========================================================================== Ubuntu Security Notice USN-7506-3 May 12, 2025
linux-fips vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in the Linux kernel.
Software Description:
- linux-fips: Linux kernel with FIPS
Details:
Demi Marie Obenour and Simon Gaiser discovered that several Xen para-
virtualization device frontends did not properly restrict the access rights
of device backends. An attacker could possibly use a malicious Xen backend
to gain access to memory pages of a guest VM or cause a denial of service
in the guest. (CVE-2022-23041)
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:
- Hardware crypto device drivers;
- GPU drivers;
- IIO subsystem;
- Media drivers;
- Network drivers;
- SCSI subsystem;
- SPI subsystem;
- USB Gadget drivers;
- Ceph distributed file system;
- File systems infrastructure;
- JFS file system;
- Network file system (NFS) client;
- Network file system (NFS) server daemon;
- NILFS2 file system;
- SMB network file system;
- CAN network layer;
- IPv6 networking;
- MAC80211 subsystem;
- Netfilter;
- Netlink;
- Network traffic control;
- SCTP protocol;
- TIPC protocol;
(CVE-2024-56598, CVE-2024-56650, CVE-2024-46771, CVE-2024-53173,
CVE-2024-53063, CVE-2024-26974, CVE-2021-46959, CVE-2024-53066,
CVE-2021-47163, CVE-2024-50237, CVE-2021-47587, CVE-2024-56631,
CVE-2024-50256, CVE-2021-47150, CVE-2021-47506, CVE-2021-47219,
CVE-2023-52741, CVE-2024-49944, CVE-2025-21971, CVE-2024-26689,
CVE-2024-46780, CVE-2024-53140, CVE-2021-47245, CVE-2024-56642,
CVE-2021-47500, CVE-2024-36934, CVE-2024-26996, CVE-2024-35864,
CVE-2021-47191, CVE-2024-26915, CVE-2024-56770)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 LTS
linux-image-4.4.0-1113-fips 4.4.0-1113.120
Available with Ubuntu Pro
linux-image-fips 4.4.0.1113.114
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-7506-3
https://ubuntu.com/security/notices/USN-7506-2
https://ubuntu.com/security/notices/USN-7506-1
CVE-2021-46959, CVE-2021-47150, CVE-2021-47163, CVE-2021-47191,
CVE-2021-47219, CVE-2021-47245, CVE-2021-47500, CVE-2021-47506,
CVE-2021-47587, CVE-2022-23041, CVE-2023-52741, CVE-2024-26689,
CVE-2024-26915, CVE-2024-26974, CVE-2024-26996, CVE-2024-35864,
CVE-2024-36934, CVE-2024-46771, CVE-2024-46780, CVE-2024-49944,
CVE-2024-50237, CVE-2024-50256, 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-2024-56770, CVE-2025-21971
Package Information:
https://launchpad.net/ubuntu/+source/linux-fips/4.4.0-1113.120
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