{"id":"CVE-2026-64335","state":"PUBLISHED","title":"USB: serial: digi_acceleport: fix broken rx after throttle","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: digi_acceleport: fix broken rx after throttle\n\nIf the port is closed while throttled, the read urb is never resubmitted\nand the port will not receive any further data until the device is\nreconnected (or the driver is rebound).\n\nClear the throttle flags and submit the urb if needed when opening the\nport.","publishedAt":"2026-07-25T08:50:00.835Z","updatedAt":"2026-08-17T04:53:38.295Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"4f3f6f44db71e469933a7c36c5d57d937ba0a21b","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"d5d2660caef78d4c996d34d123574c8e86f5b5ac","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"61954033326fc7e637ed2aeeb4b52021e0ee4657","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"8d50a910194f66566a5eb252b33283855c8d5203","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"abacd67e6f689c62d8a13e3da25f4272bc9ad4af","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"eab394781e9321c0c7e97a24fd092387cb262f40","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"92fa3e1a49848509ea3f7995751963fc65095998","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"83a3dfc018943b05b6daf3a6f891833e1aabfa1f","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/4f3f6f44db71e469933a7c36c5d57d937ba0a21b","https://git.kernel.org/stable/c/d5d2660caef78d4c996d34d123574c8e86f5b5ac","https://git.kernel.org/stable/c/61954033326fc7e637ed2aeeb4b52021e0ee4657","https://git.kernel.org/stable/c/8d50a910194f66566a5eb252b33283855c8d5203","https://git.kernel.org/stable/c/abacd67e6f689c62d8a13e3da25f4272bc9ad4af","https://git.kernel.org/stable/c/eab394781e9321c0c7e97a24fd092387cb262f40","https://git.kernel.org/stable/c/92fa3e1a49848509ea3f7995751963fc65095998","https://git.kernel.org/stable/c/83a3dfc018943b05b6daf3a6f891833e1aabfa1f"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64335.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64335","state":"PUBLISHED","datePublished":"2026-07-25T08:50:00.835Z","dateUpdated":"2026-08-17T04:53:38.295Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T15:36:31.781Z"},"containers":{"cna":{"title":"USB: serial: digi_acceleport: fix broken rx after throttle","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: digi_acceleport: fix broken rx after throttle\n\nIf the port is closed while throttled, the read urb is never resubmitted\nand the port will not receive any further data until the device is\nreconnected (or the driver is rebound).\n\nClear the throttle flags and submit the urb if needed when opening the\nport."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"4f3f6f44db71e469933a7c36c5d57d937ba0a21b","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"d5d2660caef78d4c996d34d123574c8e86f5b5ac","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"61954033326fc7e637ed2aeeb4b52021e0ee4657","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"8d50a910194f66566a5eb252b33283855c8d5203","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"abacd67e6f689c62d8a13e3da25f4272bc9ad4af","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"eab394781e9321c0c7e97a24fd092387cb262f40","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"92fa3e1a49848509ea3f7995751963fc65095998","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"83a3dfc018943b05b6daf3a6f891833e1aabfa1f","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/4f3f6f44db71e469933a7c36c5d57d937ba0a21b"},{"url":"https://git.kernel.org/stable/c/d5d2660caef78d4c996d34d123574c8e86f5b5ac"},{"url":"https://git.kernel.org/stable/c/61954033326fc7e637ed2aeeb4b52021e0ee4657"},{"url":"https://git.kernel.org/stable/c/8d50a910194f66566a5eb252b33283855c8d5203"},{"url":"https://git.kernel.org/stable/c/abacd67e6f689c62d8a13e3da25f4272bc9ad4af"},{"url":"https://git.kernel.org/stable/c/eab394781e9321c0c7e97a24fd092387cb262f40"},{"url":"https://git.kernel.org/stable/c/92fa3e1a49848509ea3f7995751963fc65095998"},{"url":"https://git.kernel.org/stable/c/83a3dfc018943b05b6daf3a6f891833e1aabfa1f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T04:53:38.295Z"},"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"}}}}}