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CVE-2025-71108

nvd nist
Published: Jan 14, 2026Modified: Jun 17, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Handle incorrect num_connectors capability The UCSI spec states that the num_connectors field is 7 bits, and the 8th bit is reserved and should be set to zero. Some buggy FW has been known to set this bit, and it can lead to a system not booting. Flag that the FW is not behaving correctly, and auto-fix the value so that the system boots correctly. Found on Lenovo P1 G8 during Linux enablement program. The FW will be fixed, but seemed worth addressing in case it hit platforms that aren't officially Linux supported.

Affected (15)

Products: Linux: Linux Kernel
1 product
Linux Kernel
Configuration A
15 vulnerable
Vulnerable SoftwareAffected Versions
Linux
From 4.13.1 to 5.10.248
From 5.11 to 5.15.198
From 5.16 to 6.1.160
From 6.13 to 6.18.3
From 6.2 to 6.6.120
From 6.7 to 6.12.64
Version 4.13
Version 6.19 rc1
Version 6.19 rc2
Version 6.19 rc3
Version 6.19 rc4
Version 6.19 rc5
Version 6.19 rc6
Version 6.19 rc7
Version 6.19 rc8

References (7)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch

Timeline

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