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Linux‑AWS kernel Bluetooth and file‑share flaws allow remote code execution

published 1 year ago
Summary

The Linux kernel used in Amazon's Linux‑AWS image has a Bluetooth driver that does not properly check who can connect, letting a nearby attacker attach a rogue device and potentially run any code they want. The same kernel also mishandles certain network file‑share requests, which could expose confidential data. Apply the latest Linux‑AWS updates as soon as possible to get these fixes and protect your systems.

What to do
  • Update canonical linux-aws to version 5.15.0-1086.93.
Affected software
Ecosystem VendorProductAffected versions
Ubuntu:22.04:LTS canonical linux-aws < 5.15.0-1086.93
Fix: upgrade to 5.15.0-1086.93
Original advisory text
linux-aws vulnerabilities
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)

It was discovered that the CIFS network file system implementation in the
Linux kernel did not properly verify the target namespace when handling
upcalls. An attacker could use this to expose sensitive information.
(CVE-2025-2312)

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;
- SoC Audio for Freescale CPUs drivers;
(CVE-2025-23138, CVE-2025-21956, CVE-2025-21970, CVE-2025-22025,
CVE-2024-46753, CVE-2025-21962, CVE-2025-37889, CVE-2025-21992,
CVE-2025-39728, CVE-2025-22054, CVE-2025-21959, CVE-2024-53144,
CVE-2022-49728, CVE-2024-58093, CVE-2025-38637, CVE-2025-21981,
CVE-2025-21963, CVE-2025-21968, CVE-2025-22014, CVE-2024-46812,
CVE-2025-22005, CVE-2025-21994, CVE-2025-22071, CVE-2025-22008,
CVE-2022-49636, CVE-2025-22007, CVE-2023-53034, CVE-2025-22035,
CVE-2025-22010, CVE-2025-22081, CVE-2025-22021, CVE-2024-46821,
CVE-2025-21999, CVE-2025-38575, CVE-2025-22073, CVE-2025-22004,
CVE-2024-42230, CVE-2025-21941, CVE-2024-56664, CVE-2025-22044,
CVE-2025-39735, CVE-2025-22060, CVE-2025-22055, CVE-2025-21957,
CVE-2025-21975, CVE-2025-22075, CVE-2025-22089, CVE-2025-37937,
CVE-2025-38152, CVE-2025-22020, CVE-2025-22066, CVE-2025-22056,
CVE-2025-22050, CVE-2025-21964, CVE-2025-21996, CVE-2025-22079,
CVE-2025-23136, CVE-2025-22063, CVE-2024-36945, CVE-2025-22097,
CVE-2025-37785, CVE-2025-21991, CVE-2025-22086, CVE-2025-22045,
CVE-2025-22018)
References
Timeline
Published24 Jun 2025
Updated17 Oct 2026
First seen17 Oct 2026
Sources
USN-7591-4 · OSV
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