{"id":"CVE-2026-64334","title":"USB: serial: digi_acceleport: fix hard lockup on disconnect","summary":"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 wou…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6e51147c2744d15730084dc89cc99180d3de4184","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6a8592ace932081ea11aea41c460a1ca0f6344a4","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5a82d842e8c35227d7227f19e5e654df1451782c","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bcfeae431db9986c2b313e6a760f2ac8df61e138","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2067b3838da6e4af03bae3630414193188d754b2","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2b7dc482f859f2d027db07ff0efc1c5df5b3451a","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 79bc131df0e50f8f663c1fdbbe952aaf193a8d39","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5c1ea24b53bf3bfb859f0a05573997487975da23","Linux 2.6.12"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:35:30.520665Z"},"published":"2026-07-25","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:44:46.348Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-64334","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"}],"tags":["cve.org"],"epss":0.00095,"epssPercentile":0.00601,"ingestedAt":"2026-11-06T16:57:43.198Z","slug":"CVE-2026-64334","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6e51147c2744d15730084dc89cc99180d3de4184`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6a8592ace932081ea11aea41c460a1ca0f6344a4`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5a82d842e8c35227d7227f19e5e654df1451782c`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bcfeae431db9986c2b313e6a760f2ac8df61e138`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2067b3838da6e4af03bae3630414193188d754b2`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2b7dc482f859f2d027db07ff0efc1c5df5b3451a`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 79bc131df0e50f8f663c1fdbbe952aaf193a8d39`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5c1ea24b53bf3bfb859f0a05573997487975da23`\n- `Linux 2.6.12`\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":[]}