{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-74457",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-15T05:44:03.900Z",
        "datePublished": "2026-08-15T12:26:59.411Z",
        "dateUpdated": "2026-08-19T16:36:52.931Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-19T16:36:52.931Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: peak_usb: add bounds check for USB channel index\n\nThe channel control index ctrl_idx is derived from rx->len which comes\ndirectly from a device USB payload. The mask 0x0f allows values 0-15, but\nthe array size of usb_if->dev[] is only 2. Values 2-15 cause heap\nout-of-bounds read, eventually causing kernel panic in the IRQ context.\n\nAdd bounds checking for ctrl_idx before the array access in both\npcan_usb_pro_handle_canmsg() and pcan_usb_pro_handle_error()."
                }
            ],
            "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/peak_usb/pcan_usb_pro.c"
                    ],
                    "versions": [
                        {
                            "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd",
                            "lessThan": "18b1a868a2cda66fb438007ba47ce5f2484db381",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd",
                            "lessThan": "0c9268457bd6e4058fe55b4db01b16661c2eacf5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd",
                            "lessThan": "94fb6fe83ce152532b11b36730b30f3dc0c94217",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd",
                            "lessThan": "825c903ca3c98cd0cf0e3de8ab8f2604a5339b3f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd",
                            "lessThan": "f97b7e5e1cdaae15cd95b3a360028c7929664969",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd",
                            "lessThan": "1acab790b7cecd4e144d1d18bdfe549e282f6b0b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd",
                            "lessThan": "0149fdb50a30944827acf9600a2cc44de0325a7f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d8a199355f8f8a0797c00d98788d7282c9ea38bd",
                            "lessThan": "39132f166ca8ce00ae60d8a9068e06a60943cc4b",
                            "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/net/can/usb/peak_usb/pcan_usb_pro.c"
                    ],
                    "versions": [
                        {
                            "version": "3.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.265",
                            "lessThanOrEqual": "5.10.*",
                            "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": "3.4",
                                    "versionEndExcluding": "5.10.265"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.4",
                                    "versionEndExcluding": "5.15.216"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.4",
                                    "versionEndExcluding": "6.1.183"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.4",
                                    "versionEndExcluding": "6.6.151"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.4",
                                    "versionEndExcluding": "6.12.103"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.4",
                                    "versionEndExcluding": "6.18.44"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.4",
                                    "versionEndExcluding": "7.1.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.4",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/18b1a868a2cda66fb438007ba47ce5f2484db381"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0c9268457bd6e4058fe55b4db01b16661c2eacf5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/94fb6fe83ce152532b11b36730b30f3dc0c94217"
                },
                {
                    "url": "https://git.kernel.org/stable/c/825c903ca3c98cd0cf0e3de8ab8f2604a5339b3f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f97b7e5e1cdaae15cd95b3a360028c7929664969"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1acab790b7cecd4e144d1d18bdfe549e282f6b0b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0149fdb50a30944827acf9600a2cc44de0325a7f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/39132f166ca8ce00ae60d8a9068e06a60943cc4b"
                }
            ],
            "title": "can: peak_usb: add bounds check for USB channel index",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}