{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49661",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:21:30.435Z",
        "datePublished": "2025-02-26T02:23:58.352Z",
        "dateUpdated": "2026-05-11T19:04:14.924Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:04:14.924Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: gs_usb: gs_usb_open/close(): fix memory leak\n\nThe gs_usb driver appears to suffer from a malady common to many USB\nCAN adapter drivers in that it performs usb_alloc_coherent() to\nallocate a number of USB request blocks (URBs) for RX, and then later\nrelies on usb_kill_anchored_urbs() to free them, but this doesn't\nactually free them. As a result, this may be leaking DMA memory that's\nbeen used by the driver.\n\nThis commit is an adaptation of the techniques found in the esd_usb2\ndriver where a similar design pattern led to a memory leak. It\nexplicitly frees the RX URBs and their DMA memory via a call to\nusb_free_coherent(). Since the RX URBs were allocated in the\ngs_can_open(), we remove them in gs_can_close() rather than in the\ndisconnect function as was done in esd_usb2.\n\nFor more information, see the 928150fad41b (\"can: esd_usb2: fix memory\nleak\")."
                }
            ],
            "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/gs_usb.c"
                    ],
                    "versions": [
                        {
                            "version": "d08e973a77d128b25e01a08c34d89593fdf222da",
                            "lessThan": "339fa9f80d3b94177a7a459c6d115d3b56007d5a",
                            "status": "affected",
                            "versionType": "git"
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                            "version": "d08e973a77d128b25e01a08c34d89593fdf222da",
                            "lessThan": "c1d806bc29ff7ffe0e2a023583c8720ed96cb0b0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d08e973a77d128b25e01a08c34d89593fdf222da",
                            "lessThan": "d91492638b054f4a359621ef216242be5973ed6b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d08e973a77d128b25e01a08c34d89593fdf222da",
                            "lessThan": "6f655b5e13fa4b27e915b6c209ac0da74fd75963",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d08e973a77d128b25e01a08c34d89593fdf222da",
                            "lessThan": "d0b8e223998866b3e7b2895927d4e9689b0a80d8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d08e973a77d128b25e01a08c34d89593fdf222da",
                            "lessThan": "0e60230bc64355c80abe993d1719fdb318094e20",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d08e973a77d128b25e01a08c34d89593fdf222da",
                            "lessThan": "ffb6cc6601ec7c8fa963dcf76025df4a02f2cf5c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d08e973a77d128b25e01a08c34d89593fdf222da",
                            "lessThan": "2bda24ef95c0311ab93bda00db40486acf30bd0a",
                            "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/gs_usb.c"
                    ],
                    "versions": [
                        {
                            "version": "3.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.323",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.288",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.252",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.205",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.130",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.54",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.11",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
                                    "versionEndExcluding": "4.9.323"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/339fa9f80d3b94177a7a459c6d115d3b56007d5a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c1d806bc29ff7ffe0e2a023583c8720ed96cb0b0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d91492638b054f4a359621ef216242be5973ed6b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6f655b5e13fa4b27e915b6c209ac0da74fd75963"
                },
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                    "url": "https://git.kernel.org/stable/c/d0b8e223998866b3e7b2895927d4e9689b0a80d8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0e60230bc64355c80abe993d1719fdb318094e20"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ffb6cc6601ec7c8fa963dcf76025df4a02f2cf5c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2bda24ef95c0311ab93bda00db40486acf30bd0a"
                }
            ],
            "title": "can: gs_usb: gs_usb_open/close(): fix memory leak",
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}