==========================================================================
Ubuntu Security Notice USN-7829-1
October 20, 2025

linux, linux-aws, linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.15,
linux-ibm, linux-ibm-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15,
linux-nvidia, linux-oracle, linux-oracle-5.15, linux-xilinx-zynqmp
vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux: Linux kernel
- linux-aws: Linux kernel for Amazon Web Services (AWS) systems
- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems
- linux-gke: Linux kernel for Google Container Engine (GKE) systems
- linux-gkeop: Linux kernel for Google Container Engine (GKE) systems
- linux-ibm: Linux kernel for IBM cloud systems
- linux-lowlatency: Linux low latency kernel
- linux-nvidia: Linux kernel for NVIDIA systems
- linux-oracle: Linux kernel for Oracle Cloud systems
- linux-xilinx-zynqmp: Linux kernel for Xilinx ZynqMP processors
- linux-hwe-5.15: Linux hardware enablement (HWE) kernel
- linux-ibm-5.15: Linux kernel for IBM cloud systems
- linux-lowlatency-hwe-5.15: Linux low latency kernel
- linux-oracle-5.15: Linux kernel for Oracle 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:
  - GPU drivers;
  - Network drivers;
  - Netlink;
(CVE-2024-26700, CVE-2025-38727, CVE-2023-52593, CVE-2024-26896)

Update instructions:

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

Ubuntu 22.04 LTS
  linux-image-5.15.0-1059-xilinx-zynqmp  5.15.0-1059.63
  linux-image-5.15.0-1078-gkeop   5.15.0-1078.86
  linux-image-5.15.0-1089-ibm     5.15.0-1089.92
  linux-image-5.15.0-1090-nvidia  5.15.0-1090.91
  linux-image-5.15.0-1090-nvidia-lowlatency  5.15.0-1090.91
  linux-image-5.15.0-1091-gke     5.15.0-1091.97
  linux-image-5.15.0-1092-oracle  5.15.0-1092.98
  linux-image-5.15.0-1095-aws     5.15.0-1095.102
  linux-image-5.15.0-1095-aws-64k  5.15.0-1095.102
  linux-image-5.15.0-1095-gcp     5.15.0-1095.104
  linux-image-5.15.0-160-generic  5.15.0-160.170
  linux-image-5.15.0-160-generic-64k  5.15.0-160.170
  linux-image-5.15.0-160-generic-lpae  5.15.0-160.170
  linux-image-5.15.0-160-lowlatency  5.15.0-160.170
  linux-image-5.15.0-160-lowlatency-64k  5.15.0-160.170
  linux-image-aws-5.15            5.15.0.1095.98
  linux-image-aws-64k-5.15        5.15.0.1095.98
  linux-image-aws-64k-lts-22.04   5.15.0.1095.98
  linux-image-aws-lts-22.04       5.15.0.1095.98
  linux-image-gcp-5.15            5.15.0.1095.91
  linux-image-gcp-lts-22.04       5.15.0.1095.91
  linux-image-generic             5.15.0.160.156
  linux-image-generic-5.15        5.15.0.160.156
  linux-image-generic-64k         5.15.0.160.156
  linux-image-generic-64k-5.15    5.15.0.160.156
  linux-image-generic-lpae        5.15.0.160.156
  linux-image-generic-lpae-5.15   5.15.0.160.156
  linux-image-gke                 5.15.0.1091.90
  linux-image-gke-5.15            5.15.0.1091.90
  linux-image-gkeop               5.15.0.1078.77
  linux-image-gkeop-5.15          5.15.0.1078.77
  linux-image-ibm                 5.15.0.1089.85
  linux-image-ibm-5.15            5.15.0.1089.85
  linux-image-lowlatency          5.15.0.160.138
  linux-image-lowlatency-5.15     5.15.0.160.138
  linux-image-lowlatency-64k      5.15.0.160.138
  linux-image-lowlatency-64k-5.15  5.15.0.160.138
  linux-image-nvidia              5.15.0.1090.90
  linux-image-nvidia-5.15         5.15.0.1090.90
  linux-image-nvidia-lowlatency   5.15.0.1090.90
  linux-image-nvidia-lowlatency-5.15  5.15.0.1090.90
  linux-image-oracle-5.15         5.15.0.1092.88
  linux-image-oracle-lts-22.04    5.15.0.1092.88
  linux-image-virtual             5.15.0.160.156
  linux-image-virtual-5.15        5.15.0.160.156
  linux-image-xilinx-zynqmp       5.15.0.1059.62
  linux-image-xilinx-zynqmp-5.15  5.15.0.1059.62

Ubuntu 20.04 LTS
  linux-image-5.15.0-1089-ibm     5.15.0-1089.92~20.04.1
                                  Available with Ubuntu Pro
  linux-image-5.15.0-1092-oracle  5.15.0-1092.98~20.04.1
                                  Available with Ubuntu Pro
  linux-image-5.15.0-160-generic  5.15.0-160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-5.15.0-160-generic-64k  5.15.0-160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-5.15.0-160-generic-lpae  5.15.0-160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-5.15.0-160-lowlatency  5.15.0-160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-5.15.0-160-lowlatency-64k  5.15.0-160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-generic-5.15        5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-generic-64k-5.15    5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-generic-64k-hwe-20.04  5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-generic-hwe-20.04   5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-generic-lpae-5.15   5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-generic-lpae-hwe-20.04  5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-ibm                 5.15.0.1089.92~20.04.1
                                  Available with Ubuntu Pro
  linux-image-ibm-5.15            5.15.0.1089.92~20.04.1
                                  Available with Ubuntu Pro
  linux-image-lowlatency-5.15     5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-lowlatency-64k-5.15  5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-lowlatency-64k-hwe-20.04  5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-lowlatency-hwe-20.04  5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-oem-20.04           5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-oem-20.04b          5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-oem-20.04c          5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-oem-20.04d          5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-oracle              5.15.0.1092.98~20.04.1
                                  Available with Ubuntu Pro
  linux-image-oracle-5.15         5.15.0.1092.98~20.04.1
                                  Available with Ubuntu Pro
  linux-image-virtual-5.15        5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro
  linux-image-virtual-hwe-20.04   5.15.0.160.170~20.04.1
                                  Available with Ubuntu Pro

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-7829-1
  CVE-2023-52593, CVE-2024-26700, CVE-2024-26896, CVE-2025-38727

Package Information:
  https://launchpad.net/ubuntu/+source/linux/5.15.0-160.170
  https://launchpad.net/ubuntu/+source/linux-aws/5.15.0-1095.102
  https://launchpad.net/ubuntu/+source/linux-gcp/5.15.0-1095.104
  https://launchpad.net/ubuntu/+source/linux-gke/5.15.0-1091.97
  https://launchpad.net/ubuntu/+source/linux-gkeop/5.15.0-1078.86
  https://launchpad.net/ubuntu/+source/linux-ibm/5.15.0-1089.92
  https://launchpad.net/ubuntu/+source/linux-lowlatency/5.15.0-160.170
  https://launchpad.net/ubuntu/+source/linux-nvidia/5.15.0-1090.91
  https://launchpad.net/ubuntu/+source/linux-oracle/5.15.0-1092.98
  https://launchpad.net/ubuntu/+source/linux-xilinx-zynqmp/5.15.0-1059.63

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