USN-7303-3: Linux kernel vulnerabilities

USN-7303-3: Linux kernel vulnerabilities
3 March 2025

Several security issues were fixed in the Linux kernel.

Releases

• Ubuntu 24.04 LTS
• Ubuntu 22.04 LTS

Packages

• linux-gcp-6.8 - Linux kernel for Google Cloud Platform (GCP) systems
• linux-raspi - Linux kernel for Raspberry Pi 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;
• x86 architecture;
• Block layer subsystem;
• Cryptographic API;
• ACPI drivers;
• Drivers core;
• ATA over ethernet (AOE) driver;
• Network block device driver;
• TPM device driver;
• Hardware crypto device drivers;
• ARM SCMI message protocol;
• EFI core;
• GPU drivers;
• I2C subsystem;
• I3C subsystem;
• InfiniBand drivers;
• Input Device core drivers;
• IOMMU subsystem;
• Mailbox framework;
• Media drivers;
• Ethernet bonding driver;
• Network drivers;
• Mellanox network drivers;
• STMicroelectronics network drivers;
• NTB driver;
• PCI subsystem;
• Alibaba DDR Sub-System Driveway PMU driver;
• x86 platform drivers;
• Powercap sysfs driver;
• Remote Processor subsystem;
• SCSI subsystem;
• USB Device Class drivers;
• vDPA drivers;
• Virtio Host (VHOST) subsystem;
• Framebuffer layer;
• AFS file system;
• BTRFS file system;
• File systems infrastructure;
• Ceph distributed file system;
• Ext4 file system;
• F2FS file system;
• JFS file system;
• Network file systems library;
• Network file system (NFS) server daemon;
• NILFS2 file system;
• SMB network file system;
• BPF subsystem;
• Virtio network driver;
• TCP network protocol;
• Perf events;
• Padata parallel execution mechanism;
• RCU subsystem;
• Arbitrary resource management;
• Static call mechanism;
• Tracing infrastructure;
• Memory management;
• Bluetooth subsystem;
• CAN network layer;
• Networking core;
• Distributed Switch Architecture;
• IPv4 networking;
• IPv6 networking;
• MAC80211 subsystem;
• IEEE 802.15.4 subsystem;
• NCSI (Network Controller Sideband Interface) driver;
• RxRPC session sockets;
• SCTP protocol;
• TIPC protocol;
• Wireless networking;
• AudioScience HPI driver;
• KVM core;

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

Ubuntu 24.04

• linux-image-6.8.0-1019-raspi - 6.8.0-1019.23
• linux-image-raspi - 6.8.0-1019.23
  Ubuntu 22.04
• linux-image-6.8.0-1024-gcp - 6.8.0-1024.26~22.04.1
• linux-image-6.8.0-1024-gcp-64k - 6.8.0-1024.26~22.04.1
• linux-image-gcp - 6.8.0-1024.26~22.04.1
• linux-image-gcp-64k - 6.8.0-1024.26~22.04.1
  After a standard system update you need to reboot your computer to make
  all the necessary changes.