Alerts This Week
Warning Icon 1 460
Alerts This Week
Warning Icon 1 460

Ubuntu 20.04 LTS: Kernel Critical Flaws Exploit Risk USN-7655-1

ubuntu
Calendar Grey July 18, 2025
Dist Ubuntu Esm H88
Various vulnerabilities in the Linux kernel of Ubuntu may result in unauthorized entrance or potential system breach.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-intel-iotg-5.15: Linux kernel for Intel IoT platforms

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 these to compromise the system.

This update corrects flaws in the following subsystems:

- PA-RISC architecture;

- PowerPC architecture;

- x86 architecture;

- Block layer subsystem;

- Cryptographic API;

- ACPI drivers;

- Serial ATA and Parallel ATA drivers;

...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory critical arbitrary code execution Ubuntu kernel improper access control

Update Instructions

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

Ubuntu 20.04 LTS
  linux-image-5.15.0-1083-intel-iotg  5.15.0-1083.89~20.04.1
                                  Available with Ubuntu Pro
  linux-image-intel               5.15.0.1083.89~20.04.1
                                  Available with Ubuntu Pro
  linux-image-intel-iotg          5.15.0.1083.89~20.04.1
                                  Available with Ubuntu Pro
  linux-image-intel-iotg-5.15     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-7655-1

CVE-2022-21546, CVE-2022-48893, CVE-2022-49063, CVE-2022-49168,

CVE-2022-49535, CVE-2022-49636, CVE-2022-49728, CVE-2023-52572,

CVE-2023-52757, CVE-2023-53034, CVE-2024-26686, CVE-2024-26739,

CVE-2024-27402, CVE-2024-35790, CVE-2024-35866, CVE-2024-35867,

CVE-2024-35943, CVE-2024-36908, CVE-2024-36945, CVE-2024-38540,

CVE-2024-38541, CVE-2024-42230, CVE-2024-42322, CVE-2024-46742,

CVE-2024-46751, CVE-2024-46753, CVE-2024-46774, CVE-2024-46787,

CVE-2024-46812, CVE-2024-46816, CVE-2024-46821, CVE-2024-49960,

CVE-2024-49989, CVE-2024-50047, CVE-2024-50125, CVE-2024-50258,

CVE-2024-50272, CVE-2024-50280, CVE-2024-53051, CVE-2024-53128,

CVE-2024-53144, CVE-2024-53168, CVE-2024-53203, CVE-2024-54458,

CVE-2024-56551, CVE-2024-56608, CVE-2024-56664, CVE-2024-56751,

CVE-2024-58093, CVE-2024-8805, CVE-2025-21839, CVE-2025-21853,

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-2025-22027, 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-2025-22062,

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-2025-23140, CVE-2025-23142, CVE-2025-23144,

CVE-2025-23145, CVE-2025-23146, CVE-2025-23147, CVE-2025-23148,

CVE-2025-23150, CVE-2025-23151, CVE-2025-23156, CVE-2025-23157,

CVE-2025-23158, CVE-2025-23159, CVE-2025-23161, CVE-2025-23163,

CVE-2025-37738, CVE-2025-37739, CVE-2025-37740, CVE-2025-37741,

CVE-2025-37742, CVE-2025-37749, CVE-2025-37756, CVE-2025-37757,

CVE-2025-37758, CVE-2025-37765, CVE-2025-37766, CVE-2025-37767,

CVE-2025-37768, CVE-2025-37770, CVE-2025-37771, CVE-2025-37773,

CVE-2025-37780, CVE-2025-37781, CVE-2025-37785, CVE-2025-37787,

CVE-2025-37788, CVE-2025-37789, CVE-2025-37790, CVE-2025-37792,

CVE-2025-37794, CVE-2025-37796, CVE-2025-37797, CVE-2025-37798,

CVE-2025-37803, CVE-2025-37805, CVE-2025-37808, CVE-2025-37810,

CVE-2025-37811, CVE-2025-37812, CVE-2025-37817, CVE-2025-37819,

CVE-2025-37823, CVE-2025-37824, CVE-2025-37829, CVE-2025-37830,

CVE-2025-37836, CVE-2025-37838, CVE-2025-37839, CVE-2025-37840,

CVE-2025-37841, CVE-2025-37844, CVE-2025-37850, CVE-2025-37851,

CVE-2025-37857, CVE-2025-37858, CVE-2025-37859, CVE-2025-37862,

CVE-2025-37867, CVE-2025-37875, CVE-2025-37881, CVE-2025-37883,

CVE-2025-37885, CVE-2025-37889, CVE-2025-37890, CVE-2025-37892,

CVE-2025-37905, CVE-2025-37909, CVE-2025-37911, CVE-2025-37912,

CVE-2025-37913, CVE-2025-37914, CVE-2025-37915, CVE-2025-37923,

CVE-2025-37927, CVE-2025-37930, CVE-2025-37932, CVE-2025-37937,

CVE-2025-37940, CVE-2025-37949, CVE-2025-37964, CVE-2025-37967,

CVE-2025-37969, CVE-2025-37970, CVE-2025-37982, CVE-2025-37983,

CVE-2025-37985, CVE-2025-37989, CVE-2025-37990, CVE-2025-37991,

CVE-2025-37992, CVE-2025-37994, CVE-2025-37995, CVE-2025-37997,

CVE-2025-37998, CVE-2025-38000, CVE-2025-38001, CVE-2025-38005,

CVE-2025-38009, CVE-2025-38023, CVE-2025-38024, CVE-2025-38094,

CVE-2025-38152, CVE-2025-38177, CVE-2025-38575, CVE-2025-38637,

CVE-2025-39728, CVE-2025-39735

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7655-1

Topics%20covered

Topics Covered

security advisory critical arbitrary code execution Ubuntu kernel improper access control

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here