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Ubuntu 20.04 LTS USN-7294-4 serious: kernel security flaws

ubuntu
Calendar Grey March 3, 2025
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-7294-4 addresses crucial kernel vulnerabilities impacting cloud infrastructures running on Ubuntu 20.04.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-kvm: Linux kernel for cloud environments

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;

- Block layer subsystem;

- ACPI drivers;

- Drivers core;

- ATA over ethernet (AOE) driver;

- TPM device driver;

- GPIO subsystem;

- GPU drivers;

- HID subsystem;

- I2C subsystem;

- InfiniBand drivers;

- Mailbox framework;

- Multiple devices driver;

- Media drivers;

- Network drivers;

- NTB driver;

- Virtio pmem driver;

- Parport drivers;

- PCI subsystem;

- SPI subsystem;

- Direct Digital Synthesis drivers;

- USB Device Class drivers;

- USB Dual Role (OTG-ready) Controller drivers;

- USB Serial drivers;

- USB Type-C support driver;

- Framebuffer layer;

- BTRFS file system;

- Ceph distributed f...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory kernel update remote access ubuntu linux kernel system reboot cloud environment

Update Instructions

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

Ubuntu 20.04 LTS
  linux-image-5.4.0-1127-kvm      5.4.0-1127.136
  linux-image-kvm                 5.4.0.1127.123

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-7294-4

https://ubuntu.com/security/notices/USN-7294-3

https://ubuntu.com/security/notices/USN-7294-2

https://ubuntu.com/security/notices/USN-7294-1

CVE-2021-47469, CVE-2023-52458, CVE-2023-52917, CVE-2024-35887,

CVE-2024-35896, CVE-2024-38544, CVE-2024-40911, CVE-2024-40953,

CVE-2024-40965, CVE-2024-41016, CVE-2024-41066, CVE-2024-42252,

CVE-2024-43863, CVE-2024-44931, CVE-2024-46731, CVE-2024-46849,

CVE-2024-46853, CVE-2024-46854, CVE-2024-47670, CVE-2024-47671,

CVE-2024-47672, CVE-2024-47674, CVE-2024-47679, CVE-2024-47684,

CVE-2024-47685, CVE-2024-47692, CVE-2024-47696, CVE-2024-47697,

CVE-2024-47698, CVE-2024-47699, CVE-2024-47701, CVE-2024-47706,

CVE-2024-47709, CVE-2024-47710, CVE-2024-47712, CVE-2024-47713,

CVE-2024-47723, CVE-2024-47737, CVE-2024-47740, CVE-2024-47742,

CVE-2024-47747, CVE-2024-47749, CVE-2024-47756, CVE-2024-47757,

CVE-2024-49851, CVE-2024-49860, CVE-2024-49867, CVE-2024-49868,

CVE-2024-49877, CVE-2024-49878, CVE-2024-49879, CVE-2024-49882,

CVE-2024-49883, CVE-2024-49892, CVE-2024-49894, CVE-2024-49896,

CVE-2024-49900, CVE-2024-49902, CVE-2024-49903, CVE-2024-49924,

CVE-2024-49938, CVE-2024-49944, CVE-2024-49948, CVE-2024-49949,

CVE-2024-49952, CVE-2024-49955, CVE-2024-49957, CVE-2024-49958,

CVE-2024-49959, CVE-2024-49962, CVE-2024-49963, CVE-2024-49965,

CVE-2024-49966, CVE-2024-49973, CVE-2024-49975, CVE-2024-49981,

CVE-2024-49982, CVE-2024-49985, CVE-2024-49995, CVE-2024-49997,

CVE-2024-50006, CVE-2024-50007, CVE-2024-50008, CVE-2024-50024,

CVE-2024-50033, CVE-2024-50035, CVE-2024-50039, CVE-2024-50040,

CVE-2024-50044, CVE-2024-50045, CVE-2024-50059, CVE-2024-50074,

CVE-2024-50082, CVE-2024-50096, CVE-2024-50099, CVE-2024-50116,

CVE-2024-50117, CVE-2024-50127, CVE-2024-50131, CVE-2024-50134,

CVE-2024-50142, CVE-2024-50143, CVE-2024-50148, CVE-2024-50150,

CVE-2024-50151, CVE-2024-50167, CVE-2024-50168, CVE-2024-50171,

CVE-2024-50179, CVE-2024-50180, CVE-2024-50184, CVE-2024-50194,

CVE-2024-50195, CVE-2024-50199, CVE-2024-50202, CVE-2024-50205,

CVE-2024-50218, CVE-2024-50229, CVE-2024-50230, CVE-2024-50233,

CVE-2024-50234, CVE-2024-50236, CVE-2024-50237, CVE-2024-50251,

CVE-2024-50262, CVE-2024-50265, CVE-2024-50267, CVE-2024-50269,

CVE-2024-50273, CVE-2024-50278, CVE-2024-50279, CVE-2024-50282,

CVE-2024-50287, CVE-2024-50290, CVE-2024-50296, CVE-2024-50299,

CVE-2024-50301, CVE-2024-50302, CVE-2024-53059, CVE-2024-53061,

CVE-2024-53063, CVE-2024-53066, CVE-2024-53101, CVE-2024-53104

Severity
important
Lowest
Low
Medium
High
Critical

==========================================================================

Topics%20covered

Topics Covered

security advisory kernel update remote access ubuntu linux kernel system reboot cloud environment

Package Information

https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1127.136

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