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CVE-2023-52806

Status Candidate

Overview

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix possible null-ptr-deref when assigning a stream While AudioDSP drivers assign streams exclusively of HOST or LINK type, nothing blocks a user to attempt to assign a COUPLED stream. As supplied substream instance may be a stub, what is the case when code-loading, such scenario ends with null-ptr-deref.

Related Files

Ubuntu Security Notice USN-6972-4
Posted Aug 29, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6972-4 - Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux Kernel contained a race condition, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of service. It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A privileged local attacker could use this to possibly cause a denial of service.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2023-52470, CVE-2023-52760, CVE-2023-52806, CVE-2024-22099, CVE-2024-24860, CVE-2024-26600, CVE-2024-26654, CVE-2024-35835, CVE-2024-36901, CVE-2024-36940, CVE-2024-39292
SHA-256 | d6b50c131f18f6b9b7c0f2300ad92a70f2206c0991d489417cdd16254ef44e85
Ubuntu Security Notice USN-6972-3
Posted Aug 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6972-3 - Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux Kernel contained a race condition, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of service. It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A privileged local attacker could use this to possibly cause a denial of service.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2023-52470, CVE-2023-52760, CVE-2023-52806, CVE-2024-22099, CVE-2024-24860, CVE-2024-26600, CVE-2024-26654, CVE-2024-35835, CVE-2024-36901, CVE-2024-36940, CVE-2024-39292
SHA-256 | 3851e01a35e3009f6057ef8b82450d14866f3831ab11b59ea760316705789735
Ubuntu Security Notice USN-6972-2
Posted Aug 22, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6972-2 - Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux Kernel contained a race condition, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of service. It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A privileged local attacker could use this to possibly cause a denial of service.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2023-52470, CVE-2023-52760, CVE-2023-52806, CVE-2024-22099, CVE-2024-24860, CVE-2024-26600, CVE-2024-26654, CVE-2024-35835, CVE-2024-36901, CVE-2024-36940, CVE-2024-39292
SHA-256 | acaa7aeb3c375a4913a07e5d0aa74402fb2d43b16512470a070fadc35ed53462
Ubuntu Security Notice USN-6972-1
Posted Aug 22, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6972-1 - Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux Kernel contained a race condition, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of service. It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A privileged local attacker could use this to possibly cause a denial of service.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2023-52470, CVE-2023-52760, CVE-2023-52806, CVE-2024-22099, CVE-2024-24860, CVE-2024-26600, CVE-2024-26654, CVE-2024-35835, CVE-2024-36901, CVE-2024-36940, CVE-2024-39292
SHA-256 | 7044bddad2c32a2e95843e009e31f1f4c2072c24a8eedbaf8408e0060bfface0
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