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Ubuntu 20.04 LTS: USN-7516-1 critical: Linux kernel security issues

ubuntu
Calendar Grey May 16, 2025
Dist Ubuntu Esm H88
A range of vulnerabilities fixed in the recent Ubuntu Linux kernel release to bolster system defenses.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux: Linux kernel

- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems

- linux-oracle: Linux kernel for Oracle Cloud systems

- linux-azure-5.4: Linux kernel for Microsoft Azure cloud systems

- linux-gcp-5.4: Linux kernel for Google Cloud Platform (GCP) 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;

- Block layer subsystem;

- Drivers core;

- Network block device driver;

- Character device driver;

- GPU drivers;

- HID subsystem;

- InfiniBand drivers;

- Media drivers;

- Network drivers;

- PPS (Pulse Per Second) driver;

- PTP clock framework;

- RapidIO drivers;

- Real Time Clock drivers;

- SCSI subsystem;

- SLIMbus d...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory risk management Ubuntu software fix kernel system update

Update Instructions

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

Ubuntu 20.04 LTS
   linux-image-5.4.0-1144-oracle   5.4.0-1144.154
   linux-image-5.4.0-1149-gcp      5.4.0-1149.158
   linux-image-5.4.0-216-generic   5.4.0-216.236
   linux-image-5.4.0-216-generic-lpae  5.4.0-216.236
   linux-image-5.4.0-216-lowlatency  5.4.0-216.236
   linux-image-gcp-lts-20.04       5.4.0.1149.151
   linux-image-generic             5.4.0.216.208
   linux-image-generic-lpae        5.4.0.216.208
   linux-image-lowlatency          5.4.0.216.208
   linux-image-oem                 5.4.0.216.208
   linux-image-oem-osp1            5.4.0.216.208
   linux-image-oracle-lts-20.04    5.4.0.1144.138
   linux-image-virtual             5.4.0.216.208

Ubuntu 18.04 LTS
   linux-image-5.4.0-1149-gcp      5.4.0-1149.158~18.04.1
                                   Available with Ubuntu Pro
   linux-image-5.4.0-1151-azure    5.4.0-1151.158~18.04.1
                                   Available with Ubuntu Pro
   linux-image-azure               5.4.0.1151.158~18.04.1
                                   Available with Ubuntu Pro
   linux-image-gcp                 5.4.0.1149.158~18.04.1
                                   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-7516-1

CVE-2021-47191, CVE-2023-52741, CVE-2024-26982, CVE-2024-26996,

CVE-2024-50055, CVE-2024-56599, CVE-2024-57973, CVE-2024-57977,

CVE-2024-57979, CVE-2024-57980, CVE-2024-57981, CVE-2024-57986,

CVE-2024-58001, CVE-2024-58002, CVE-2024-58007, CVE-2024-58009,

CVE-2024-58010, CVE-2024-58014, CVE-2024-58017, CVE-2024-58020,

CVE-2024-58051, CVE-2024-58052, CVE-2024-58055, CVE-2024-58058,

CVE-2024-58063, CVE-2024-58069, CVE-2024-58071, CVE-2024-58072,

CVE-2024-58083, CVE-2024-58085, CVE-2024-58090, CVE-2025-21647,

CVE-2025-21704, CVE-2025-21708, CVE-2025-21715, CVE-2025-21718,

CVE-2025-21719, CVE-2025-21721, CVE-2025-21722, CVE-2025-21728,

CVE-2025-21731, CVE-2025-21735, CVE-2025-21736, CVE-2025-21744,

CVE-2025-21749, CVE-2025-21753, CVE-2025-21760, CVE-2025-21761,

CVE-2025-21762, CVE-2025-21763, CVE-2025-21764, CVE-2025-21765,

CVE-2025-21772, CVE-2025-21776, CVE-2025-21781, CVE-2025-21782,

CVE-2025-21785, CVE-2025-21787, CVE-2025-21791, CVE-2025-21806,

CVE-2025-21811, CVE-2025-21814, CVE-2025-21823, CVE-2025-21835,

CVE-2025-21846, CVE-2025-21848, CVE-2025-21858, CVE-2025-21859,

CVE-2025-21862, CVE-2025-21865, CVE-2025-21866, CVE-2025-21871,

CVE-2025-21877, CVE-2025-21898, CVE-2025-21904, CVE-2025-21905,

CVE-2025-21909, CVE-2025-21910, CVE-2025-21914, CVE-2025-21916,

CVE-2025-21917, CVE-2025-21920, CVE-2025-21922, CVE-2025-21925,

CVE-2025-21926, CVE-2025-21928, CVE-2025-21934, CVE-2025-21935,

CVE-2025-21948, CVE-2025-21971

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7516-1

Topics%20covered

Topics Covered

security advisory risk management Ubuntu software fix kernel system update

Package Information

https://launchpad.net/ubuntu/+source/linux/5.4.0-216.236
https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1149.158
https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1144.154

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