{"id":"CVE-2026-43429","title":"USB: usbtmc: Use usb_bulk_msg_killable() with user-specified timeouts","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: usbtmc: Use usb_bulk_msg_killable() with user-specified timeouts\n\nThe usbtmc driver accepts timeout values specified by the user in an\nioctl command, and uses thes…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 048c6d88a0214757926f264823829e79154fcd4f < e14a0dcdf468c3ad616bb06696c7c64c36e736d8","Linux >= 048c6d88a0214757926f264823829e79154fcd4f < 7fa72c369c23c27d1f64883c1e276af950557fb1","Linux >= 048c6d88a0214757926f264823829e79154fcd4f < 72c0a063489be183cfb99e7050aaef503bdb6449","Linux >= 048c6d88a0214757926f264823829e79154fcd4f < 39bd4097292fd8564cf2cfba9356f8ab11e38d12","Linux >= 048c6d88a0214757926f264823829e79154fcd4f < 0535f84cb94c9d8bcba0a2a5b3fac81b7d97235d","Linux >= 048c6d88a0214757926f264823829e79154fcd4f < 6cb7dc91f057dd8ce44f6caa2995d8e22784ed0a","Linux >= 048c6d88a0214757926f264823829e79154fcd4f < d4f1c45bdff3f393f9ab7e76795901c442b9eb76","Linux >= 048c6d88a0214757926f264823829e79154fcd4f < 7784caa413a89487dd14dd5c41db8753483b2acb","Linux 4.19"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T15:38:19.264236Z"},"published":"2026-05-08","updated":"2026-11-06","sourceUpdated":"2026-11-06T15:42:53.553Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43429","references":[{"url":"https://git.kernel.org/stable/c/e14a0dcdf468c3ad616bb06696c7c64c36e736d8"},{"url":"https://git.kernel.org/stable/c/7fa72c369c23c27d1f64883c1e276af950557fb1"},{"url":"https://git.kernel.org/stable/c/72c0a063489be183cfb99e7050aaef503bdb6449"},{"url":"https://git.kernel.org/stable/c/39bd4097292fd8564cf2cfba9356f8ab11e38d12"},{"url":"https://git.kernel.org/stable/c/0535f84cb94c9d8bcba0a2a5b3fac81b7d97235d"},{"url":"https://git.kernel.org/stable/c/6cb7dc91f057dd8ce44f6caa2995d8e22784ed0a"},{"url":"https://git.kernel.org/stable/c/d4f1c45bdff3f393f9ab7e76795901c442b9eb76"},{"url":"https://git.kernel.org/stable/c/7784caa413a89487dd14dd5c41db8753483b2acb"}],"tags":["cve.org"],"epss":0.00123,"epssPercentile":0.02024,"ingestedAt":"2026-11-06T15:54:03.920Z","slug":"CVE-2026-43429","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nUSB: usbtmc: Use usb_bulk_msg_killable() with user-specified timeouts\n\nThe usbtmc driver accepts timeout values specified by the user in an\nioctl command, and uses these timeouts for some usb_bulk_msg() calls.\nSince the user can specify arbitrarily long timeouts and\nusb_bulk_msg() uses unkillable waits, call usb_bulk_msg_killable()\ninstead to avoid the possibility of the user hanging a kernel thread\nindefinitely.\n\n## Affected\n\n- `Linux >= 048c6d88a0214757926f264823829e79154fcd4f < e14a0dcdf468c3ad616bb06696c7c64c36e736d8`\n- `Linux >= 048c6d88a0214757926f264823829e79154fcd4f < 7fa72c369c23c27d1f64883c1e276af950557fb1`\n- `Linux >= 048c6d88a0214757926f264823829e79154fcd4f < 72c0a063489be183cfb99e7050aaef503bdb6449`\n- `Linux >= 048c6d88a0214757926f264823829e79154fcd4f < 39bd4097292fd8564cf2cfba9356f8ab11e38d12`\n- `Linux >= 048c6d88a0214757926f264823829e79154fcd4f < 0535f84cb94c9d8bcba0a2a5b3fac81b7d97235d`\n- `Linux >= 048c6d88a0214757926f264823829e79154fcd4f < 6cb7dc91f057dd8ce44f6caa2995d8e22784ed0a`\n- `Linux >= 048c6d88a0214757926f264823829e79154fcd4f < d4f1c45bdff3f393f9ab7e76795901c442b9eb76`\n- `Linux >= 048c6d88a0214757926f264823829e79154fcd4f < 7784caa413a89487dd14dd5c41db8753483b2acb`\n- `Linux 4.19`\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":[]}