CVE-2024-35850

Bluetooth: qca: fix NULL-deref on non-serdev setup

MEDIUM
5.5
CVSS Score
Published: May 17, 2024 at 02:47 PM UTC
Updated: June 17, 2026 at 07:35 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: fix NULL-deref on non-serdev setup Qualcomm ROME controllers can be registered from the Bluetooth line discipline and in this case the HCI UART serdev pointer is NULL. Add the missing sanity check to prevent a NULL-pointer dereference when setup() is called for a non-serdev controller.

Affected

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

6.2 ≤ v < 6.6.306.2 ≤ v < 6.8.96.2 ≤ v < 6.96.7 ≤ v < 6.8.96.9 rc16.9 rc26.9 rc36.9 rc46.9 rc5e9b3e5b8c65733f626a7ee919c4bc895b51d7bb2
Vendor states this is fixed in 67459f1a707aae6d590454de07956c2752e21ea4 (fixed)
Vendor states this is fixed in 7ddb9de6af0f1c71147785b12fd7c8ec3f06cc86 (fixed)
Vendor states this is fixed in bec4d4c6fa5c6526409f582e4f31144e20c86c21 (fixed)
Vendor states this is fixed in 6.2 (unaffected)
Vendor states this is fixed in 6.6.30 (unaffected)
Vendor states this is fixed in 6.8.9 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/67459f1a707aae6d590454de07956c2752e21ea4
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7ddb9de6af0f1c71147785b12fd7c8ec3f06cc86
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bec4d4c6fa5c6526409f582e4f31144e20c86c21

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

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

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