{"api_version":"1","generated_at":"2026-05-03T12:43:31+00:00","cve":"CVE-2026-31758","urls":{"html":"https://cve.report/CVE-2026-31758","api":"https://cve.report/api/cve/CVE-2026-31758.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31758","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31758"},"summary":{"title":"usb: usbtmc: Flush anchored URBs in usbtmc_release","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: usbtmc: Flush anchored URBs in usbtmc_release\n\nWhen calling usbtmc_release, pending anchored URBs must be flushed or\nkilled to prevent use-after-free errors (e.g. in the HCD giveback\npath). Call usbtmc_draw_down() to allow anchored URBs to be completed.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-01 15:16:38","updated_at":"2026-05-03 07:16:19"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/8a768552f7a8276fb9e01d49773d2094ace7c8f1","name":"https://git.kernel.org/stable/c/8a768552f7a8276fb9e01d49773d2094ace7c8f1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d40198de50232e04c14c6e2092e896766c95ea48","name":"https://git.kernel.org/stable/c/d40198de50232e04c14c6e2092e896766c95ea48","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f","name":"https://git.kernel.org/stable/c/7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/959ef329071136e4335b54822fe2f607659b4569","name":"https://git.kernel.org/stable/c/959ef329071136e4335b54822fe2f607659b4569","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1","name":"https://git.kernel.org/stable/c/d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/977b632db51d231dec0bc571089a5c2402674139","name":"https://git.kernel.org/stable/c/977b632db51d231dec0bc571089a5c2402674139","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e189d443767f7cd390c52f2e122e1fc41c7562d6","name":"https://git.kernel.org/stable/c/e189d443767f7cd390c52f2e122e1fc41c7562d6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/95e09b07e50290254b28b8395509473104518f8c","name":"https://git.kernel.org/stable/c/95e09b07e50290254b28b8395509473104518f8c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-31758","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31758","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4f3c8d6eddc272b386464524235440a418ed2029 959ef329071136e4335b54822fe2f607659b4569 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4f3c8d6eddc272b386464524235440a418ed2029 e189d443767f7cd390c52f2e122e1fc41c7562d6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4f3c8d6eddc272b386464524235440a418ed2029 7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4f3c8d6eddc272b386464524235440a418ed2029 95e09b07e50290254b28b8395509473104518f8c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.203 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.168 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.134 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.81 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.22 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.12 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"31758","cve":"CVE-2026-31758","epss":"0.000240000","percentile":"0.068220000","score_date":"2026-05-02","updated_at":"2026-05-03 00:00:23"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/class/usbtmc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"959ef329071136e4335b54822fe2f607659b4569","status":"affected","version":"4f3c8d6eddc272b386464524235440a418ed2029","versionType":"git"},{"lessThan":"e189d443767f7cd390c52f2e122e1fc41c7562d6","status":"affected","version":"4f3c8d6eddc272b386464524235440a418ed2029","versionType":"git"},{"lessThan":"7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f","status":"affected","version":"4f3c8d6eddc272b386464524235440a418ed2029","versionType":"git"},{"lessThan":"95e09b07e50290254b28b8395509473104518f8c","status":"affected","version":"4f3c8d6eddc272b386464524235440a418ed2029","versionType":"git"},{"lessThan":"d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1","status":"affected","version":"4f3c8d6eddc272b386464524235440a418ed2029","versionType":"git"},{"lessThan":"977b632db51d231dec0bc571089a5c2402674139","status":"affected","version":"4f3c8d6eddc272b386464524235440a418ed2029","versionType":"git"},{"lessThan":"d40198de50232e04c14c6e2092e896766c95ea48","status":"affected","version":"4f3c8d6eddc272b386464524235440a418ed2029","versionType":"git"},{"lessThan":"8a768552f7a8276fb9e01d49773d2094ace7c8f1","status":"affected","version":"4f3c8d6eddc272b386464524235440a418ed2029","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/usb/class/usbtmc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.19"},{"lessThan":"4.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.134","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.81","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.22","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.253","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.203","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.168","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.134","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.81","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.22","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.12","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"4.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: usbtmc: Flush anchored URBs in usbtmc_release\n\nWhen calling usbtmc_release, pending anchored URBs must be flushed or\nkilled to prevent use-after-free errors (e.g. in the HCD giveback\npath). Call usbtmc_draw_down() to allow anchored URBs to be completed."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-05-03T05:45:46.007Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/959ef329071136e4335b54822fe2f607659b4569"},{"url":"https://git.kernel.org/stable/c/e189d443767f7cd390c52f2e122e1fc41c7562d6"},{"url":"https://git.kernel.org/stable/c/7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f"},{"url":"https://git.kernel.org/stable/c/95e09b07e50290254b28b8395509473104518f8c"},{"url":"https://git.kernel.org/stable/c/d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1"},{"url":"https://git.kernel.org/stable/c/977b632db51d231dec0bc571089a5c2402674139"},{"url":"https://git.kernel.org/stable/c/d40198de50232e04c14c6e2092e896766c95ea48"},{"url":"https://git.kernel.org/stable/c/8a768552f7a8276fb9e01d49773d2094ace7c8f1"}],"title":"usb: usbtmc: Flush anchored URBs in usbtmc_release","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-31758","datePublished":"2026-05-01T14:14:48.390Z","dateReserved":"2026-03-09T15:48:24.139Z","dateUpdated":"2026-05-03T05:45:46.007Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-01 15:16:38","lastModifiedDate":"2026-05-03 07:16:19","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31758","Ordinal":"1","Title":"usb: usbtmc: Flush anchored URBs in usbtmc_release","CVE":"CVE-2026-31758","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31758","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: usbtmc: Flush anchored URBs in usbtmc_release\n\nWhen calling usbtmc_release, pending anchored URBs must be flushed or\nkilled to prevent use-after-free errors (e.g. in the HCD giveback\npath). Call usbtmc_draw_down() to allow anchored URBs to be completed.","Type":"Description","Title":"usb: usbtmc: Flush anchored URBs in usbtmc_release"}]}}}