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CVE-2023-52938

usb: typec: ucsi: Don't attempt to resume the ports before they exist

MEDIUM
5.5
CVSS Score
Published: March 27, 2025 at 04:37 PM UTC
Updated: June 17, 2026 at 06:43 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: usb: typec: ucsi: Don't attempt to resume the ports before they exist This will fix null pointer dereference that was caused by the driver attempting to resume ports that were not yet registered.

Affected

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

Linux Kernel· Linux
95%
v ≥ 6.0.156.0.15 ≤ v < 6.16.1.1 ≤ v < 6.1.11160416b397c362e37b590040a089604dd1f37de16.0.156.1.19222912924fcf56e2d166a503eddbdb5ffd2005fe0dced9c7d4763fd97c86a13902d135f03cc42eb
Vendor states this is fixed in f82060da749c611ed427523b6d1605d87338aac1 (fixed)
Vendor states this is fixed in fdd11d7136fd070b3a74d6d8799d9eac28a57fc5 (fixed)
Affected range stops below 6.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.11, so it looks safe — our inference, not a vendor statement

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/f82060da749c611ed427523b6d1605d87338aac1
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fdd11d7136fd070b3a74d6d8799d9eac28a57fc5

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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