{"id":"CVE-2026-64334","state":"PUBLISHED","title":"USB: serial: digi_acceleport: fix hard lockup on disconnect","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: digi_acceleport: fix hard lockup on disconnect\n\nIf submitting the OOB write urb fails persistently (e.g if the device is\nbeing disconnected) the driver would loop indefinitely with interrupts\ndisabled.\n\nCheck for urb submission errors when sending OOB commands to avoid\nhanging if, for example, open(), set_termios() or close() races with a\nphysical disconnect.\n\nThis is issue was flagged by Sashiko when reviewing an unrelated change\nto the driver.","publishedAt":"2026-07-25T08:50:00.229Z","updatedAt":"2026-08-17T04:53:37.202Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"6e51147c2744d15730084dc89cc99180d3de4184","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"6a8592ace932081ea11aea41c460a1ca0f6344a4","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"5a82d842e8c35227d7227f19e5e654df1451782c","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"bcfeae431db9986c2b313e6a760f2ac8df61e138","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"2067b3838da6e4af03bae3630414193188d754b2","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"2b7dc482f859f2d027db07ff0efc1c5df5b3451a","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"79bc131df0e50f8f663c1fdbbe952aaf193a8d39","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"5c1ea24b53bf3bfb859f0a05573997487975da23","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/serial/digi_acceleport.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","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/serial/digi_acceleport.c"]}],"references":["https://git.kernel.org/stable/c/6e51147c2744d15730084dc89cc99180d3de4184","https://git.kernel.org/stable/c/6a8592ace932081ea11aea41c460a1ca0f6344a4","https://git.kernel.org/stable/c/5a82d842e8c35227d7227f19e5e654df1451782c","https://git.kernel.org/stable/c/bcfeae431db9986c2b313e6a760f2ac8df61e138","https://git.kernel.org/stable/c/2067b3838da6e4af03bae3630414193188d754b2","https://git.kernel.org/stable/c/2b7dc482f859f2d027db07ff0efc1c5df5b3451a","https://git.kernel.org/stable/c/79bc131df0e50f8f663c1fdbbe952aaf193a8d39","https://git.kernel.org/stable/c/5c1ea24b53bf3bfb859f0a05573997487975da23"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64334.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64334","state":"PUBLISHED","datePublished":"2026-07-25T08:50:00.229Z","dateUpdated":"2026-08-17T04:53:37.202Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T15:36:31.781Z"},"containers":{"cna":{"title":"USB: serial: digi_acceleport: fix hard lockup on disconnect","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: digi_acceleport: fix hard lockup on disconnect\n\nIf submitting the OOB write urb fails persistently (e.g if the device is\nbeing disconnected) the driver would loop indefinitely with interrupts\ndisabled.\n\nCheck for urb submission errors when sending OOB commands to avoid\nhanging if, for example, open(), set_termios() or close() races with a\nphysical disconnect.\n\nThis is issue was flagged by Sashiko when reviewing an unrelated change\nto the driver."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"6e51147c2744d15730084dc89cc99180d3de4184","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"6a8592ace932081ea11aea41c460a1ca0f6344a4","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"5a82d842e8c35227d7227f19e5e654df1451782c","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"bcfeae431db9986c2b313e6a760f2ac8df61e138","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"2067b3838da6e4af03bae3630414193188d754b2","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"2b7dc482f859f2d027db07ff0efc1c5df5b3451a","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"79bc131df0e50f8f663c1fdbbe952aaf193a8d39","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"5c1ea24b53bf3bfb859f0a05573997487975da23","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/serial/digi_acceleport.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","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/serial/digi_acceleport.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6e51147c2744d15730084dc89cc99180d3de4184"},{"url":"https://git.kernel.org/stable/c/6a8592ace932081ea11aea41c460a1ca0f6344a4"},{"url":"https://git.kernel.org/stable/c/5a82d842e8c35227d7227f19e5e654df1451782c"},{"url":"https://git.kernel.org/stable/c/bcfeae431db9986c2b313e6a760f2ac8df61e138"},{"url":"https://git.kernel.org/stable/c/2067b3838da6e4af03bae3630414193188d754b2"},{"url":"https://git.kernel.org/stable/c/2b7dc482f859f2d027db07ff0efc1c5df5b3451a"},{"url":"https://git.kernel.org/stable/c/79bc131df0e50f8f663c1fdbbe952aaf193a8d39"},{"url":"https://git.kernel.org/stable/c/5c1ea24b53bf3bfb859f0a05573997487975da23"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T04:53:37.202Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.12.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.18.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"7.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}