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[USN-8761-1] Linux kernel (Azure) vulnerabilities

Posted on 15 September 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8761-1
September 15, 2026

linux-azure 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-azure: Linux kernel for Microsoft Azure Cloud 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:
- ARM32 architecture;
- ARM64 architecture;
- PowerPC architecture;
- Compute Acceleration Framework;
- Drivers core;
- Bluetooth drivers;
- Arm Firmware Framework for ARMv8-A(FFA);
- EFI core;
- GPU drivers;
- Hardware monitoring drivers;
- InfiniBand drivers;
- Network drivers;
- SCSI subsystem;
- SPI subsystem;
- Network file systems library;
- NTFS3 file system;
- SMB network file system;
- File systems infrastructure;
- Software nodes and device properties;
- Bluetooth subsystem;
- Netfilter;
- Tracing infrastructure;
- io_uring subsystem;
- IRQ subsystem;
- KProbes tracing;
- Memory management;
- B.A.T.M.A.N. meshing protocol;
- Ethernet bridge;
- Networking core;
- IPv4 networking;
- IPv6 networking;
- Multipath TCP;
- Phonet protocol;
- SMC sockets;
- TLS protocol;
- Unix domain sockets;
- VMware vSockets driver;
- Wireless networking;
- Key management;
- Linux Security Modules (LSM) Framework;
- ALSA framework;
- AudioScience HPI driver;
(CVE-2025-71289, CVE-2026-23469, CVE-2026-31420, CVE-2026-31486,
CVE-2026-31560, CVE-2026-46158, CVE-2026-46170, CVE-2026-46275,
CVE-2026-46315, CVE-2026-52912, CVE-2026-52915, CVE-2026-52916,
CVE-2026-52918, CVE-2026-52919, CVE-2026-52921, CVE-2026-52922,
CVE-2026-52926, CVE-2026-52941, CVE-2026-53357, CVE-2026-64015,
CVE-2026-64025, CVE-2026-64029, CVE-2026-64032, CVE-2026-64033,
CVE-2026-64039, CVE-2026-64046, CVE-2026-64047, CVE-2026-64048,
CVE-2026-64051, CVE-2026-64055, CVE-2026-64056, CVE-2026-64064,
CVE-2026-64073, CVE-2026-64083, CVE-2026-64084, CVE-2026-64085,
CVE-2026-64086, CVE-2026-64087, CVE-2026-64088, CVE-2026-64089,
CVE-2026-64092, CVE-2026-64096, CVE-2026-64097, CVE-2026-64098,
CVE-2026-64102, CVE-2026-64103, CVE-2026-64106, CVE-2026-64108,
CVE-2026-64109, CVE-2026-64111, CVE-2026-64113, CVE-2026-64114,
CVE-2026-64115, CVE-2026-64116, CVE-2026-64118, CVE-2026-64121,
CVE-2026-64125, CVE-2026-64126, CVE-2026-64127, CVE-2026-64128,
CVE-2026-64133, CVE-2026-64134, CVE-2026-64135, CVE-2026-64136,
CVE-2026-64137, CVE-2026-64138, CVE-2026-64144, CVE-2026-64147,
CVE-2026-64148, CVE-2026-64153, CVE-2026-64155, CVE-2026-64163,
CVE-2026-64165, CVE-2026-64166, CVE-2026-64168, CVE-2026-64170,
CVE-2026-64173, CVE-2026-64174, CVE-2026-64177, CVE-2026-64178,
CVE-2026-64179, CVE-2026-64180, CVE-2026-64182, CVE-2026-64183,
CVE-2026-64184, CVE-2026-64185, CVE-2026-64214, CVE-2026-64217,
CVE-2026-64218, CVE-2026-64219, CVE-2026-64220, CVE-2026-64221,
CVE-2026-64225, CVE-2026-64231, CVE-2026-64518)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
linux-image-6.8.0-1067-azure 6.8.0-1067.75
linux-image-azure-6.8 6.8.0-1067.75
linux-image-azure-lts-24.04 6.8.0-1067.75

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-8761-1
CVE-2025-71289, CVE-2026-23469, CVE-2026-31420, CVE-2026-31486,
CVE-2026-31560, CVE-2026-46158, CVE-2026-46170, CVE-2026-46275,
CVE-2026-46315, CVE-2026-52912, CVE-2026-52915, CVE-2026-52916,
CVE-2026-52918, CVE-2026-52919, CVE-2026-52921, CVE-2026-52922,
CVE-2026-52926, CVE-2026-52941, CVE-2026-53357, CVE-2026-64015,
CVE-2026-64025, CVE-2026-64029, CVE-2026-64032, CVE-2026-64033,
CVE-2026-64039, CVE-2026-64046, CVE-2026-64047, CVE-2026-64048,
CVE-2026-64051, CVE-2026-64055, CVE-2026-64056, CVE-2026-64064,
CVE-2026-64073, CVE-2026-64083, CVE-2026-64084, CVE-2026-64085,
CVE-2026-64086, CVE-2026-64087, CVE-2026-64088, CVE-2026-64089,
CVE-2026-64092, CVE-2026-64096, CVE-2026-64097, CVE-2026-64098,
CVE-2026-64102, CVE-2026-64103, CVE-2026-64106, CVE-2026-64108,
CVE-2026-64109, CVE-2026-64111, CVE-2026-64113, CVE-2026-64114,
CVE-2026-64115, CVE-2026-64116, CVE-2026-64118, CVE-2026-64121,
CVE-2026-64125, CVE-2026-64126, CVE-2026-64127, CVE-2026-64128,
CVE-2026-64133, CVE-2026-64134, CVE-2026-64135, CVE-2026-64136,
CVE-2026-64137, CVE-2026-64138, CVE-2026-64144, CVE-2026-64147,
CVE-2026-64148, CVE-2026-64153, CVE-2026-64155, CVE-2026-64163,
CVE-2026-64165, CVE-2026-64166, CVE-2026-64168, CVE-2026-64170,
CVE-2026-64173, CVE-2026-64174, CVE-2026-64177, CVE-2026-64178,
CVE-2026-64179, CVE-2026-64180, CVE-2026-64182, CVE-2026-64183,
CVE-2026-64184, CVE-2026-64185, CVE-2026-64214, CVE-2026-64217,
CVE-2026-64218, CVE-2026-64219, CVE-2026-64220, CVE-2026-64221,
CVE-2026-64225, CVE-2026-64231, CVE-2026-64518

Package Information:
https://launchpad.net/ubuntu/+source/linux-azure/6.8.0-1067.75

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