{"id":"CVE-2026-64350","state":"PUBLISHED","title":"usb: cdnsp: fix stream context array leak in cdnsp_alloc_stream_info()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdnsp: fix stream context array leak in cdnsp_alloc_stream_info()\n\ncdnsp_alloc_stream_info() allocates stream_info->stream_ctx_array with\ncdnsp_alloc_stream_ctx(). If a later stream ring allocation or stream\nmapping update fails, the error path frees the allocated stream rings\nand stream_rings array, but leaves stream_ctx_array allocated.\n\nFree the stream context array before falling through to the stream_rings\ncleanup path.","publishedAt":"2026-07-25T08:50:10.270Z","updatedAt":"2026-08-17T04:53:55.657Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"37283f5a47127fbdea567749a2110766af53d18d","versionType":"git"},{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"cb8e9391b7f4f77d112c51910cd7c355a337ef76","versionType":"git"},{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"fde3c095e1d48e0ac3ab8bc32905da42fe58a36a","versionType":"git"},{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"d9643bbe93a6aee24edee1a86e0303aa74bcd320","versionType":"git"},{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"c00826e87bb75e14e0381b05da5f18ffd0241ab6","versionType":"git"},{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"963075c4da0cd43b3d17b107c355e1eb0ee64a58","versionType":"git"},{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"3348f444a4ce43dd5c2d1aa41634cb6eff33aa64","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/cdns3/cdnsp-mem.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.96","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/cdns3/cdnsp-mem.c"]}],"references":["https://git.kernel.org/stable/c/37283f5a47127fbdea567749a2110766af53d18d","https://git.kernel.org/stable/c/cb8e9391b7f4f77d112c51910cd7c355a337ef76","https://git.kernel.org/stable/c/fde3c095e1d48e0ac3ab8bc32905da42fe58a36a","https://git.kernel.org/stable/c/d9643bbe93a6aee24edee1a86e0303aa74bcd320","https://git.kernel.org/stable/c/c00826e87bb75e14e0381b05da5f18ffd0241ab6","https://git.kernel.org/stable/c/963075c4da0cd43b3d17b107c355e1eb0ee64a58","https://git.kernel.org/stable/c/3348f444a4ce43dd5c2d1aa41634cb6eff33aa64"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64350.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64350","state":"PUBLISHED","datePublished":"2026-07-25T08:50:10.270Z","dateUpdated":"2026-08-17T04:53:55.657Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T15:36:31.782Z"},"containers":{"cna":{"title":"usb: cdnsp: fix stream context array leak in cdnsp_alloc_stream_info()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdnsp: fix stream context array leak in cdnsp_alloc_stream_info()\n\ncdnsp_alloc_stream_info() allocates stream_info->stream_ctx_array with\ncdnsp_alloc_stream_ctx(). If a later stream ring allocation or stream\nmapping update fails, the error path frees the allocated stream rings\nand stream_rings array, but leaves stream_ctx_array allocated.\n\nFree the stream context array before falling through to the stream_rings\ncleanup path."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"37283f5a47127fbdea567749a2110766af53d18d","versionType":"git"},{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"cb8e9391b7f4f77d112c51910cd7c355a337ef76","versionType":"git"},{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"fde3c095e1d48e0ac3ab8bc32905da42fe58a36a","versionType":"git"},{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"d9643bbe93a6aee24edee1a86e0303aa74bcd320","versionType":"git"},{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"c00826e87bb75e14e0381b05da5f18ffd0241ab6","versionType":"git"},{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"963075c4da0cd43b3d17b107c355e1eb0ee64a58","versionType":"git"},{"version":"3d82904559f4f5a2622db1b21de3edf2eded7664","status":"affected","lessThan":"3348f444a4ce43dd5c2d1aa41634cb6eff33aa64","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/cdns3/cdnsp-mem.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.96","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/cdns3/cdnsp-mem.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/37283f5a47127fbdea567749a2110766af53d18d"},{"url":"https://git.kernel.org/stable/c/cb8e9391b7f4f77d112c51910cd7c355a337ef76"},{"url":"https://git.kernel.org/stable/c/fde3c095e1d48e0ac3ab8bc32905da42fe58a36a"},{"url":"https://git.kernel.org/stable/c/d9643bbe93a6aee24edee1a86e0303aa74bcd320"},{"url":"https://git.kernel.org/stable/c/c00826e87bb75e14e0381b05da5f18ffd0241ab6"},{"url":"https://git.kernel.org/stable/c/963075c4da0cd43b3d17b107c355e1eb0ee64a58"},{"url":"https://git.kernel.org/stable/c/3348f444a4ce43dd5c2d1aa41634cb6eff33aa64"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T04:53:55.657Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.12.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.18.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"7.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}