USN-7496-2: Linux kernel (FIPS) vulnerabilities
7 May 2025
Several security issues were fixed in the Linux kernel.
Releases
Packages
- linux-aws-fips - Linux kernel for Amazon Web Services (AWS) systems with FIPS
- linux-fips - Linux kernel with FIPS
- linux-gcp-fips - Linux kernel for Google Cloud Platform (GCP) systems with FIPS
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-2023-52664, CVE-2024-26974, CVE-2024-49944, CVE-2024-50256,
CVE-2024-35864, CVE-2025-21971, CVE-2023-52741, CVE-2024-50296,
CVE-2024-50237, CVE-2021-47191, CVE-2024-46771, CVE-2024-56770,
CVE-2021-47163, CVE-2024-53063, CVE-2024-53140, CVE-2024-36015,
CVE-2024-56650, CVE-2024-53173, CVE-2024-53066, CVE-2024-26689,
CVE-2024-56651, CVE-2024-36934, CVE-2024-56598, CVE-2021-47219,
CVE-2024-26915, CVE-2024-46780, CVE-2024-49925, CVE-2023-52458,
CVE-2021-47150, CVE-2024-56631, CVE-2024-26996, CVE-2023-52927,
CVE-2024-56642)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04
-
linux-image-4.15.0-1135-fips
-
4.15.0-1135.146
Available with Ubuntu Pro
-
linux-image-4.15.0-2081-gcp-fips
-
4.15.0-2081.87
Available with Ubuntu Pro
-
linux-image-4.15.0-2118-aws-fips
-
4.15.0-2118.124
Available with Ubuntu Pro
-
linux-image-aws-fips
-
4.15.0.2118.112
Available with Ubuntu Pro
-
linux-image-fips
-
4.15.0.1135.132
Available with Ubuntu Pro
-
linux-image-gcp-fips
-
4.15.0.2081.79
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
- CVE-2023-52741
- CVE-2023-52927
- CVE-2024-56631
- CVE-2025-21971
- CVE-2024-56598
- CVE-2021-47150
- CVE-2024-53066
- CVE-2024-26915
- CVE-2024-56642
- CVE-2021-47163
- CVE-2024-50296
- CVE-2024-56650
- CVE-2024-49944
- CVE-2021-47191
- CVE-2023-52458
- CVE-2021-47219
- CVE-2024-46771
- CVE-2024-26974
- CVE-2024-56770
- CVE-2024-56651
- CVE-2023-52664
- CVE-2024-26996
- CVE-2024-36934
- CVE-2024-53173
- CVE-2024-49925
- CVE-2024-53140
- CVE-2024-53063
- CVE-2024-50256
- CVE-2024-26689
- CVE-2024-46780
- CVE-2024-50237
- CVE-2024-36015
- CVE-2024-35864
Related notices
- USN-7496-1
- USN-7496-4
- USN-7496-3
- USN-7496-5
- USN-7494-1
- USN-7494-2
- USN-7494-3
- USN-7495-1
- USN-7495-2
- USN-7495-3
- USN-7494-4
- USN-7494-5
- USN-7379-1
- USN-7380-1
- USN-7381-1
- USN-7382-1
- USN-7387-1
- USN-7388-1
- USN-7389-1
- USN-7390-1
- USN-7387-2
- USN-7387-3
- USN-7391-1
- USN-7392-1
- USN-7392-2
- USN-7393-1
- USN-7392-4
- USN-7392-3
- USN-7401-1
- USN-7379-2
- USN-7407-1
- USN-7413-1
- USN-7421-1
- USN-7449-1
- USN-7450-1
- USN-7451-1
- USN-7452-1
- USN-7453-1
- USN-7458-1
- USN-7459-1
- USN-7463-1
- USN-7449-2
- USN-7459-2
- USN-7468-1
- USN-7402-1
- USN-7402-2
- USN-7403-1
- USN-7402-3
- USN-7402-4
- USN-7402-5
- USN-7498-1
- USN-7276-1
- USN-7277-1
- USN-7294-1
- USN-7288-1
- USN-7289-1
- USN-7291-1
- USN-7288-2
- USN-7289-2
- USN-7293-1
- USN-7295-1
- USN-7289-3
- USN-7305-1
- USN-7289-4
- USN-7308-1
- USN-7294-2
- USN-7294-3
- USN-7310-1
- USN-7294-4
- USN-7331-1
- USN-6820-1
- USN-6821-1
- USN-6821-2
- USN-6820-2
- USN-6828-1
- USN-6821-3
- USN-6821-4
- USN-6871-1
- USN-6892-1
- USN-6919-1
- USN-7461-1
- USN-7461-2
- USN-7462-1
- USN-7462-2
- USN-7461-3
- USN-7166-1
- USN-7166-2
- USN-7166-3
- USN-7186-1
- USN-7186-2
- USN-7194-1
- USN-7166-4
- USN-7301-1
- USN-7304-1
- USN-7303-1
- USN-7303-2
- USN-7311-1
- USN-7303-3
- USN-7384-1
- USN-7385-1
- USN-7386-1
- USN-7384-2
- USN-6688-1
- USN-6725-1
- USN-6725-2
- USN-6818-1
- USN-6819-1
- USN-6818-2
- USN-6819-2
- USN-6819-3
- USN-6818-3
- USN-6818-4
- USN-6819-4
- USN-7088-1
- USN-7088-2
- USN-7088-3
- USN-7088-4
- USN-7100-1
- USN-7100-2
- USN-7088-5
- USN-7119-1
- USN-7123-1
- USN-7144-1
- USN-7154-1
- USN-7155-1
- USN-7156-1
- USN-7154-2
- USN-7196-1
- USN-6896-1
- USN-6898-1
- USN-6896-2
- USN-6898-2
- USN-6896-3
- USN-6898-3
- USN-6896-4
- USN-6896-5
- USN-6898-4
- USN-6917-1
- USN-6927-1
- USN-7019-1
- USN-7455-1
- USN-7455-2
- USN-7455-3
- USN-7460-1
- USN-7455-4
- USN-7455-5
- USN-7475-1
- USN-6893-1
- USN-6893-2
- USN-6893-3
- USN-6918-1
- USN-6949-1
- USN-6953-1
- USN-6950-1
- USN-6951-1
- USN-6952-1
- USN-6955-1
- USN-6950-2
- USN-6957-1
- USN-6956-1
- USN-6950-3
- USN-6949-2
- USN-6951-2
- USN-6951-3
- USN-6950-4
- USN-6951-4
- USN-6979-1
- LSN-0110-1
- LSN-0111-1
- USN-6766-1
- USN-6766-2
- USN-6766-3
- USN-6795-1
- USN-6895-1
- USN-6895-2
- USN-6900-1
- USN-6895-3
- USN-6895-4
- USN-6999-1
- USN-7004-1
- USN-7005-1
- USN-7007-1
- USN-7005-2
- USN-7008-1
- USN-7009-1
- USN-7007-2
- USN-6999-2
- USN-7007-3
- USN-7029-1
- USN-7009-2
- USN-7406-1
- USN-7406-2
- USN-7406-3
- USN-7408-1
- USN-7408-2
- USN-7406-4
- USN-7406-5
- USN-7408-3
- USN-7408-4
- USN-7420-1
- USN-7406-6