{"dataType": "CVE_RECORD", "dataVersion": "5.1", "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": "2025-05-04T08:42:47.296Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:42:47.296Z"}, "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"}, {"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": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "4.9.323"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "4.14.288"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "4.19.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.4.205"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.10.130"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.15.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.18.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.19"}]}]}], "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"}, {"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", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "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\")."}], "id": "CVE-2022-49661", "lastModified": "2025-02-26T07:01:41.137", "metrics": {}, "published": "2025-02-26T07:01:41.137", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0e60230bc64355c80abe993d1719fdb318094e20"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2bda24ef95c0311ab93bda00db40486acf30bd0a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/339fa9f80d3b94177a7a459c6d115d3b56007d5a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6f655b5e13fa4b27e915b6c209ac0da74fd75963"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c1d806bc29ff7ffe0e2a023583c8720ed96cb0b0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d0b8e223998866b3e7b2895927d4e9689b0a80d8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d91492638b054f4a359621ef216242be5973ed6b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ffb6cc6601ec7c8fa963dcf76025df4a02f2cf5c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: can: gs_usb: gs_usb_open/close(): fix memory leak", "id": "2347927", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347927"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncan: gs_usb: gs_usb_open/close(): fix memory leak\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.\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.\nFor more information, see the 928150fad41b (\"can: esd_usb2: fix memory\nleak\")."], "name": "CVE-2022-49661", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49661\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49661\nhttps://lore.kernel.org/linux-cve-announce/2025022622-CVE-2022-49661-c53c@gregkh/T"], "threat_severity": "Moderate"}