[USN-7535-1] Intel Microcode vulnerabilities
[USN-7510-6] Linux kernel (AWS FIPS) vulnerabilities
[USN-7537-1] net-tools vulnerability
[USN-7536-1] cifs-utils vulnerability
[USN-7535-1] Intel Microcode vulnerabilities
==========================================================================
Ubuntu Security Notice USN-7535-1
May 27, 2025
intel-microcode vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 25.04
- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in Intel Microcode.
Software Description:
- intel-microcode: Processor microcode for Intel CPUs
Details:
Sander Wiebing and Cristiano Giuffrida discovered that some Intel![]()
Processors did not properly handle data in Shared Microarchitectural
Structures during Transient Execution. An authenticated attacker could
possibly use this issue to obtain sensitive information. (CVE-2024-28956)
It was discovered that some IntelProcessors did not properly handle
prediction calculations. An authenticated attacker could possibly use this
issue to obtain sensitive information. (CVE-2024-43420, CVE-2024-45332,
CVE-2025-20623)
It was discovered that some IntelProcessors did not properly initialize
resources in the branch prediction unit. An authenticated attacker could
possibly use this issue to obtain sensitive information. (CVE-2025-20012,
CVE-2025-24495)
Michal Raviv and Jeff Gilbert discovered that some IntelProcessors did
not properly handle resources and exceptions in the core management
mechanism. An authenticated attacker could possibly use this issue to
cause a denial of service. (CVE-2025-20054, CVE-2025-20103)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 25.04
intel-microcode 3.20250512.0ubuntu0.25.04.1
Ubuntu 24.10
intel-microcode 3.20250512.0ubuntu0.24.10.1
Ubuntu 24.04 LTS
intel-microcode 3.20250512.0ubuntu0.24.04.1
Ubuntu 22.04 LTS
intel-microcode 3.20250512.0ubuntu0.22.04.1
Ubuntu 20.04 LTS
intel-microcode 3.20250512.0ubuntu0.20.04.1
Ubuntu 18.04 LTS
intel-microcode 3.20250512.0ubuntu0.18.04.1+esm1
Available with Ubuntu Pro
Ubuntu 16.04 LTS
intel-microcode 3.20250512.0ubuntu0.16.04.1+esm1
Available with Ubuntu Pro
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7535-1
CVE-2024-28956, CVE-2024-43420, CVE-2024-45332, CVE-2025-20012,
CVE-2025-20054, CVE-2025-20103, CVE-2025-20623, CVE-2025-24495
Package Information:
https://launchpad.net/ubuntu/+source/intel-microcode/3.20250512.0ubuntu0.25.04.1
https://launchpad.net/ubuntu/+source/intel-microcode/3.20250512.0ubuntu0.24.10.1
https://launchpad.net/ubuntu/+source/intel-microcode/3.20250512.0ubuntu0.24.04.1
https://launchpad.net/ubuntu/+source/intel-microcode/3.20250512.0ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/intel-microcode/3.20250512.0ubuntu0.20.04.1
[USN-7510-6] Linux kernel (AWS FIPS) vulnerabilities
==========================================================================
Ubuntu Security Notice USN-7510-6
May 27, 2025
linux-aws-fips vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 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
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:
- ARM64 architecture;
- PowerPC architecture;
- x86 architecture;
- Block layer subsystem;
- Network block device driver;
- Bus devices;
- Character device driver;
- TPM device driver;
- Clock framework and drivers;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- I2C subsystem;
- InfiniBand drivers;
- Media drivers;
- NVIDIA Tegra memory controller driver;
- Network drivers;
- PCI subsystem;
- PPS (Pulse Per Second) driver;
- PTP clock framework;
- RapidIO drivers;
- Real Time Clock drivers;
- SLIMbus drivers;
- QCOM SoC drivers;
- Trusted Execution Environment drivers;
- TTY drivers;
- USB DSL drivers;
- USB Device Class drivers;
- USB core drivers;
- USB Gadget drivers;
- USB Host Controller drivers;
- Renesas USBHS Controller drivers;
- ACRN Hypervisor Service Module driver;
- File systems infrastructure;
- BTRFS file system;
- F2FS file system;
- Network file system (NFS) server daemon;
- NILFS2 file system;
- Overlay file system;
- SMB network file system;
- UBI file system;
- KVM subsystem;
- L3 Master device support module;
- Process Accounting mechanism;
- Padata parallel execution mechanism;
- printk logging mechanism;
- Scheduler infrastructure;
- Timer subsystem;
- Tracing infrastructure;
- Memory management;
- 802.1Q VLAN protocol;
- B.A.T.M.A.N. meshing protocol;
- Networking core;
- IPv4 networking;
- IPv6 networking;
- Logical Link layer;
- Multipath TCP;
- Netfilter;
- NFC subsystem;
- Open vSwitch;
- Rose network layer;
- Network traffic control;
- Wireless networking;
- Landlock security;
- Linux Security Modules (LSM) Framework;
- Tomoyo security module;
(CVE-2024-57973, CVE-2025-21728, CVE-2025-21684, CVE-2024-57980,
CVE-2025-21919, CVE-2025-21802, CVE-2025-21748, CVE-2024-58034,
CVE-2025-21877, CVE-2024-57981, CVE-2024-58071, CVE-2025-21926,
CVE-2025-21848, CVE-2025-21766, CVE-2024-57834, CVE-2024-58085,
CVE-2025-21914, CVE-2025-21758, CVE-2025-21707, CVE-2025-21726,
CVE-2025-21731, CVE-2025-21916, CVE-2025-21826, CVE-2025-21917,
CVE-2025-21760, CVE-2025-21925, CVE-2024-58086, CVE-2025-21948,
CVE-2025-21943, CVE-2025-21782, CVE-2024-56599, CVE-2025-21875,
CVE-2025-21753, CVE-2025-21721, CVE-2025-21711, CVE-2025-21787,
CVE-2025-21928, CVE-2024-57979, CVE-2025-21779, CVE-2025-21924,
CVE-2024-58020, CVE-2025-21905, CVE-2024-58002, CVE-2025-21744,
CVE-2025-21763, CVE-2024-58017, CVE-2025-21736, CVE-2024-58069,
CVE-2025-21715, CVE-2024-58083, CVE-2025-21934, CVE-2024-58055,
CVE-2025-21761, CVE-2025-21772, CVE-2025-21796, CVE-2025-21718,
CVE-2025-21719, CVE-2025-21887, CVE-2025-21806, CVE-2024-58063,
CVE-2025-21871, CVE-2025-21858, CVE-2025-21922, CVE-2025-21767,
CVE-2024-58058, CVE-2024-57986, CVE-2025-21971, CVE-2025-21912,
CVE-2025-21862, CVE-2024-58001, CVE-2024-58005, CVE-2024-58079,
CVE-2025-21749, CVE-2024-58076, CVE-2024-47726, CVE-2025-21722,
CVE-2024-58007, CVE-2024-26982, CVE-2024-58016, CVE-2025-21647,
CVE-2025-21814, CVE-2024-57978, CVE-2025-21823, CVE-2025-21795,
CVE-2025-21910, CVE-2024-58051, CVE-2024-58010, CVE-2025-21776,
CVE-2025-21859, CVE-2025-21950, CVE-2025-21811, CVE-2025-21935,
CVE-2025-21799, CVE-2025-21835, CVE-2024-58090, CVE-2025-21844,
CVE-2024-58052, CVE-2025-21951, CVE-2025-21865, CVE-2025-21820,
CVE-2025-21804, CVE-2025-21765, CVE-2025-21727, CVE-2025-21830,
CVE-2025-21846, CVE-2025-21781, CVE-2025-21704, CVE-2025-21735,
CVE-2024-58072, CVE-2025-21878, CVE-2025-21909, CVE-2024-56721,
CVE-2025-21866, CVE-2025-21904, CVE-2025-21898, CVE-2025-21920,
CVE-2025-21745, CVE-2025-21785, CVE-2025-21791, CVE-2024-57977,
CVE-2025-21764, CVE-2024-58014, CVE-2025-21762, CVE-2025-21708)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS
linux-image-5.15.0-1084-aws-fips 5.15.0-1084.91+fips1
Available with Ubuntu Pro
linux-image-aws-fips 5.15.0.1084.80
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-7510-6
https://ubuntu.com/security/notices/USN-7510-5
https://ubuntu.com/security/notices/USN-7510-4
https://ubuntu.com/security/notices/USN-7510-3
https://ubuntu.com/security/notices/USN-7510-2
https://ubuntu.com/security/notices/USN-7510-1
CVE-2024-26982, CVE-2024-47726, CVE-2024-56599, CVE-2024-56721,
CVE-2024-57834, CVE-2024-57973, CVE-2024-57977, CVE-2024-57978,
CVE-2024-57979, CVE-2024-57980, CVE-2024-57981, CVE-2024-57986,
CVE-2024-58001, CVE-2024-58002, CVE-2024-58005, CVE-2024-58007,
CVE-2024-58010, CVE-2024-58014, CVE-2024-58016, CVE-2024-58017,
CVE-2024-58020, CVE-2024-58034, CVE-2024-58051, CVE-2024-58052,
CVE-2024-58055, CVE-2024-58058, CVE-2024-58063, CVE-2024-58069,
CVE-2024-58071, CVE-2024-58072, CVE-2024-58076, CVE-2024-58079,
CVE-2024-58083, CVE-2024-58085, CVE-2024-58086, CVE-2024-58090,
CVE-2025-21647, CVE-2025-21684, CVE-2025-21704, CVE-2025-21707,
CVE-2025-21708, CVE-2025-21711, CVE-2025-21715, CVE-2025-21718,
CVE-2025-21719, CVE-2025-21721, CVE-2025-21722, CVE-2025-21726,
CVE-2025-21727, CVE-2025-21728, CVE-2025-21731, CVE-2025-21735,
CVE-2025-21736, CVE-2025-21744, CVE-2025-21745, CVE-2025-21748,
CVE-2025-21749, CVE-2025-21753, CVE-2025-21758, CVE-2025-21760,
CVE-2025-21761, CVE-2025-21762, CVE-2025-21763, CVE-2025-21764,
CVE-2025-21765, CVE-2025-21766, CVE-2025-21767, CVE-2025-21772,
CVE-2025-21776, CVE-2025-21779, CVE-2025-21781, CVE-2025-21782,
CVE-2025-21785, CVE-2025-21787, CVE-2025-21791, CVE-2025-21795,
CVE-2025-21796, CVE-2025-21799, CVE-2025-21802, CVE-2025-21804,
CVE-2025-21806, CVE-2025-21811, CVE-2025-21814, CVE-2025-21820,
CVE-2025-21823, CVE-2025-21826, CVE-2025-21830, CVE-2025-21835,
CVE-2025-21844, CVE-2025-21846, CVE-2025-21848, CVE-2025-21858,
CVE-2025-21859, CVE-2025-21862, CVE-2025-21865, CVE-2025-21866,
CVE-2025-21871, CVE-2025-21875, CVE-2025-21877, CVE-2025-21878,
CVE-2025-21887, CVE-2025-21898, CVE-2025-21904, CVE-2025-21905,
CVE-2025-21909, CVE-2025-21910, CVE-2025-21912, CVE-2025-21914,
CVE-2025-21916, CVE-2025-21917, CVE-2025-21919, CVE-2025-21920,
CVE-2025-21922, CVE-2025-21924, CVE-2025-21925, CVE-2025-21926,
CVE-2025-21928, CVE-2025-21934, CVE-2025-21935, CVE-2025-21943,
CVE-2025-21948, CVE-2025-21950, CVE-2025-21951, CVE-2025-21971
Package Information:
https://launchpad.net/ubuntu/+source/linux-aws-fips/5.15.0-1084.91+fips1
[USN-7537-1] net-tools vulnerability
=========================================================================
Ubuntu Security Notice USN-7537-1
May 27, 2025
net-tools vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 25.04
- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
Summary:
net-tools could be made to crash or run programs as your login if it
opened a specially crafted input.
Software Description:
- net-tools: NET-3 networking toolkit
Details:
It was discovered that net-tools incorrectly handled certain inputs.
An attacker could possible use this issue to cause a crash or execute
arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 25.04
net-tools 2.10-1.1ubuntu1.25.04.1
Ubuntu 24.10
net-tools 2.10-1.1ubuntu1.24.10.1
Ubuntu 24.04 LTS
net-tools 2.10-0.1ubuntu4.1
Ubuntu 22.04 LTS
net-tools 1.60+git20181103.0eebece-1ubuntu5.1
Ubuntu 20.04 LTS
net-tools 1.60+git20180626.aebd88e-1ubuntu1.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7537-1
CVE-2025-46836
Package Information:
https://launchpad.net/ubuntu/+source/net-tools/2.10-1.1ubuntu1.25.04.1
https://launchpad.net/ubuntu/+source/net-tools/2.10-1.1ubuntu1.24.10.1
https://launchpad.net/ubuntu/+source/net-tools/2.10-0.1ubuntu4.1
https://launchpad.net/ubuntu/+source/net-tools/1.60+git20181103.0eebece-1ubuntu5.1
https://launchpad.net/ubuntu/+source/net-tools/1.60+git20180626.aebd88e-1ubuntu1.1
[USN-7536-1] cifs-utils vulnerability
==========================================================================
Ubuntu Security Notice USN-7536-1
May 27, 2025
cifs-utils vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
Summary:
cifs-utils could be made to expose sensitive information.
Software Description:
- cifs-utils: Common Internet File System utilities
Details:
It was discovered that cifs-utils incorrectly handled namespaces when
obtaining Kerberos credentials. An attacker could possibly use this issue
to obtain sensitive information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 24.10
cifs-utils 2:7.0-2.1ubuntu0.1
Ubuntu 24.04 LTS
cifs-utils 2:7.0-2ubuntu0.1
Ubuntu 22.04 LTS
cifs-utils 2:6.14-1ubuntu0.2
Ubuntu 20.04 LTS
cifs-utils 2:6.9-1ubuntu0.3
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7536-1
CVE-2025-2312
Package Information:
https://launchpad.net/ubuntu/+source/cifs-utils/2:7.0-2.1ubuntu0.1
https://launchpad.net/ubuntu/+source/cifs-utils/2:7.0-2ubuntu0.1
https://launchpad.net/ubuntu/+source/cifs-utils/2:6.14-1ubuntu0.2
https://launchpad.net/ubuntu/+source/cifs-utils/2:6.9-1ubuntu0.3