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Ubuntu 25.04: Linux Kernel Critical Data Leak Advisory USN-7833-1

ubuntu
Calendar Grey October 22, 2025
Dist Ubuntu Esm H88
Critical fixes for the Linux kernel address multiple serious issues in Ubuntu 24.04 and 25.04 versions. Stay updated!
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-aws: Linux kernel for Amazon Web Services (AWS) systems

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

- linux-oracle: Linux kernel for Oracle Cloud systems

- linux-raspi: Linux kernel for Raspberry Pi systems

- linux-realtime: Linux kernel for Real-time systems

- linux-oem-6.14: Linux kernel for OEM systems

- linux-oracle-6.14: Linux kernel for Oracle Cloud systems

Details:

Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos,

and Flavien Solt discovered that some AMD processors may allow an attacker

to infer data from previous stores, potentially resulting in the leakage of

privileged information. A local attacker could possibly use this to expose

sensitive information. (CVE-2024-36350, CVE-2024-36357)

Several security issues were discovered in the Linux kernel.

An attacker could possibly use these to compr...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory critical Ubuntu local attack Linux kernel data leakage

Update Instructions

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

Ubuntu 25.04
   linux-image-6.14.0-1014-realtime  6.14.0-1014.14
   linux-image-6.14.0-1015-aws     6.14.0-1015.15
   linux-image-6.14.0-1015-aws-64k  6.14.0-1015.15
   linux-image-6.14.0-1015-oracle  6.14.0-1015.15
   linux-image-6.14.0-1015-oracle-64k  6.14.0-1015.15
   linux-image-6.14.0-1016-raspi   6.14.0-1016.16
   linux-image-6.14.0-1018-gcp     6.14.0-1018.19
   linux-image-6.14.0-1018-gcp-64k  6.14.0-1018.19
   linux-image-6.14.0-34-generic   6.14.0-34.34
   linux-image-6.14.0-34-generic-64k  6.14.0-34.34
   linux-image-aws                 6.14.0-1015.15
   linux-image-aws-6.14            6.14.0-1015.15
   linux-image-aws-64k             6.14.0-1015.15
   linux-image-aws-64k-6.14        6.14.0-1015.15
   linux-image-gcp                 6.14.0-1018.19
   linux-image-gcp-6.14            6.14.0-1018.19
   linux-image-gcp-64k             6.14.0-1018.19
   linux-image-gcp-64k-6.14        6.14.0-1018.19
   linux-image-generic             6.14.0-34.34
   linux-image-generic-6.14        6.14.0-34.34
   linux-image-generic-64k         6.14.0-34.34
   linux-image-generic-64k-6.14    6.14.0-34.34
   linux-image-oracle              6.14.0-1015.15
   linux-image-oracle-6.14         6.14.0-1015.15
   linux-image-oracle-64k          6.14.0-1015.15
   linux-image-oracle-64k-6.14     6.14.0-1015.15
   linux-image-raspi               6.14.0-1016.16
   linux-image-raspi-6.14          6.14.0-1016.16
   linux-image-realtime            6.14.0-1014.14
   linux-image-realtime-6.14       6.14.0-1014.14
   linux-image-virtual             6.14.0-34.34
   linux-image-virtual-6.14        6.14.0-34.34

Ubuntu 24.04 LTS
   linux-image-6.14.0-1014-oem     6.14.0-1014.14
   linux-image-6.14.0-1015-oracle  6.14.0-1015.15~24.04.1
   linux-image-6.14.0-1015-oracle-64k  6.14.0-1015.15~24.04.1
   linux-image-oem-24.04           6.14.0-1014.14
   linux-image-oem-24.04a          6.14.0-1014.14
   linux-image-oem-24.04b          6.14.0-1014.14
   linux-image-oem-24.04c          6.14.0-1014.14
   linux-image-oem-6.14            6.14.0-1014.14
   linux-image-oracle              6.14.0-1015.15~24.04.1
   linux-image-oracle-6.14         6.14.0-1015.15~24.04.1
   linux-image-oracle-64k          6.14.0-1015.15~24.04.1
   linux-image-oracle-64k-6.14     6.14.0-1015.15~24.04.1

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-7833-1

CVE-2024-36350, CVE-2024-36357, CVE-2025-38084, CVE-2025-38085,

CVE-2025-38086, CVE-2025-38087, CVE-2025-38089, CVE-2025-38090,

CVE-2025-38179, CVE-2025-38181, CVE-2025-38182, CVE-2025-38183,

CVE-2025-38184, CVE-2025-38186, CVE-2025-38188, CVE-2025-38189,

CVE-2025-38191, CVE-2025-38192, CVE-2025-38194, CVE-2025-38196,

CVE-2025-38197, CVE-2025-38198, CVE-2025-38199, CVE-2025-38200,

CVE-2025-38201, CVE-2025-38202, CVE-2025-38203, CVE-2025-38204,

CVE-2025-38205, CVE-2025-38206, CVE-2025-38208, CVE-2025-38210,

CVE-2025-38211, CVE-2025-38212, CVE-2025-38217, CVE-2025-38218,

CVE-2025-38219, CVE-2025-38220, CVE-2025-38222, CVE-2025-38223,

CVE-2025-38224, CVE-2025-38225, CVE-2025-38226, CVE-2025-38227,

CVE-2025-38228, CVE-2025-38229, CVE-2025-38231, CVE-2025-38232,

CVE-2025-38233, CVE-2025-38234, CVE-2025-38236, CVE-2025-38237,

CVE-2025-38238, CVE-2025-38239, CVE-2025-38241, CVE-2025-38242,

CVE-2025-38244, CVE-2025-38245, CVE-2025-38246, CVE-2025-38248,

CVE-2025-38249, CVE-2025-38250, CVE-2025-38251, CVE-2025-38253,

CVE-2025-38254, CVE-2025-38255, CVE-2025-38256, CVE-2025-38257,

CVE-2025-38258, CVE-2025-38259, CVE-2025-38260, CVE-2025-38261,

CVE-2025-38262, CVE-2025-38263, CVE-2025-38264, CVE-2025-38320,

CVE-2025-38321, CVE-2025-38322, CVE-2025-38324, CVE-2025-38325,

CVE-2025-38326, CVE-2025-38328, CVE-2025-38329, CVE-2025-38330,

CVE-2025-38331, CVE-2025-38332, CVE-2025-38333, CVE-2025-38334,

CVE-2025-38336, CVE-2025-38337, CVE-2025-38338, CVE-2025-38339,

CVE-2025-38340, CVE-2025-38341, CVE-2025-38342, CVE-2025-38343,

CVE-2025-38344, CVE-2025-38345, CVE-2025-38346, CVE-2025-38347,

CVE-2025-38348, CVE-2025-38353, CVE-2025-38354, CVE-2025-38355,

CVE-2025-38356, CVE-2025-38359, CVE-2025-38360, CVE-2025-38361,

CVE-2025-38362, CVE-2025-38363, CVE-2025-38364, CVE-2025-38365,

CVE-2025-38368, CVE-2025-38369, CVE-2025-38370, CVE-2025-38371,

CVE-2025-38372, CVE-2025-38373, CVE-2025-38374, CVE-2025-38375,

CVE-2025-38376, CVE-2025-38377, CVE-2025-38381, CVE-2025-38382,

CVE-2025-38383, CVE-2025-38384, CVE-2025-38385, CVE-2025-38386,

CVE-2025-38387, CVE-2025-38388, CVE-2025-38389, CVE-2025-38390,

CVE-2025-38391, CVE-2025-38392, CVE-2025-38393, CVE-2025-38395,

CVE-2025-38396, CVE-2025-38399, CVE-2025-38400, CVE-2025-38401,

CVE-2025-38402, CVE-2025-38403, CVE-2025-38405, CVE-2025-38406,

CVE-2025-38407, CVE-2025-38408, CVE-2025-38409, CVE-2025-38410,

CVE-2025-38411, CVE-2025-38412, CVE-2025-38413, CVE-2025-38416,

CVE-2025-38417, CVE-2025-38418, CVE-2025-38419, CVE-2025-38420,

CVE-2025-38421, CVE-2025-38422, CVE-2025-38423, CVE-2025-38424,

CVE-2025-38425, CVE-2025-38426, CVE-2025-38427, CVE-2025-38428,

CVE-2025-38429, CVE-2025-38430, CVE-2025-38431, CVE-2025-38434,

CVE-2025-38435, CVE-2025-38436, CVE-2025-38523, CVE-2025-38541,

CVE-2025-39682

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7833-1

Topics%20covered

Topics Covered

security advisory critical Ubuntu local attack Linux kernel data leakage

Package Information

https://launchpad.net/ubuntu/+source/linux/6.14.0-34.34
https://launchpad.net/ubuntu/+source/linux-aws/6.14.0-1015.15
https://launchpad.net/ubuntu/+source/linux-gcp/6.14.0-1018.19

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