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CVE-2022-50544 (GCVE-0-2022-50544)

Vulnerability from cvelistv5 – Published: 2025-10-07 15:21 – Updated: 2026-05-11 19:21
VLAI
Title
usb: host: xhci: Fix potential memory leak in xhci_alloc_stream_info()
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: host: xhci: Fix potential memory leak in xhci_alloc_stream_info() xhci_alloc_stream_info() allocates stream context array for stream_info ->stream_ctx_array with xhci_alloc_stream_ctx(). When some error occurs, stream_info->stream_ctx_array is not released, which will lead to a memory leak. We can fix it by releasing the stream_info->stream_ctx_array with xhci_free_stream_ctx() on the error path to avoid the potential memory leak.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 8df75f42f8e67e2851cdcf6da91640fb881defd1 , < 7fc6bab3413e6a42bb1264ff7c9149808c93a4c7 (git)
Affected: 8df75f42f8e67e2851cdcf6da91640fb881defd1 , < e702de2f5c893bf2cdb0152191f99a6ad1411823 (git)
Affected: 8df75f42f8e67e2851cdcf6da91640fb881defd1 , < ddab9fe76296840aad686c66888a9c1dfdbff5ff (git)
Affected: 8df75f42f8e67e2851cdcf6da91640fb881defd1 , < 9fa81cbd2dd300aa8fe9bac70e068b9a11cbb144 (git)
Affected: 8df75f42f8e67e2851cdcf6da91640fb881defd1 , < 91271a3e772e180bbb8afb114c72fd294a02f93d (git)
Affected: 8df75f42f8e67e2851cdcf6da91640fb881defd1 , < fcd594da0b5955119d9707e4e0a8d0fb1c969101 (git)
Affected: 8df75f42f8e67e2851cdcf6da91640fb881defd1 , < a40ad475236022f3432880e3091c380e46e71a71 (git)
Affected: 8df75f42f8e67e2851cdcf6da91640fb881defd1 , < 782c873f8e7686f5b3c47e8b099f7e08c3dd1fdc (git)
Affected: 8df75f42f8e67e2851cdcf6da91640fb881defd1 , < 7e271f42a5cc3768cd2622b929ba66859ae21f97 (git)
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Linux Linux Affected: 2.6.35
Unaffected: 0 , < 2.6.35 (semver)
Unaffected: 4.9.331 , ≤ 4.9.* (semver)
Unaffected: 4.14.296 , ≤ 4.14.* (semver)
Unaffected: 4.19.262 , ≤ 4.19.* (semver)
Unaffected: 5.4.220 , ≤ 5.4.* (semver)
Unaffected: 5.10.150 , ≤ 5.10.* (semver)
Unaffected: 5.15.75 , ≤ 5.15.* (semver)
Unaffected: 5.19.17 , ≤ 5.19.* (semver)
Unaffected: 6.0.3 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)
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    "redhat_vex": {
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      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: usb: host: xhci: Fix potential memory leak in xhci_alloc_stream_info()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-50544.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T01:22:37Z",
      "cve": "CVE-2022-50544",
      "id": "CVE-2022-50544",
      "initial_release_date": "2025-10-07T23:49:19Z",
      "product_status:known_affected": "507",
      "product_status:known_not_affected": "172",
      "product_status:recommended": "345",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-50544",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-50544.json",
      "version": "47"
    }
  }
}