[USN-7651-2] Linux kernel vulnerabilities

Giampaolo Fresi Roglia giampaolo.fresi.roglia at canonical.com
Fri Jul 18 10:11:31 UTC 2025 

==========================================================================
Ubuntu Security Notice USN-7651-2
July 18, 2025

linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8
vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux-ibm: Linux kernel for IBM cloud systems
- linux-lowlatency: Linux low latency kernel
- linux-ibm-6.8: Linux kernel for IBM cloud systems
- linux-lowlatency-hwe-6.8: Linux low latency 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:
  - PowerPC architecture;
  - S390 architecture;
  - Block layer subsystem;
  - Serial ATA and Parallel ATA drivers;
  - Drivers core;
  - Network block device driver;
  - Character device driver;
  - TPM device driver;
  - Clock framework and drivers;
  - FireWire subsystem;
  - GPU drivers;
  - HID subsystem;
  - I3C subsystem;
  - InfiniBand drivers;
  - IOMMU subsystem;
  - Media drivers;
  - NVIDIA Tegra memory controller driver;
  - Fastrpc Driver;
  - Network drivers;
  - Operating Performance Points (OPP) driver;
  - PCI subsystem;
  - x86 platform drivers;
  - PPS (Pulse Per Second) driver;
  - PTP clock framework;
  - Remote Processor subsystem;
  - Real Time Clock drivers;
  - SCSI subsystem;
  - QCOM SoC drivers;
  - Media staging drivers;
  - TTY drivers;
  - UFS subsystem;
  - USB Gadget drivers;
  - USB Host Controller drivers;
  - File systems infrastructure;
  - BTRFS file system;
  - F2FS file system;
  - NILFS2 file system;
  - SMB network file system;
  - UBI file system;
  - Timer subsystem;
  - KVM subsystem;
  - Networking core;
  - ptr_ring data structure definitions;
  - Networking subsytem;
  - Amateur Radio drivers;
  - XFRM subsystem;
  - Tracing infrastructure;
  - BPF subsystem;
  - Padata parallel execution mechanism;
  - printk logging mechanism;
  - Memory management;
  - Bluetooth subsystem;
  - IPv4 networking;
  - IPv6 networking;
  - MAC80211 subsystem;
  - Multipath TCP;
  - Netfilter;
  - NFC subsystem;
  - Rose network layer;
  - RxRPC session sockets;
  - Network traffic control;
  - Landlock security;
  - Linux Security Modules (LSM) Framework;
  - Tomoyo security module;
  - SoC audio core drivers;
(CVE-2024-57980, CVE-2024-57999, CVE-2025-21727, CVE-2024-58058,
CVE-2024-58052, CVE-2025-21739, CVE-2025-21722, CVE-2024-58072,
CVE-2025-21748, CVE-2024-57993, CVE-2024-58003, CVE-2024-58077,
CVE-2025-21734, CVE-2024-58070, CVE-2025-21719, CVE-2024-58006,
CVE-2025-21826, CVE-2024-58061, CVE-2025-21745, CVE-2025-21715,
CVE-2024-58078, CVE-2025-21829, CVE-2024-49887, CVE-2025-21742,
CVE-2025-21721, CVE-2025-21724, CVE-2025-21828, CVE-2025-21814,
CVE-2025-21801, CVE-2024-57953, CVE-2024-58081, CVE-2024-58080,
CVE-2025-21753, CVE-2025-21732, CVE-2025-21811, CVE-2025-37974,
CVE-2024-58068, CVE-2024-58010, CVE-2024-58011, CVE-2024-58085,
CVE-2025-21714, CVE-2025-21705, CVE-2025-21735, CVE-2024-58001,
CVE-2024-58082, CVE-2024-58055, CVE-2025-21743, CVE-2025-21716,
CVE-2024-57998, CVE-2025-21731, CVE-2024-58017, CVE-2024-58053,
CVE-2025-21808, CVE-2024-57997, CVE-2024-58016, CVE-2024-58076,
CVE-2025-21710, CVE-2025-21738, CVE-2025-21809, CVE-2025-21733,
CVE-2025-21810, CVE-2024-57996, CVE-2024-58005, CVE-2025-21720,
CVE-2025-21728, CVE-2024-58054, CVE-2024-58057, CVE-2025-21725,
CVE-2025-21812, CVE-2025-21830, CVE-2024-58014, CVE-2025-21832,
CVE-2024-58002, CVE-2025-21802, CVE-2024-57986, CVE-2025-21749,
CVE-2024-58018, CVE-2024-57984, CVE-2025-21736, CVE-2024-58079,
CVE-2024-58034, CVE-2024-57973, CVE-2024-57974, CVE-2025-21718,
CVE-2025-21723, CVE-2024-58019, CVE-2025-21820, CVE-2024-58013,
CVE-2025-21707, CVE-2024-58071, CVE-2025-21711, CVE-2024-58056,
CVE-2024-58007, CVE-2024-58051, CVE-2025-21815, CVE-2024-57982,
CVE-2025-21799, CVE-2025-21754, CVE-2025-21708, CVE-2025-21798,
CVE-2024-57979, CVE-2024-57981, CVE-2024-58069, CVE-2025-21744,
CVE-2025-21741, CVE-2024-58063, CVE-2024-58083, CVE-2024-57994,
CVE-2025-21804, CVE-2025-21825, CVE-2024-57990, CVE-2025-21726,
CVE-2025-21806, CVE-2024-57975, CVE-2025-21750, CVE-2025-21816,
CVE-2025-37750)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
  linux-image-6.8.0-1029-ibm      6.8.0-1029.29
  linux-image-6.8.0-64-lowlatency  6.8.0-64.67.1
  linux-image-6.8.0-64-lowlatency-64k  6.8.0-64.67.1
  linux-image-ibm                 6.8.0-1029.29
  linux-image-ibm-6.8             6.8.0-1029.29
  linux-image-ibm-classic         6.8.0-1029.29
  linux-image-ibm-lts-24.04       6.8.0-1029.29
  linux-image-lowlatency          6.8.0-64.67.1
  linux-image-lowlatency-6.8      6.8.0-64.67.1
  linux-image-lowlatency-64k      6.8.0-64.67.1
  linux-image-lowlatency-64k-6.8  6.8.0-64.67.1

Ubuntu 22.04 LTS
  linux-image-6.8.0-1029-ibm      6.8.0-1029.29~22.04.1
  linux-image-6.8.0-64-lowlatency  6.8.0-64.67.1~22.04.1
  linux-image-6.8.0-64-lowlatency-64k  6.8.0-64.67.1~22.04.1
  linux-image-ibm-6.8             6.8.0-1029.29~22.04.1
  linux-image-lowlatency-6.8      6.8.0-64.67.1~22.04.1
  linux-image-lowlatency-64k-6.8  6.8.0-64.67.1~22.04.1
  linux-image-lowlatency-64k-hwe-22.04  6.8.0-64.67.1~22.04.1
  linux-image-lowlatency-hwe-22.04  6.8.0-64.67.1~22.04.1

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-7651-2
  https://ubuntu.com/security/notices/USN-7651-1
  CVE-2024-49887, CVE-2024-57953, CVE-2024-57973, CVE-2024-57974,
  CVE-2024-57975, CVE-2024-57979, CVE-2024-57980, CVE-2024-57981,
  CVE-2024-57982, CVE-2024-57984, CVE-2024-57986, CVE-2024-57990,
  CVE-2024-57993, CVE-2024-57994, CVE-2024-57996, CVE-2024-57997,
  CVE-2024-57998, CVE-2024-57999, CVE-2024-58001, CVE-2024-58002,
  CVE-2024-58003, CVE-2024-58005, CVE-2024-58006, CVE-2024-58007,
  CVE-2024-58010, CVE-2024-58011, CVE-2024-58013, CVE-2024-58014,
  CVE-2024-58016, CVE-2024-58017, CVE-2024-58018, CVE-2024-58019,
  CVE-2024-58034, CVE-2024-58051, CVE-2024-58052, CVE-2024-58053,
  CVE-2024-58054, CVE-2024-58055, CVE-2024-58056, CVE-2024-58057,
  CVE-2024-58058, CVE-2024-58061, CVE-2024-58063, CVE-2024-58068,
  CVE-2024-58069, CVE-2024-58070, CVE-2024-58071, CVE-2024-58072,
  CVE-2024-58076, CVE-2024-58077, CVE-2024-58078, CVE-2024-58079,
  CVE-2024-58080, CVE-2024-58081, CVE-2024-58082, CVE-2024-58083,
  CVE-2024-58085, CVE-2025-21705, CVE-2025-21707, CVE-2025-21708,
  CVE-2025-21710, CVE-2025-21711, CVE-2025-21714, CVE-2025-21715,
  CVE-2025-21716, CVE-2025-21718, CVE-2025-21719, CVE-2025-21720,
  CVE-2025-21721, CVE-2025-21722, CVE-2025-21723, CVE-2025-21724,
  CVE-2025-21725, CVE-2025-21726, CVE-2025-21727, CVE-2025-21728,
  CVE-2025-21731, CVE-2025-21732, CVE-2025-21733, CVE-2025-21734,
  CVE-2025-21735, CVE-2025-21736, CVE-2025-21738, CVE-2025-21739,
  CVE-2025-21741, CVE-2025-21742, CVE-2025-21743, CVE-2025-21744,
  CVE-2025-21745, CVE-2025-21748, CVE-2025-21749, CVE-2025-21750,
  CVE-2025-21753, CVE-2025-21754, CVE-2025-21798, CVE-2025-21799,
  CVE-2025-21801, CVE-2025-21802, CVE-2025-21804, CVE-2025-21806,
  CVE-2025-21808, CVE-2025-21809, CVE-2025-21810, CVE-2025-21811,
  CVE-2025-21812, CVE-2025-21814, CVE-2025-21815, CVE-2025-21816,
  CVE-2025-21820, CVE-2025-21825, CVE-2025-21826, CVE-2025-21828,
  CVE-2025-21829, CVE-2025-21830, CVE-2025-21832, CVE-2025-37750,
  CVE-2025-37974

Package Information:
  https://launchpad.net/ubuntu/+source/linux-ibm/6.8.0-1029.29
  https://launchpad.net/ubuntu/+source/linux-lowlatency/6.8.0-64.67.1
  https://launchpad.net/ubuntu/+source/linux-ibm-6.8/6.8.0-1029.29~22.04.1
  https://launchpad.net/ubuntu/+source/linux-lowlatency-hwe-6.8/6.8.0-64.67.1~22.04.1

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