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Ubuntu Security Notice USN-7496-1
May 07, 2025
linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gcp-4.15, linux-hwe,
linux-kvm, linux-oracle vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
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-4.15: Linux kernel for Google Cloud Platform (GCP) systems
- linux-kvm: Linux kernel for cloud environments
- linux-oracle: Linux kernel for Oracle Cloud systems
- linux-aws-hwe: Linux kernel for Amazon Web Services (AWS-HWE) systems
- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems
- linux-hwe: Linux hardware enablement (HWE) kernel
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:
- Block layer subsystem;
- Character device driver;
- Hardware crypto device drivers;
- GPU drivers;
- Media drivers;
- Network drivers;
- SCSI subsystem;
- USB Gadget drivers;
- Framebuffer layer;
- Ceph distributed file system;
- File systems infrastructure;
- JFS file system;
- Network file system (NFS) client;
- NILFS2 file system;
- SMB network file system;
- Netfilter;
- CAN network layer;
- IPv6 networking;
- MAC80211 subsystem;
- Netlink;
- Network traffic control;
- SCTP protocol;
- TIPC protocol;
(CVE-2024-53173, CVE-2024-26689, CVE-2024-46771, CVE-2024-36934,
CVE-2023-52458, CVE-2021-47191, CVE-2024-50296, CVE-2024-26974,
CVE-2021-47150, CVE-2024-53140, CVE-2025-21971, CVE-2024-50237,
CVE-2024-46780, CVE-2023-52741, CVE-2024-56642, CVE-2024-56631,
CVE-2024-53063, CVE-2024-36015, CVE-2021-47163, CVE-2024-56651,
CVE-2024-49925, CVE-2023-52664, CVE-2021-47219, CVE-2024-50256,
CVE-2024-53066, CVE-2024-49944, CVE-2024-56598, CVE-2024-56650,
CVE-2024-26996, CVE-2024-35864, CVE-2024-56770, CVE-2024-26915,
CVE-2023-52927)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS
linux-image-4.15.0-1142-oracle 4.15.0-1142.153
Available with Ubuntu Pro
linux-image-4.15.0-1163-kvm 4.15.0-1163.168
Available with Ubuntu Pro
linux-image-4.15.0-1173-gcp 4.15.0-1173.190
Available with Ubuntu Pro
linux-image-4.15.0-1180-aws 4.15.0-1180.193
Available with Ubuntu Pro
linux-image-4.15.0-237-generic 4.15.0-237.249
Available with Ubuntu Pro
linux-image-4.15.0-237-lowlatency 4.15.0-237.249
Available with Ubuntu Pro
linux-image-aws-lts-18.04 4.15.0.1180.178
Available with Ubuntu Pro
linux-image-gcp-lts-18.04 4.15.0.1173.186
Available with Ubuntu Pro
linux-image-generic 4.15.0.237.221
Available with Ubuntu Pro
linux-image-kvm 4.15.0.1163.154
Available with Ubuntu Pro
linux-image-lowlatency 4.15.0.237.221
Available with Ubuntu Pro
linux-image-oracle-lts-18.04 4.15.0.1142.147
Available with Ubuntu Pro
linux-image-virtual 4.15.0.237.221
Available with Ubuntu Pro
Ubuntu 16.04 LTS
linux-image-4.15.0-1142-oracle 4.15.0-1142.153~16.04.1
Available with Ubuntu Pro
linux-image-4.15.0-1173-gcp 4.15.0-1173.190~16.04.1
Available with Ubuntu Pro
linux-image-4.15.0-1180-aws 4.15.0-1180.193~16.04.1
Available with Ubuntu Pro
linux-image-4.15.0-237-generic 4.15.0-237.249~16.04.1
Available with Ubuntu Pro
linux-image-4.15.0-237-lowlatency 4.15.0-237.249~16.04.1
Available with Ubuntu Pro
linux-image-aws-hwe 4.15.0.1180.193~16.04.1
Available with Ubuntu Pro
linux-image-gcp 4.15.0.1173.190~16.04.1
Available with Ubuntu Pro
linux-image-generic-hwe-16.04 4.15.0.237.249~16.04.1
Available with Ubuntu Pro
linux-image-gke 4.15.0.1173.190~16.04.1
Available with Ubuntu Pro
linux-image-lowlatency-hwe-16.04 4.15.0.237.249~16.04.1
Available with Ubuntu Pro
linux-image-oem 4.15.0.237.249~16.04.1
Available with Ubuntu Pro
linux-image-oracle 4.15.0.1142.153~16.04.1
Available with Ubuntu Pro
linux-image-virtual-hwe-16.04 4.15.0.237.249~16.04.1
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-7496-1
CVE-2021-47150, CVE-2021-47163, CVE-2021-47191, CVE-2021-47219,
CVE-2023-52458, CVE-2023-52664, CVE-2023-52741, CVE-2023-52927,
CVE-2024-26689, CVE-2024-26915, CVE-2024-26974, CVE-2024-26996,
CVE-2024-35864, CVE-2024-36015, CVE-2024-36934, CVE-2024-46771,
CVE-2024-46780, CVE-2024-49925, CVE-2024-49944, CVE-2024-50237,
CVE-2024-50256, CVE-2024-50296, CVE-2024-53063, CVE-2024-53066,
CVE-2024-53140, CVE-2024-53173, CVE-2024-56598, CVE-2024-56631,
CVE-2024-56642, CVE-2024-56650, CVE-2024-56651, CVE-2024-56770,
CVE-2025-21971
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