CVE-2023-53386

High

Description

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedSep 18, 2025
First seenSep 18, 2025

How to fix

Update
  • linux linux_kernel5.10.195, 5.15.132, 6.1.53, 6.4.16, 6.5.3 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.7 ≤ v < 5.10.195, 5.11 ≤ v < 5.15.132, 5.16 ≤ v < 6.1.53, 6.2 ≤ v < 6.4.16, 6.5 ≤ v < 6.5.35.10.195, 5.15.132, 6.1.53, 6.4.16, 6.5.3

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