Ubuntu kernel update addresses flaws that could compromise the system
USN-9027-1 covers x86, hardware monitoring, OCFS2, IPv4, Ethernet bridge, Netfilter and XFRM flaws.
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Stories tagged #netfilter
USN-8851-3: Linux kernel (Azure) vulnerabilities
Ubuntu patched Linux kernel flaws in NFS, IPv6, and Netfilter for Azure kernels in USN-8851-3.
USN-8864-1: Linux kernel vulnerabilities
Ubuntu patched Linux kernel flaws in NFS, IPv6, and Netfilter that could let an attacker compromise the system.
USN-8851-2: Linux kernel (Raspberry Pi) vulnerabilities
Ubuntu patched Raspberry Pi Linux kernel flaws in NFS, IPv6, and Netfilter that could compromise systems.
USN-8851-1: Linux kernel vulnerabilities
Ubuntu USN-8851-1 patches three Linux kernel flaws in NFS server daemon, IPv6, and Netfilter that could allow system compromise.
USN-8819-4: Linux kernel (FIPS) vulnerabilities
Ubuntu FIPS kernel update fixes NFS, IPv6, and Netfilter flaws CVE-2025-38724, CVE-2026-53131, and CVE-2026-53221.
USN-8819-3: Linux kernel vulnerabilities
Ubuntu kernel update fixes NFS, IPv6, and Netfilter flaws tracked as three CVEs.
USN-8819-2: Linux kernel vulnerabilities
Ubuntu kernel notice USN-8819-2 patches NFS, IPv6, and Netfilter flaws, including three CVEs.
USN-8819-1: Linux kernel vulnerabilities
Ubuntu patches Linux kernel flaws in NFS server, IPv6, and Netfilter that could let attackers compromise systems.
USN-8730-5: Linux kernel vulnerability
Ubuntu patches a Linux kernel flaw affecting IPv6 networking and Netfilter that could compromise systems.
USN-8730-4: Linux kernel vulnerability
Ubuntu patches unspecified vulnerabilities in the Linux kernel's IPv6 and Netfilter components.
CISA Warns of Linux Kernel Vulnerabilities Actively Exploited in Attacks
CISA added three actively exploited Linux kernel flaws (CVE-2025-39682, CVE-2026-53266, CVE-2025-39964) to KEV with a September 21 federal patching deadline.
USN-8730-3: Linux kernel (Azure) vulnerability
Ubuntu USN-8730-3 updates the Azure Linux kernel to fix security issues in the IPv6 networking and Netfilter subsystems.
USN-8761-1: Linux kernel (Azure) vulnerabilities
Ubuntu patches multiple Linux kernel (Azure) flaws across ARM64, Bluetooth, Netfilter, NTFS3, SMB and other subsystems.
USN-8730-1: Linux kernel vulnerability
Ubuntu issued USN-8730-1 fixing Linux kernel flaws in IPv6 networking and Netfilter that could allow system compromise.