{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50568", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-22T13:20:23.760Z", "datePublished": "2025-10-22T13:23:25.136Z", "dateUpdated": "2026-05-11T19:21:56.354Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:21:56.354Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_hid: fix f_hidg lifetime vs cdev\n\nThe embedded struct cdev does not have its lifetime correctly tied to\nthe enclosing struct f_hidg, so there is a use-after-free if /dev/hidgN\nis held open while the gadget is deleted.\n\nThis can readily be replicated with libusbgx's example programs (for\nconciseness - operating directly via configfs is equivalent):\n\n\tgadget-hid\n\texec 3<> /dev/hidg0\n\tgadget-vid-pid-remove\n\texec 3<&-\n\nPull the existing device up in to struct f_hidg and make use of the\ncdev_device_{add,del}() helpers. This changes the lifetime of the\ndevice object to match struct f_hidg, but note that it is still added\nand deleted at the same time."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/gadget/function/f_hid.c"], "versions": [{"version": "71adf118946957839a13aa4d1094183e05c6c094", "lessThan": "1cd7f156f6389918f760687fbbf133c86da93162", "status": "affected", "versionType": "git"}, {"version": "71adf118946957839a13aa4d1094183e05c6c094", "lessThan": "c78c87c4e389b62f8892af7f59857447aa6d9797", "status": "affected", "versionType": "git"}, {"version": "71adf118946957839a13aa4d1094183e05c6c094", "lessThan": "1b6a53e447ec3d81623610c8c7ec5082b47dfdce", "status": "affected", "versionType": "git"}, {"version": "71adf118946957839a13aa4d1094183e05c6c094", "lessThan": "d3136b79705c2e3bba9c76adc5628af0215d798e", "status": "affected", "versionType": "git"}, {"version": "71adf118946957839a13aa4d1094183e05c6c094", "lessThan": "9e4b85d815b14bd4db2deea2a54264a23de8b896", "status": "affected", "versionType": "git"}, {"version": "71adf118946957839a13aa4d1094183e05c6c094", "lessThan": "9e08b7f5fa00e9d550851352bd0d1ba74ccffef2", "status": "affected", "versionType": "git"}, {"version": "71adf118946957839a13aa4d1094183e05c6c094", "lessThan": "89ff3dfac604614287ad5aad9370c3f984ea3f4b", "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/gadget/function/f_hid.c"], "versions": [{"version": "2.6.35", "status": "affected"}, {"version": "0", "lessThan": "2.6.35", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.270", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.229", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.163", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.86", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.16", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.2", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "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": "2.6.35", "versionEndExcluding": "4.19.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.4.229"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.10.163"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.15.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "6.0.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "6.1.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1cd7f156f6389918f760687fbbf133c86da93162"}, {"url": "https://git.kernel.org/stable/c/c78c87c4e389b62f8892af7f59857447aa6d9797"}, {"url": "https://git.kernel.org/stable/c/1b6a53e447ec3d81623610c8c7ec5082b47dfdce"}, {"url": "https://git.kernel.org/stable/c/d3136b79705c2e3bba9c76adc5628af0215d798e"}, {"url": "https://git.kernel.org/stable/c/9e4b85d815b14bd4db2deea2a54264a23de8b896"}, {"url": "https://git.kernel.org/stable/c/9e08b7f5fa00e9d550851352bd0d1ba74ccffef2"}, {"url": "https://git.kernel.org/stable/c/89ff3dfac604614287ad5aad9370c3f984ea3f4b"}], "title": "usb: gadget: f_hid: fix f_hidg lifetime vs cdev", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_hid: fix f_hidg lifetime vs cdev\n\nThe embedded struct cdev does not have its lifetime correctly tied to\nthe enclosing struct f_hidg, so there is a use-after-free if /dev/hidgN\nis held open while the gadget is deleted.\n\nThis can readily be replicated with libusbgx's example programs (for\nconciseness - operating directly via configfs is equivalent):\n\n\tgadget-hid\n\texec 3<> /dev/hidg0\n\tgadget-vid-pid-remove\n\texec 3<&-\n\nPull the existing device up in to struct f_hidg and make use of the\ncdev_device_{add,del}() helpers. This changes the lifetime of the\ndevice object to match struct f_hidg, but note that it is still added\nand deleted at the same time."}], "id": "CVE-2022-50568", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-10-22T14:15:41.657", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1b6a53e447ec3d81623610c8c7ec5082b47dfdce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1cd7f156f6389918f760687fbbf133c86da93162"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89ff3dfac604614287ad5aad9370c3f984ea3f4b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9e08b7f5fa00e9d550851352bd0d1ba74ccffef2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9e4b85d815b14bd4db2deea2a54264a23de8b896"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c78c87c4e389b62f8892af7f59857447aa6d9797"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d3136b79705c2e3bba9c76adc5628af0215d798e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: usb: gadget: f_hid: fix f_hidg lifetime vs cdev", "id": "2405777", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2405777"}, "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": ["No description is available for this CVE."], "name": "CVE-2022-50568", "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": "2025-10-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50568\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50568\nhttps://lore.kernel.org/linux-cve-announce/2025102207-CVE-2022-50568-f109@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-10-23T10:07:39.119512+00:00", "updated": "2025-10-23T10:07:39.119539+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}