vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2022-49202

Bluetooth: hci_uart: add missing NULL check in h5_enqueue

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 01:55 AM UTC
Updated: June 17, 2026 at 05:17 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_uart: add missing NULL check in h5_enqueue Syzbot hit general protection fault in __pm_runtime_resume(). The problem was in missing NULL check. hu->serdev can be NULL and we should not blindly pass &serdev->dev somewhere, since it will cause GPF.

Affected

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

Linux Kernel· Linux
95%
5.15 ≤ v < 5.15.335.15 ≤ v < 5.16.195.15 ≤ v < 5.17.25.15 ≤ v < 5.185.16 ≤ v < 5.16.195.17 ≤ v < 5.17.25.15d9dd833cf6d29695682ec7e7924c0d0992b906bc
Vendor states this is fixed in 32cb08e958696908a9aad5e49a78d74f7e32fffb (fixed)
Vendor states this is fixed in 7235485433d290367d60ae22fcdfc565e61d42ab (fixed)
Vendor states this is fixed in 8a3896c30f542439d36303183dc96f65df8cc528 (fixed)
Vendor states this is fixed in e6b6c904c0f88588b6a3ace20e4c0d61eab124f8 (fixed)
Vendor states this is fixed in 5.15 (unaffected)
Vendor states this is fixed in 5.15.33 (unaffected)
Vendor states this is fixed in 5.16.19 (unaffected)
Vendor states this is fixed in 5.17.2 (unaffected)
Vendor states this is fixed in 5.18 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/32cb08e958696908a9aad5e49a78d74f7e32fffb
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7235485433d290367d60ae22fcdfc565e61d42ab
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8a3896c30f542439d36303183dc96f65df8cc528
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e6b6c904c0f88588b6a3ace20e4c0d61eab124f8

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card