263, which allows local attackers to bypass memory protections on Arm processors, and CVE-2025-54518, which affects AMD Zen 2… 
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