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CVE-2022-49136

Bluetooth: hci_sync: Fix queuing commands when HCI_UNREGISTER is set

HIGH
7.8
CVSS Score
Published: February 26, 2025 at 01:55 AM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Fix queuing commands when HCI_UNREGISTER is set hci_cmd_sync_queue shall return an error if HCI_UNREGISTER flag has been set as that means hci_unregister_dev has been called so it will likely cause a uaf after the timeout as the hdev will be freed.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.17 ≤ v < 5.17.35.17 ≤ v < 5.185.176a98e3836fa2077b169f10a35c2ca9952d53f987
Vendor states this is fixed in 0b94f2651f56b9e4aa5f012b0d7eb57308c773cf (fixed)
Vendor states this is fixed in 1c69ef84a808676cceb69210addf5df45b741323 (fixed)
Vendor states this is fixed in 5.17 (unaffected)
Vendor states this is fixed in 5.17.3 (unaffected)
Vendor states this is fixed in 5.18 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0b94f2651f56b9e4aa5f012b0d7eb57308c773cf
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1c69ef84a808676cceb69210addf5df45b741323

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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