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A vulnerability in the Linux kernel's Bluetooth subsystem (btmtk driver) was fixed to address a memory leak where the setup_packet of a control urb was not freed in certain error paths. This issue could lead to resource leaks affecting system stability. The vulnerability has a medium severity with a CVSS score of 5.5 and does not impact confidentiality or integrity but affects availability. A patch is available and included in various Linux kernel versions for Ubuntu distributions.

The Linux kernel Bluetooth btmtk driver had a vulnerability where the setup_packet of a control urb was not freed if usb_submit_urb failed or if the submitted urb was killed, causing a memory leak. This flaw was resolved by adding the necessary free calls in these error paths. The issue affects multiple Ubuntu kernel versions prior to 7.0.0-28.28~24.04.1 and others as listed. The vulnerability has a CVSS 3.1 score of 5.5 (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H), indicating local attack vector with low complexity and no user interaction required, resulting in an availability impact only. The vendor has released patches as part of Ubuntu security notices USN-8593-1 and USN-8603-1, which address this and other kernel vulnerabilities.

Detailed information about Linux hwe edge: (In the Linux kernel, the following vulnerability has been resolved: B ...) affecting null linux-hwe-edge. Get real-t

Linux hwe edge: (In the Linux kernel, the following vulnerability has been resolved: B ...) - Live Threat Intelligence - Threat Radar | OffSeq.com

Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: fix urb->setup_packet leak in error paths The setup_packet of… (CVE-2026-64144)

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: btmtk: fix urb->setup_packet leak in error paths

The setup_packet of control urb is not freed if usb_submit_urb fails or
the submitted urb is killed. Add free in these two paths.

The Linux kernel Bluetooth driver btmtk had a resource management flaw where the setup_packet associated with a control urb was leaked in error conditions, specifically when usb_submit_urb failed or when the urb was killed. This could lead to memory leaks affecting system stability or resource exhaustion. The vulnerability has been fixed by ensuring the setup_packet is freed in these error paths.

Detailed information about In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: fix urb->setup_packet leak in error paths The s

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: fix urb->setup_packet leak in error paths The setup_packet of… (CVE-2026-64144) - Live Threat Intelligence - Threat Radar | OffSeq.com

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: fix urb->setup_packet leak in error paths The setup_packet of… (CVE-2026-64144)


Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: fix urb->setup_packet leak in error paths The setup_packet of… (CVE-2026-64144)CVE-2026-64144 0 A vulnerability in the Linux kernel's Bluetooth subsystem (btmtk driver) was fixed to address a memory leak where the setup_packet of a control urb was not freed in certain error paths. This issue could lead to resource leaks affecting system stability. The vulnerability has a medium severity with a CVSS score of 5.5 and does not impact confidentiality or integrity but affects availability. A patch is available and included in various Linux kernel versions for Ubuntu distributions. LowVulnerability#gcve #osv #ubuntu-cve-2026-64144 Join the discussion	GCVE Database	07/20/2026, 00:00:00 UTC Added: 07/21/2026, 19:58:48 UTC
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: fix urb->setup_packet leak in error paths The setup_packet of… (CVE-2026-64144)CVE-2026-64144 0 In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: fix urb->setup_packet leak in error paths The setup_packet of control urb is not freed if usb_submit_urb fails or the submitted urb is killed. Add free in these two paths. MediumVulnerability#gcve #osv #ghsa-wh4m-6pmv-mq2m Join the discussion	GCVE Database	07/19/2026, 18:31:53 UTC Added: 07/19/2026, 19:38:16 UTC

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