{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-74459",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-15T05:44:03.900Z",
        "datePublished": "2026-08-15T12:27:00.653Z",
        "dateUpdated": "2026-08-19T16:36:55.813Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-19T16:36:55.813Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: etas_es58x: es58x_read_bulk_callback(): fix RX buffer leak on URB resubmit failure\n\nes58x_read_bulk_callback() resubmits the RX URB after processing a received\npacket. If the resubmit succeeds, the URB remains anchored and will be\nhandled by the normal RX path or by teardown.\n\nHowever, if usb_submit_urb() fails, the callback unanchors the URB and then\nreturns directly. This skips the existing free_urb path, so the coherent\ntransfer buffer allocated with usb_alloc_coherent() is not released.\n\nReuse the existing free_urb path after a resubmit failure so that the RX\ncoherent buffer is freed before leaving the callback."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/can/usb/etas_es58x/es58x_core.c"
                    ],
                    "versions": [
                        {
                            "version": "7a0171b4921ad443fee5ed4fcb9d99fa4776edac",
                            "lessThan": "c7ddf119544eea2d8409e12471c3f9f36ca02e3f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2185ea6e4ebcb61d1224dc7d187c59723cb5ad59",
                            "lessThan": "21da1a374769751546cc131e58a4d8bd968f57b2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f6e90c113c92e83fc0963d5e60e16b0e8a268981",
                            "lessThan": "0ef136ba052101243ba117a1aca6f4a4c3a81142",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b878444519fa03a3edd287d1963cf79ef78be2f1",
                            "lessThan": "b85e5c310382803d27adf6fe6554d4208bc8951c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "18eee279e9b5bff0db1aca9475ae4bc12804f05c",
                            "lessThan": "c311f17c261fd375ddf5755f2ebe1f022c19c5b0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5eaad4f768266f1f17e01232ffe2ef009f8129b7",
                            "lessThan": "19c6c8c6cd5dd14fab5fcd744584812a57cbb78d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5eaad4f768266f1f17e01232ffe2ef009f8129b7",
                            "lessThan": "7a0cf2b2497c757c3cb1286eddf2986abb0d387b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b8f9ca88253574638bcff38900a4c28d570b1919",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.15.203",
                            "lessThan": "5.15.216",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.167",
                            "lessThan": "6.1.183",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.130",
                            "lessThan": "6.6.151",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.77",
                            "lessThan": "6.12.103",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.17",
                            "lessThan": "6.18.44",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.7",
                            "lessThan": "6.20",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/can/usb/etas_es58x/es58x_core.c"
                    ],
                    "versions": [
                        {
                            "version": "7.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "7.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.151",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.103",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.44",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.8",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "5.15.203",
                                    "versionEndExcluding": "5.15.216"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1.167",
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                                    "versionEndExcluding": "7.2"
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c7ddf119544eea2d8409e12471c3f9f36ca02e3f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/21da1a374769751546cc131e58a4d8bd968f57b2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0ef136ba052101243ba117a1aca6f4a4c3a81142"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b85e5c310382803d27adf6fe6554d4208bc8951c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c311f17c261fd375ddf5755f2ebe1f022c19c5b0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/19c6c8c6cd5dd14fab5fcd744584812a57cbb78d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7a0cf2b2497c757c3cb1286eddf2986abb0d387b"
                }
            ],
            "title": "can: etas_es58x: es58x_read_bulk_callback(): fix RX buffer leak on URB resubmit failure",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
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}