5.5

CVE-2022-50247: usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq

Analyzed
AliasesUBUNTU-CVE-2022-50247DEBIAN-CVE-2022-50247
Published 15-09-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50247 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 4

Timeline

  1. 15-09-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.15% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu103 products
  • linux< 5.15.0-69.76
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1033.37
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 04284eb74e0c350be5e75eda178b97063343af13, < ffb14aac2658873050671198543b9b8194149c14 | ≥ 04284eb74e0c350be5e75eda178b97063343af13, < 05680a91ae60ddd0319e6618456f0883b5dd765d | ≥ 04284eb74e0c350be5e75eda178b97063343af13, < c8e7463844888dc8344bbb9cbad88cdce9cb8077 | ≥ 04284eb74e0c350be5e75eda178b97063343af13, < 03a88b0bafbe3f548729d970d8366f48718c9b19 | 5.13
  • linux_kernel≥ 5.13, < 5.15.86 | ≥ 5.16, < 6.0.16 | ≥ 6.1, < 6.1.2
Debian1 product
  • linux< 6.1.4-1

3 vendors · 106 products

References

8 links