{"id":"CVE-2022-50544","title":"usb: host: xhci: Fix potential memory leak in xhci_alloc_stream_info()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: host: xhci: Fix potential memory leak in xhci_alloc_stream_info()\n\nxhci_alloc_stream_info() allocates stream context array for stream_info\n->stream_ctx_array with …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < 7fc6bab3413e6a42bb1264ff7c9149808c93a4c7","Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < e702de2f5c893bf2cdb0152191f99a6ad1411823","Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < ddab9fe76296840aad686c66888a9c1dfdbff5ff","Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < 9fa81cbd2dd300aa8fe9bac70e068b9a11cbb144","Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < 91271a3e772e180bbb8afb114c72fd294a02f93d","Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < fcd594da0b5955119d9707e4e0a8d0fb1c969101","Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < a40ad475236022f3432880e3091c380e46e71a71","Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < 782c873f8e7686f5b3c47e8b099f7e08c3dd1fdc","Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < 7e271f42a5cc3768cd2622b929ba66859ae21f97","Linux 2.6.35"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:13:30.334291Z"},"published":"2025-10-07","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:20:51.839Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50544","references":[{"url":"https://git.kernel.org/stable/c/7fc6bab3413e6a42bb1264ff7c9149808c93a4c7"},{"url":"https://git.kernel.org/stable/c/e702de2f5c893bf2cdb0152191f99a6ad1411823"},{"url":"https://git.kernel.org/stable/c/ddab9fe76296840aad686c66888a9c1dfdbff5ff"},{"url":"https://git.kernel.org/stable/c/9fa81cbd2dd300aa8fe9bac70e068b9a11cbb144"},{"url":"https://git.kernel.org/stable/c/91271a3e772e180bbb8afb114c72fd294a02f93d"},{"url":"https://git.kernel.org/stable/c/fcd594da0b5955119d9707e4e0a8d0fb1c969101"},{"url":"https://git.kernel.org/stable/c/a40ad475236022f3432880e3091c380e46e71a71"},{"url":"https://git.kernel.org/stable/c/782c873f8e7686f5b3c47e8b099f7e08c3dd1fdc"},{"url":"https://git.kernel.org/stable/c/7e271f42a5cc3768cd2622b929ba66859ae21f97"}],"tags":["cve.org"],"epss":0.00163,"epssPercentile":0.05559,"ingestedAt":"2026-11-05T22:38:31.748Z","slug":"CVE-2022-50544","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nusb: host: xhci: Fix potential memory leak in xhci_alloc_stream_info()\n\nxhci_alloc_stream_info() allocates stream context array for stream_info\n->stream_ctx_array with xhci_alloc_stream_ctx(). When some error occurs,\nstream_info->stream_ctx_array is not released, which will lead to a\nmemory leak.\n\nWe can fix it by releasing the stream_info->stream_ctx_array with\nxhci_free_stream_ctx() on the error path to avoid the potential memory\nleak.\n\n## Affected\n\n- `Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < 7fc6bab3413e6a42bb1264ff7c9149808c93a4c7`\n- `Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < e702de2f5c893bf2cdb0152191f99a6ad1411823`\n- `Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < ddab9fe76296840aad686c66888a9c1dfdbff5ff`\n- `Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < 9fa81cbd2dd300aa8fe9bac70e068b9a11cbb144`\n- `Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < 91271a3e772e180bbb8afb114c72fd294a02f93d`\n- `Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < fcd594da0b5955119d9707e4e0a8d0fb1c969101`\n- `Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < a40ad475236022f3432880e3091c380e46e71a71`\n- `Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < 782c873f8e7686f5b3c47e8b099f7e08c3dd1fdc`\n- `Linux >= 8df75f42f8e67e2851cdcf6da91640fb881defd1 < 7e271f42a5cc3768cd2622b929ba66859ae21f97`\n- `Linux 2.6.35`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}