{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31758", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.139Z", "datePublished": "2026-05-01T14:14:48.390Z", "dateUpdated": "2026-05-03T05:45:46.007Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-03T05:45:46.007Z"}, "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": {"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"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/class/usbtmc.c"], "versions": [{"version": "4f3c8d6eddc272b386464524235440a418ed2029", "lessThan": "959ef329071136e4335b54822fe2f607659b4569", "status": "affected", "versionType": "git"}, {"version": "4f3c8d6eddc272b386464524235440a418ed2029", "lessThan": "e189d443767f7cd390c52f2e122e1fc41c7562d6", "status": "affected", "versionType": "git"}, {"version": "4f3c8d6eddc272b386464524235440a418ed2029", "lessThan": "7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f", "status": "affected", "versionType": "git"}, {"version": "4f3c8d6eddc272b386464524235440a418ed2029", "lessThan": "95e09b07e50290254b28b8395509473104518f8c", "status": "affected", "versionType": "git"}, {"version": "4f3c8d6eddc272b386464524235440a418ed2029", "lessThan": "d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1", "status": "affected", "versionType": "git"}, {"version": "4f3c8d6eddc272b386464524235440a418ed2029", "lessThan": "977b632db51d231dec0bc571089a5c2402674139", "status": "affected", "versionType": "git"}, {"version": "4f3c8d6eddc272b386464524235440a418ed2029", "lessThan": "d40198de50232e04c14c6e2092e896766c95ea48", "status": "affected", "versionType": "git"}, {"version": "4f3c8d6eddc272b386464524235440a418ed2029", "lessThan": "8a768552f7a8276fb9e01d49773d2094ace7c8f1", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/class/usbtmc.c"], "versions": [{"version": "4.19", "status": "affected"}, {"version": "0", "lessThan": "4.19", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.253", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.203", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.168", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.134", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.81", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.22", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.12", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.10.253"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.15.203"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.1.168"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.6.134"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.12.81"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.18.22"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.19.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "7.0"}]}]}], "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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-31758", "lastModified": "2026-05-03T07:16:19.777", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}]}, "published": "2026-05-01T15:16:38.807", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8a768552f7a8276fb9e01d49773d2094ace7c8f1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/959ef329071136e4335b54822fe2f607659b4569"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/95e09b07e50290254b28b8395509473104518f8c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/977b632db51d231dec0bc571089a5c2402674139"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d40198de50232e04c14c6e2092e896766c95ea48"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e189d443767f7cd390c52f2e122e1fc41c7562d6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: usb: usbtmc: Flush anchored URBs in usbtmc_release", "id": "2464493", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464493"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel's usbtmc module. This vulnerability occurs because pending anchored Universal Serial Bus (USB) Request Blocks (URBs) are not flushed or killed when the usbtmc_release function is called. This can result in use-after-free errors, which could potentially lead to system crashes or, in some scenarios, arbitrary code execution."], "name": "CVE-2026-31758", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31758\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31758\nhttps://lore.kernel.org/linux-cve-announce/2026050144-CVE-2026-31758-8487@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4f3c8d6eddc272b386464524235440a418ed2029,959ef329071136e4335b54822fe2f607659b4569)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4f3c8d6eddc272b386464524235440a418ed2029,e189d443767f7cd390c52f2e122e1fc41c7562d6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4f3c8d6eddc272b386464524235440a418ed2029,7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4f3c8d6eddc272b386464524235440a418ed2029,95e09b07e50290254b28b8395509473104518f8c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4f3c8d6eddc272b386464524235440a418ed2029,d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4f3c8d6eddc272b386464524235440a418ed2029,977b632db51d231dec0bc571089a5c2402674139)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4f3c8d6eddc272b386464524235440a418ed2029,d40198de50232e04c14c6e2092e896766c95ea48)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4f3c8d6eddc272b386464524235440a418ed2029,8a768552f7a8276fb9e01d49773d2094ace7c8f1)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "4.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,4.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.253,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.203,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.168,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.134,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.81,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.22,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.19.12,6.19.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-01T21:45:09.325520+00:00", "updated": "2026-05-03T07:30:16.265074+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}