USN-7510-1: Linux kernel vulnerabilities

USN-7510-1: Linux kernel vulnerabilities
Publication date:16 May 2025

Overview

• Several security issues were fixed in the Linux kernel.

Releases

• 22.04 LTS
• 20.04 LTS

Packages

• linux - Linux kernel
• linux-gkeop - Linux kernel for Google Container Engine (GKE) systems
• linux-ibm - Linux kernel for IBM cloud systems
• linux-ibm-5.15 - Linux kernel for IBM cloud systems
• linux-intel-iotg - Linux kernel for Intel IoT platforms
• linux-kvm - Linux kernel for cloud environments
• linux-lowlatency - Linux low latency kernel
• linux-lowlatency-hwe-5.15 - Linux low latency kernel
• linux-nvidia - Linux kernel for NVIDIA systems
• linux-oracle - Linux kernel for Oracle Cloud systems
• 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:

• ARM64 architecture;
• PowerPC architecture;
• x86 architecture;
• Block layer subsystem;
• Network block device driver;
• Bus devices;
• Character device driver;
• TPM device driver;
• Clock framework and drivers;
• GPIO subsystem;
• GPU drivers;
• HID subsystem;
• I2C subsystem;
• InfiniBand drivers;
• Media drivers;
• NVIDIA Tegra memory controller driver;
• Network drivers;
• PCI subsystem;
• PPS (Pulse Per Second) driver;
• PTP clock framework;
• RapidIO drivers;
• Real Time Clock drivers;
• SLIMbus drivers;
• QCOM SoC drivers;
• Trusted Execution Environment drivers;
• TTY drivers;
• USB DSL drivers;
• USB Device Class drivers;
• USB core drivers;
• USB Gadget drivers;
• USB Host Controller drivers;
• Renesas USBHS Controller drivers;
• ACRN Hypervisor Service Module driver;
• File systems infrastructure;
• BTRFS file system;
• F2FS file system;
• Network file system (NFS) server daemon;
• NILFS2 file system;
• Overlay file system;
• SMB network file system;
• UBI file system;
• KVM subsystem;
• L3 Master device support module;
• Process Accounting mechanism;
• Padata parallel execution mechanism;
• printk logging mechanism;
• Scheduler infrastructure;
• Timer subsystem;
• Tracing infrastructure;
• Memory management;
• 802.1Q VLAN protocol;
• B.A.T.M.A.N. meshing protocol;
• Networking core;
• IPv4 networking;
• IPv6 networking;
• Logical Link layer;
• Multipath TCP;
• Netfilter;
• NFC subsystem;
• Open vSwitch;
• Rose network layer;
• Network traffic control;
• Wireless networking;
• Landlock security;
• Linux Security Modules (LSM) Framework;
• Tomoyo security module

Update instructions
After a standard system update you need to reboot your computer to make all the necessary changes.

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

**Ubuntu Release ( 22.04 jammy )
Package Versions:

• jammy linux-image-5.15.0-1066-gkeop – 5.15.0-1066.74
• linux-image-5.15.0-1076-ibm – 5.15.0-1076.79
• linux-image-5.15.0-1078-nvidia – 5.15.0-1078.79
• linux-image-5.15.0-1078-nvidia-lowlatency – 5.15.0-1078.79
• linux-image-5.15.0-1079-intel-iotg – 5.15.0-1079.85
• linux-image-5.15.0-1080-kvm – 5.15.0-1080.85
• linux-image-5.15.0-1081-oracle – 5.15.0-1081.87
• linux-image-5.15.0-140-generic – 5.15.0-140.150
• linux-image-5.15.0-140-generic-64k – 5.15.0-140.150
• linux-image-5.15.0-140-generic-lpae – 5.15.0-140.150
• linux-image-5.15.0-140-lowlatency – 5.15.0-140.150
• linux-image-5.15.0-140-lowlatency-64k – 5.15.0-140.150
• linux-image-generic – 5.15.0.140.135
• linux-image-generic-64k – 5.15.0.140.135
• linux-image-generic-lpae – 5.15.0.140.135
• linux-image-gkeop – 5.15.0.1066.65
• linux-image-gkeop-5.15 – 5.15.0.1066.65
• linux-image-ibm – 5.15.0.1076.72
• linux-image-intel-iotg – 5.15.0.1079.79
• linux-image-kvm – 5.15.0.1080.76
• linux-image-lowlatency – 5.15.0.140.126
• linux-image-lowlatency-64k – 5.15.0.140.126
• linux-image-nvidia – 5.15.0.1078.78
• linux-image-nvidia-lowlatency – 5.15.0.1078.78
• linux-image-oracle-lts-22.04 – 5.15.0.1081.77
• linux-image-virtual – 5.15.0.140.135

**Ubuntu Release ( 20.04 focal )
Package Versions:

• linux-image-5.15.0-1076-ibm – 5.15.0-1076.79~20.04.1
• linux-image-5.15.0-1081-oracle – 5.15.0-1081.87~20.04.1
• linux-image-5.15.0-140-lowlatency – 5.15.0-140.150~20.04.1
• linux-image-5.15.0-140-lowlatency-64k – 5.15.0-140.150~20.04.1
• linux-image-ibm – 5.15.0.1076.79~20.04.1
• linux-image-lowlatency-64k-hwe-20.04 – 5.15.0.140.150~20.04.1
• linux-image-lowlatency-hwe-20.04 – 5.15.0.140.150~20.04.1
• linux-image-oracle – 5.15.0.1081.87~20.04.1