Ubuntu releases security updates for Linux kernel OEM vulnerabilities

Brief written by the FOSSWire AI editor from Ubuntu How we write

October 9, 2026 1 min read 81 reads

Key Takeaway

Ubuntu has patched numerous vulnerabilities in the Linux kernel OEM subsystem affecting networking, file systems, and drivers.

Summary

Ubuntu has issued security notice USN-8911-1 to address several vulnerabilities within the Linux kernel (OEM). These flaws could potentially allow an attacker to compromise a system. The update covers a wide range of subsystems including networking protocols, file systems, and various hardware drivers.

Affected kernel subsystems

Networking: IPv4, IPv6, Netfilter, Open vSwitch, SCTP, TIPC, and RxRPC session sockets.
File Systems: GFS2, OCFS2, and SMB.
Drivers: Hardware crypto device drivers, NVIDIA Tegra memory controller, Network drivers, USB core, and SoundWire (SDCA) ASoC.
Other: B.A.T.M.A.N. meshing protocol and Ceph Core library.
CVEs: Includes CVE-2026-43095, CVE-2026-52914, and 27 other identified vulnerabilities.

Why it matters

Users running Ubuntu OEM kernels should apply these updates immediately to mitigate risks across critical networking and storage subsystems.

Original reference: ubuntu.com →