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==========================================================================
Ubuntu Security Notice USN-7598-1
June 24, 2025
linux-azure-5.15 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-azure-5.15: Linux kernel for Microsoft Azure cloud systems
Details:
Michael Randrianantenaina discovered that the Bluetooth driver in the Linux
Kernel contained an improper access control vulnerability. A nearby
attacker could use this to connect a rougue device and possibly execute
arbitrary code. (CVE-2024-8805)
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;
- ACPI drivers;
- Clock framework and drivers;
- GPU drivers;
- HID subsystem;
- InfiniBand drivers;
- Media drivers;
- MemoryStick subsystem;
- Network drivers;
- Mellanox network drivers;
- NTB driver;
- PCI subsystem;
- Voltage and Current Regulator drivers;
- Remote Processor subsystem;
- SCSI subsystem;
- QCOM SoC drivers;
- Thermal drivers;
- BTRFS file system;
- Ext4 file system;
- JFS file system;
- Network file system (NFS) server daemon;
- NTFS3 file system;
- File systems infrastructure;
- Proc file system;
- SMB network file system;
- IPv6 networking;
- RDMA verbs API;
- SoC audio core drivers;
- Tracing infrastructure;
- Watch queue notification mechanism;
- 802.1Q VLAN protocol;
- Asynchronous Transfer Mode (ATM) subsystem;
- Bluetooth subsystem;
- Networking core;
- IPv4 networking;
- Netfilter;
- Network traffic control;
- SMC sockets;
- Sun RPC protocol;
- SoC Audio for Freescale CPUs drivers;
(CVE-2025-21959, CVE-2025-21996, CVE-2024-46821, CVE-2025-38575,
CVE-2025-22045, CVE-2025-21970, CVE-2025-21956, CVE-2025-21994,
CVE-2025-23136, CVE-2025-39735, CVE-2025-23138, CVE-2025-22020,
CVE-2025-21957, CVE-2025-22063, CVE-2025-21975, CVE-2025-22050,
CVE-2024-53144, CVE-2025-21991, CVE-2025-22035, CVE-2024-42230,
CVE-2025-22007, CVE-2025-22071, CVE-2025-22060, CVE-2025-22079,
CVE-2025-21999, CVE-2025-22081, CVE-2025-22021, CVE-2025-21964,
CVE-2024-56664, CVE-2024-56608, CVE-2025-38152, CVE-2025-21992,
CVE-2024-56551, CVE-2025-22089, CVE-2025-22075, CVE-2024-53168,
CVE-2022-49728, CVE-2022-49636, CVE-2025-22010, CVE-2025-38637,
CVE-2025-22004, CVE-2025-21963, CVE-2025-22086, CVE-2025-22097,
CVE-2025-21962, CVE-2025-22014, CVE-2024-46753, CVE-2025-22073,
CVE-2025-22018, CVE-2025-22044, CVE-2025-21941, CVE-2025-39728,
CVE-2025-22055, CVE-2025-37785, CVE-2025-22025, CVE-2025-22066,
CVE-2023-53034, CVE-2025-22008, CVE-2025-22054, CVE-2025-37937,
CVE-2025-37889, CVE-2025-22005, CVE-2025-21968, CVE-2024-58093,
CVE-2024-36945, CVE-2025-21981, CVE-2025-22056, CVE-2024-46812)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS
linux-image-5.15.0-1091-azure 5.15.0-1091.100~20.04.1
Available with Ubuntu Pro
linux-image-azure 5.15.0.1091.100~20.04.1
Available with Ubuntu Pro
linux-image-azure-cvm 5.15.0.1091.100~20.04.1
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-7598-1
CVE-2022-49636, CVE-2022-49728, CVE-2023-53034, CVE-2024-36945,
CVE-2024-42230, CVE-2024-46753, CVE-2024-46812, CVE-2024-46821,
CVE-2024-53144, CVE-2024-53168, CVE-2024-56551, CVE-2024-56608,
CVE-2024-56664, CVE-2024-58093, CVE-2024-8805, CVE-2025-21941,
CVE-2025-21956, CVE-2025-21957, CVE-2025-21959, CVE-2025-21962,
CVE-2025-21963, CVE-2025-21964, CVE-2025-21968, CVE-2025-21970,
CVE-2025-21975, CVE-2025-21981, CVE-2025-21991, CVE-2025-21992,
CVE-2025-21994, CVE-2025-21996, CVE-2025-21999, CVE-2025-22004,
CVE-2025-22005, CVE-2025-22007, CVE-2025-22008, CVE-2025-22010,
CVE-2025-22014, CVE-2025-22018, CVE-2025-22020, CVE-2025-22021,
CVE-2025-22025, CVE-2025-22035, CVE-2025-22044, CVE-2025-22045,
CVE-2025-22050, CVE-2025-22054, CVE-2025-22055, CVE-2025-22056,
CVE-2025-22060, CVE-2025-22063, CVE-2025-22066, CVE-2025-22071,
CVE-2025-22073, CVE-2025-22075, CVE-2025-22079, CVE-2025-22081,
CVE-2025-22086, CVE-2025-22089, CVE-2025-22097, CVE-2025-23136,
CVE-2025-23138, CVE-2025-37785, CVE-2025-37889, CVE-2025-37937,
CVE-2025-38152, CVE-2025-38575, CVE-2025-38637, CVE-2025-39728,
CVE-2025-39735
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