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CVE-2022-50247

usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq

MEDIUM
5.5
CVSS Score
Published: September 15, 2025 at 02:02 PM UTC
Updated: June 17, 2026 at 05:23 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq Can not set the @shared_hcd to NULL before decrease the usage count by usb_put_hcd(), this will cause the shared hcd not released.

Affected

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

Linux Kernel· Linux
95%
5.13 ≤ v < 5.15.865.13 ≤ v < 6.0.165.13 ≤ v < 6.1.25.13 ≤ v < 6.25.16 ≤ v < 6.0.166.1 ≤ v < 6.1.24284eb74e0c350be5e75eda178b97063343af135.13
Vendor states this is fixed in 03a88b0bafbe3f548729d970d8366f48718c9b19 (fixed)
Vendor states this is fixed in 05680a91ae60ddd0319e6618456f0883b5dd765d (fixed)
Vendor states this is fixed in c8e7463844888dc8344bbb9cbad88cdce9cb8077 (fixed)
Vendor states this is fixed in ffb14aac2658873050671198543b9b8194149c14 (fixed)
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 5.15.86 (unaffected)
Vendor states this is fixed in 6.0.16 (unaffected)
Vendor states this is fixed in 6.1.2 (unaffected)
Vendor states this is fixed in 6.2 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/03a88b0bafbe3f548729d970d8366f48718c9b19
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/05680a91ae60ddd0319e6618456f0883b5dd765d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c8e7463844888dc8344bbb9cbad88cdce9cb8077
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ffb14aac2658873050671198543b9b8194149c14

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

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