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Ubuntu 20.04 LTS USN-7592-1 critical: Linux kernel arbitrary code execution

ubuntu
Calendar Grey June 24, 2025
Dist Ubuntu Esm H88
Critical security patches released for Ubuntu 20.04 LTS Linux kernel, addressing access permissions flaws amongst other concerns.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-aws-5.15: Linux kernel for Amazon Web Services (AWS) systems

- linux-gcp-5.15: Linux kernel for Google Cloud Platform (GCP) systems

- linux-ibm-5.15: Linux kernel for IBM cloud systems

- linux-lowlatency-hwe-5.15: Linux low latency kernel

- linux-oracle-5.15: Linux kernel for Oracle Cloud systems

Details:

Michael Randrianantenaina discovered that the Bluetooth driver in the Linux

Kernel contained an improper access control vulnerability. A nearby

attacker could use this to connect a rougue device and possibly execute

arbitrary code. (CVE-2024-8805)

It was discovered that the CIFS network file system implementation in the

Linux kernel did not properly verify the target namespace when handling

upcalls. An attacker could use this to expose sensitive information.

(CVE-2025-2312)

Several security issues were discovered in the Linux kernel.

An attacker could possibly use thes...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory access control arbitrary code execution important information disclosure ubuntu

Update Instructions

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

Ubuntu 20.04 LTS
   linux-image-5.15.0-1078-ibm     5.15.0-1078.81~20.04.1
                                   Available with Ubuntu Pro
   linux-image-5.15.0-1083-oracle  5.15.0-1083.89~20.04.1
                                   Available with Ubuntu Pro
   linux-image-5.15.0-1085-gcp     5.15.0-1085.94~20.04.1
                                   Available with Ubuntu Pro
   linux-image-5.15.0-1086-aws     5.15.0-1086.93~20.04.1
                                   Available with Ubuntu Pro
   linux-image-5.15.0-142-lowlatency  5.15.0-142.152~20.04.1
                                   Available with Ubuntu Pro
   linux-image-5.15.0-142-lowlatency-64k  5.15.0-142.152~20.04.1
                                   Available with Ubuntu Pro
   linux-image-aws                 5.15.0.1086.93~20.04.1
                                   Available with Ubuntu Pro
   linux-image-gcp                 5.15.0.1085.94~20.04.1
                                   Available with Ubuntu Pro
   linux-image-ibm                 5.15.0.1078.81~20.04.1
                                   Available with Ubuntu Pro
   linux-image-lowlatency-64k-hwe-20.04  5.15.0.142.152~20.04.1
                                   Available with Ubuntu Pro
   linux-image-lowlatency-hwe-20.04  5.15.0.142.152~20.04.1
                                   Available with Ubuntu Pro
   linux-image-oracle              5.15.0.1083.89~20.04.1
                                   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-7592-1

CVE-2022-49636, CVE-2022-49728, CVE-2023-53034, CVE-2024-36945,

CVE-2024-42230, CVE-2024-46753, CVE-2024-46812, CVE-2024-46821,

CVE-2024-53144, CVE-2024-53168, CVE-2024-56551, CVE-2024-56608,

CVE-2024-56664, CVE-2024-58093, CVE-2024-8805, CVE-2025-21941,

CVE-2025-21956, CVE-2025-21957, CVE-2025-21959, CVE-2025-21962,

CVE-2025-21963, CVE-2025-21964, CVE-2025-21968, CVE-2025-21970,

CVE-2025-21975, CVE-2025-21981, CVE-2025-21991, CVE-2025-21992,

CVE-2025-21994, CVE-2025-21996, CVE-2025-21999, CVE-2025-22004,

CVE-2025-22005, CVE-2025-22007, CVE-2025-22008, CVE-2025-22010,

CVE-2025-22014, CVE-2025-22018, CVE-2025-22020, CVE-2025-22021,

CVE-2025-22025, CVE-2025-22035, CVE-2025-22044, CVE-2025-22045,

CVE-2025-22050, CVE-2025-22054, CVE-2025-22055, CVE-2025-22056,

CVE-2025-22060, CVE-2025-22063, CVE-2025-22066, CVE-2025-22071,

CVE-2025-22073, CVE-2025-22075, CVE-2025-22079, CVE-2025-22081,

CVE-2025-22086, CVE-2025-22089, CVE-2025-22097, CVE-2025-2312,

CVE-2025-23136, CVE-2025-23138, CVE-2025-37785, CVE-2025-37889,

CVE-2025-37937, CVE-2025-38152, CVE-2025-38575, CVE-2025-38637,

CVE-2025-39728, CVE-2025-39735

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7592-1

Topics%20covered

Topics Covered

security advisory access control arbitrary code execution important information disclosure ubuntu

Package Information

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