CVE-2024-35933

Bluetooth: btintel: Fix null ptr deref in btintel_read_version

MEDIUM

5.5

CVSS Score

Published: May 19, 2024 at 10:10 AM UTC

Updated: October 15, 2026 at 01:17 AM UTC

3 products affected across 3 vendorsLinux KernelDebian LinuxSIMATIC S7-1500 TM MFP

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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: btintel: Fix null ptr deref in btintel_read_version If hci_cmd_sync_complete() is triggered and skb is NULL, then hdev->req_skb is NULL, which will cause this issue.

Affected

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

Debian Linux · Debiandrupal

95%

10.0

Linux Kernel · Linux

95%

v < 4.19.3124.20 ≤ v < 5.4.2745.11 ≤ v < 5.15.1555.16 ≤ v < 6.1.865.5 ≤ v < 5.10.2156.2 ≤ v < 6.6.276.7 ≤ v < 6.8.65.17abfeea476c68afea54c9c050a2d3b19d5d2ee873

Vendor states this is fixed in 22d3053ef05f0b5045e45bd91e7473846261d65e (fixed)

Vendor states this is fixed in b19fe5eea619d54eea59bb8a37c0f8d00ef0e912 (fixed)

Vendor states this is fixed in b79e040910101b020931ba0c9a6b77e81ab7f645 (fixed)

Vendor states this is fixed in ffdca0a62abaf8c41d8d9ea132000fd808de329b (fixed)

Affected range stops below 4.19.312, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.10.215, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.15.155, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 5.17 (unaffected)

Affected range stops below 5.4.274, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 6.1.86 (unaffected)

Vendor states this is fixed in 6.6.27 (unaffected)

Vendor states this is fixed in 6.8.6 (unaffected)