CVE-2024-26715

usb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend

MEDIUM
5.5
CVSS Score
Published: April 3, 2024 at 02:55 PM UTC
Updated: June 17, 2026 at 07:18 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend In current scenario if Plug-out and Plug-In performed continuously there could be a chance while checking for dwc->gadget_driver in dwc3_gadget_suspend, a NULL pointer dereference may occur. Call Stack: CPU1: CPU2: gadget_unbind_driver dwc3_suspend_common dwc3_gadget_stop dwc3_gadget_suspend dwc3_disconnect_gadget CPU1 basically clears the variable and CPU2 checks the variable. Consider CPU1 is running and right before gadget_driver is cleared and in parallel CPU2 executes dwc3_gadget_suspend where it finds dwc->gadget_driver which is not NULL and resumes execution and then CPU1 completes execution. CPU2 executes dwc3_disconnect_gadget where it checks dwc->gadget_driver is already NULL because of which the NULL pointer deference occur.

Affected

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

v ≥ 3.16.81v ≥ 4.4.1783.16.81 ≤ v < 3.174.4.178 ≤ v < 4.54.6 ≤ v < 5.15.1494.6 ≤ v < 6.1.794.6 ≤ v < 6.6.184.6 ≤ v < 6.7.64.6 ≤ v < 6.85.16 ≤ v < 6.1.796.2 ≤ v < 6.6.186.7 ≤ v < 6.7.63.16.814.4.1786.8 rc16.8 rc28cca5c85393a7a490d4d7942c24d73d29cc77b3e9772b47a4c2916d645c551228b6085ea24acbe5ddf2ca3271569367352835f981618e284fdc4ca94
Vendor states this is fixed in 36695d5eeeefe5a64b47d0336e7c8fc144e78182 (fixed)
Vendor states this is fixed in 57e2e42ccd3cd6183228269715ed032f44536751 (fixed)
Vendor states this is fixed in 61a348857e869432e6a920ad8ea9132e8d44c316 (fixed)
Vendor states this is fixed in 88936ceab6b426f1312327e9ef849c215c6007a7 (fixed)
Vendor states this is fixed in c7ebd8149ee519d27232e6e4940e9c02071b568b (fixed)
Affected range stops below 3.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.5, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 4.6 (unaffected)
Vendor states this is fixed in 5.15.149 (unaffected)
Vendor states this is fixed in 6.1.79 (unaffected)
Vendor states this is fixed in 6.6.18 (unaffected)
Vendor states this is fixed in 6.7.6 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

References (5)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/36695d5eeeefe5a64b47d0336e7c8fc144e78182
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/57e2e42ccd3cd6183228269715ed032f44536751
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/61a348857e869432e6a920ad8ea9132e8d44c316
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/88936ceab6b426f1312327e9ef849c215c6007a7
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c7ebd8149ee519d27232e6e4940e9c02071b568b

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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