1. Ubuntu Security Notices
  2. USN-7331-1

USN-7331-1: Linux kernel vulnerabilities

Publication date

5 March 2025

Overview

Several security issues were fixed in the Linux kernel.

Releases

Packages

Details

Attila Szász discovered that the HFS+ file system implementation in the
Linux Kernel contained a heap overflow vulnerability. An attacker could use
a specially crafted file system image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2025-0927)

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;
  • x86 architecture;
  • Block layer subsystem;
  • ACPI drivers;
  • GPU drivers;
  • HID subsystem;
  • I2C subsystem;
  • IIO ADC drivers;
  • IIO subsystem;
  • InfiniBand drivers;
  • IOMMU subsystem;
  • IRQ chip drivers;
  • Multiple devices driver;
  • Media drivers;
  • Network drivers;
  • STMicroelectronics network...

Attila Szász discovered that the HFS+ file system implementation in the
Linux Kernel contained a heap overflow vulnerability. An attacker could use
a specially crafted file system image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2025-0927)

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;
  • x86 architecture;
  • Block layer subsystem;
  • ACPI drivers;
  • GPU drivers;
  • HID subsystem;
  • I2C subsystem;
  • IIO ADC drivers;
  • IIO subsystem;
  • InfiniBand drivers;
  • IOMMU subsystem;
  • IRQ chip drivers;
  • Multiple devices driver;
  • Media drivers;
  • Network drivers;
  • STMicroelectronics network drivers;
  • Parport drivers;
  • Pin controllers subsystem;
  • Direct Digital Synthesis drivers;
  • TCM subsystem;
  • TTY drivers;
  • USB Dual Role (OTG-ready) Controller drivers;
  • USB Serial drivers;
  • USB Type-C support driver;
  • USB Type-C Connector System Software Interface driver;
  • BTRFS file system;
  • File systems infrastructure;
  • Network file system (NFS) client;
  • NILFS2 file system;
  • NTFS3 file system;
  • SMB network file system;
  • User-space API (UAPI);
  • io_uring subsystem;
  • BPF subsystem;
  • Timer substystem drivers;
  • Tracing infrastructure;
  • Closures library;
  • Memory management;
  • Amateur Radio drivers;
  • Bluetooth subsystem;
  • Networking core;
  • IPv4 networking;
  • MAC80211 subsystem;
  • Multipath TCP;
  • Netfilter;
  • Network traffic control;
  • SCTP protocol;
  • XFRM subsystem;
  • Key management;
  • FireWire sound drivers;
  • HD-audio driver;
  • QCOM ASoC drivers;
  • STMicroelectronics SoC drivers;
  • KVM core

Update instructions

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

Learn more about how to get the fixes.

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.

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

Ubuntu Release Package Version
20.04 focal linux-image-5.15.0-134-generic –  5.15.0-134.145~20.04.1
linux-image-5.15.0-134-generic-64k –  5.15.0-134.145~20.04.1
linux-image-5.15.0-134-generic-lpae –  5.15.0-134.145~20.04.1
linux-image-generic-64k-hwe-20.04 –  5.15.0.134.145~20.04.1
linux-image-generic-hwe-20.04 –  5.15.0.134.145~20.04.1
linux-image-generic-lpae-hwe-20.04 –  5.15.0.134.145~20.04.1
linux-image-oem-20.04 –  5.15.0.134.145~20.04.1
linux-image-oem-20.04b –  5.15.0.134.145~20.04.1
linux-image-oem-20.04c –  5.15.0.134.145~20.04.1
linux-image-oem-20.04d –  5.15.0.134.145~20.04.1
linux-image-virtual-hwe-20.04 –  5.15.0.134.145~20.04.1

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References

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