EUVD-2026-24893
GHSA-q648-4769-6m83
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
8DescriptionNVD
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: MGMT: Fix dangling pointer on mgmt_add_adv_patterns_monitor_complete
This fixes the condition checking so mgmt_pending_valid is executed whenever status != -ECANCELED otherwise calling mgmt_pending_free(cmd) would kfree(cmd) without unlinking it from the list first, leaving a dangling pointer. Any subsequent list traversal (e.g., mgmt_pending_foreach during __mgmt_power_off, or another mgmt_pending_valid call) would dereference freed memory.
AnalysisAI
Use-after-free in Linux kernel Bluetooth MGMT subsystem allows local authenticated users to achieve arbitrary code execution, privilege escalation, or denial of service. The vulnerability stems from improper condition checking in mgmt_add_adv_patterns_monitor_complete(), which can leave dangling pointers after freeing memory without unlinking from the list. …
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RemediationAI
Within 24 hours: Identify all systems running Linux kernels prior to versions 6.12.80, 6.17, 6.18.21, 6.19.11, or 7.0, with focus on servers and devices with local user access. Within 7 days: Apply vendor-released patches to update to kernel versions 6.12.80, 6.17, 6.18.21, 6.19.11, 7.0 or later depending on distribution support lifecycle. …
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