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==========================================================================
Ubuntu Security Notice USN-7585-2
June 19, 2025
linux-aws-fips, linux-gcp-fips vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in the Linux kernel.
Software Description:
- linux-aws-fips: Linux kernel for Amazon Web Services (AWS) systems with FIPS
- linux-gcp-fips: Linux kernel for Google Cloud Platform (GCP) systems with
FIPS
Details:
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:
- PowerPC architecture;
- x86 architecture;
- iSCSI Boot Firmware Table Attributes driver;
- GPU drivers;
- HID subsystem;
- InfiniBand drivers;
- Media drivers;
- MemoryStick subsystem;
- Network drivers;
- NTB driver;
- PCI subsystem;
- SCSI subsystem;
- Thermal drivers;
- JFS file system;
- File systems infrastructure;
- Tracing infrastructure;
- 802.1Q VLAN protocol;
- Asynchronous Transfer Mode (ATM) subsystem;
- Bluetooth subsystem;
- IPv6 networking;
- Netfilter;
- Network traffic control;
- Sun RPC protocol;
- USB sound devices;
(CVE-2025-22007, CVE-2025-21959, CVE-2025-22021, CVE-2025-22063,
CVE-2025-22045, CVE-2024-58093, CVE-2022-49636, CVE-2025-22020,
CVE-2024-53168, CVE-2025-22071, CVE-2025-39735, CVE-2025-21991,
CVE-2025-21992, CVE-2025-21996, CVE-2025-22035, CVE-2023-53034,
CVE-2025-22054, CVE-2025-23136, CVE-2025-22073, CVE-2024-56551,
CVE-2025-22005, CVE-2025-37937, CVE-2021-47211, CVE-2025-22086,
CVE-2025-21956, CVE-2025-38637, CVE-2025-22004, CVE-2025-22018,
CVE-2025-22079, CVE-2025-21957, CVE-2025-21993)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS
linux-image-5.4.0-1147-aws-fips 5.4.0-1147.157+fips1
Available with Ubuntu Pro
linux-image-5.4.0-1150-gcp-fips 5.4.0-1150.159+fips1
Available with Ubuntu Pro
linux-image-aws-fips 5.4.0.1147.94
Available with Ubuntu Pro
linux-image-gcp-fips 5.4.0.1150.92
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-7585-2
https://ubuntu.com/security/notices/USN-7585-1
CVE-2021-47211, CVE-2022-49636, CVE-2023-53034, CVE-2024-53168,
CVE-2024-56551, CVE-2024-58093, CVE-2025-21956, CVE-2025-21957,
CVE-2025-21959, CVE-2025-21991, CVE-2025-21992, CVE-2025-21993,
CVE-2025-21996, CVE-2025-22004, CVE-2025-22005, CVE-2025-22007,
CVE-2025-22018, CVE-2025-22020, CVE-2025-22021, CVE-2025-22035,
CVE-2025-22045, CVE-2025-22054, CVE-2025-22063, CVE-2025-22071,
CVE-2025-22073, CVE-2025-22079, CVE-2025-22086, CVE-2025-2312,
CVE-2025-23136, CVE-2025-37937, CVE-2025-38637, CVE-2025-39735
Package Information:
https://launchpad.net/ubuntu/+source/linux-aws-fips/5.4.0-1147.157+fips1
https://launchpad.net/ubuntu/+source/linux-gcp-fips/5.4.0-1150.159+fips1
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