{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31757", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.139Z", "datePublished": "2026-05-01T14:14:47.659Z", "dateUpdated": "2026-05-11T22:15:13.527Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:15:13.527Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: misc: usbio: Fix URB memory leak on submit failure\n\nWhen usb_submit_urb() fails in usbio_probe(), the previously allocated\nURB is never freed, causing a memory leak.\n\nFix this by jumping to err_free_urb label to properly release the URB\non the error path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/misc/usbio.c"], "versions": [{"version": "121a0f839dbb397af5fabb701cea3e9983223e50", "lessThan": "65ff09f48b0e72e4049096a989723406aabcf091", "status": "affected", "versionType": "git"}, {"version": "121a0f839dbb397af5fabb701cea3e9983223e50", "lessThan": "1762dc43b983d321180582afba4a0c5185fae04c", "status": "affected", "versionType": "git"}, {"version": "121a0f839dbb397af5fabb701cea3e9983223e50", "lessThan": "33cfe0709b6bf1a7f1a16d5e8d65d003a71b6a21", "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/misc/usbio.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "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": "6.18", "versionEndExcluding": "6.18.22"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.19.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/65ff09f48b0e72e4049096a989723406aabcf091"}, {"url": "https://git.kernel.org/stable/c/1762dc43b983d321180582afba4a0c5185fae04c"}, {"url": "https://git.kernel.org/stable/c/33cfe0709b6bf1a7f1a16d5e8d65d003a71b6a21"}], "title": "usb: misc: usbio: Fix URB memory leak on submit failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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{"bugzilla": {"description": "kernel: usb: misc: usbio: Fix URB memory leak on submit failure", "id": "2464439", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464439"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel. Specifically, within the USB subsystem (usbio), a memory leak occurs when a Universal Serial Bus (USB) Request Block (URB) submission fails during the device probing process. This failure to free the allocated URB memory can lead to a gradual depletion of system resources, potentially impacting system stability and performance."], "name": "CVE-2026-31757", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not 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-2026-31757\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31757\nhttps://lore.kernel.org/linux-cve-announce/2026050144-CVE-2026-31757-89cb@gregkh/T"], "threat_severity": "Moderate"}

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