{"id":"CVE-2026-64342","state":"PUBLISHED","title":"USB: iowarrior: fix use-after-free on disconnect","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: iowarrior: fix use-after-free on disconnect\n\nSubmitted write URBs are not stopped on close() and therefore need to be\nstopped unconditionally on disconnect() to avoid use-after-free in the\ncompletion handler.","publishedAt":"2026-07-25T08:50:05.169Z","updatedAt":"2026-08-17T04:53:46.066Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"d058d377291567b72aea33b017215cbfb383b0ad","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"a7bbe946ca3a6eeb6f364d5e84b05e02c7c0d595","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"97ad9337127be04ca0b027c2b01e69302353f404","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"164398601a7f160bc3df1efa454f983302cef03f","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"f328b0e9a0dbd162f5db1b83026b689f2fea2241","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"b748f97aff339e7f08dca9cf38a05b980fb66fea","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"e4596816984efc537e7c04c1af0c639394f967f7","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"bc0e4f16c44e50daa0b1ea729934baa3b4815dee","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/misc/iowarrior.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.21","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.21","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","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/misc/iowarrior.c"]}],"references":["https://git.kernel.org/stable/c/d058d377291567b72aea33b017215cbfb383b0ad","https://git.kernel.org/stable/c/a7bbe946ca3a6eeb6f364d5e84b05e02c7c0d595","https://git.kernel.org/stable/c/97ad9337127be04ca0b027c2b01e69302353f404","https://git.kernel.org/stable/c/164398601a7f160bc3df1efa454f983302cef03f","https://git.kernel.org/stable/c/f328b0e9a0dbd162f5db1b83026b689f2fea2241","https://git.kernel.org/stable/c/b748f97aff339e7f08dca9cf38a05b980fb66fea","https://git.kernel.org/stable/c/e4596816984efc537e7c04c1af0c639394f967f7","https://git.kernel.org/stable/c/bc0e4f16c44e50daa0b1ea729934baa3b4815dee"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64342.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64342","state":"PUBLISHED","datePublished":"2026-07-25T08:50:05.169Z","dateUpdated":"2026-08-17T04:53:46.066Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T15:36:31.781Z"},"containers":{"cna":{"title":"USB: iowarrior: fix use-after-free on disconnect","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: iowarrior: fix use-after-free on disconnect\n\nSubmitted write URBs are not stopped on close() and therefore need to be\nstopped unconditionally on disconnect() to avoid use-after-free in the\ncompletion handler."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"d058d377291567b72aea33b017215cbfb383b0ad","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"a7bbe946ca3a6eeb6f364d5e84b05e02c7c0d595","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"97ad9337127be04ca0b027c2b01e69302353f404","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"164398601a7f160bc3df1efa454f983302cef03f","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"f328b0e9a0dbd162f5db1b83026b689f2fea2241","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"b748f97aff339e7f08dca9cf38a05b980fb66fea","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"e4596816984efc537e7c04c1af0c639394f967f7","versionType":"git"},{"version":"946b960d13c15f050a3b848987aaca79f6a459b7","status":"affected","lessThan":"bc0e4f16c44e50daa0b1ea729934baa3b4815dee","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/misc/iowarrior.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.21","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.21","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","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/misc/iowarrior.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d058d377291567b72aea33b017215cbfb383b0ad"},{"url":"https://git.kernel.org/stable/c/a7bbe946ca3a6eeb6f364d5e84b05e02c7c0d595"},{"url":"https://git.kernel.org/stable/c/97ad9337127be04ca0b027c2b01e69302353f404"},{"url":"https://git.kernel.org/stable/c/164398601a7f160bc3df1efa454f983302cef03f"},{"url":"https://git.kernel.org/stable/c/f328b0e9a0dbd162f5db1b83026b689f2fea2241"},{"url":"https://git.kernel.org/stable/c/b748f97aff339e7f08dca9cf38a05b980fb66fea"},{"url":"https://git.kernel.org/stable/c/e4596816984efc537e7c04c1af0c639394f967f7"},{"url":"https://git.kernel.org/stable/c/bc0e4f16c44e50daa0b1ea729934baa3b4815dee"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T04:53:46.066Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.12.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.18.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"7.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}