Bug 2396419 (CVE-2023-53386) - CVE-2023-53386 kernel: Bluetooth: Fix potential use-after-free when clear keys
Summary: CVE-2023-53386 kernel: Bluetooth: Fix potential use-after-free when clear keys
Keywords:
Status: NEW
Alias: CVE-2023-53386
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-09-18 14:03 UTC by OSIDB Bzimport
Modified: 2025-09-24 18:18 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-09-18 14:03:55 UTC 
In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: Fix potential use-after-free when clear keys

Similar to commit c5d2b6fa26b5 ("Bluetooth: Fix use-after-free in
hci_remove_ltk/hci_remove_irk"). We can not access k after kfree_rcu()
call.
Comment 1 Keith Grant 2025-09-18 16:55:02 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025091857-CVE-2023-53386-8ab2@gregkh/T
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