{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50156", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.425Z", "datePublished": "2025-06-18T11:03:13.913Z", "dateUpdated": "2025-06-18T11:03:13.913Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-06-18T11:03:13.913Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: cp2112: prevent a buffer overflow in cp2112_xfer()\n\nSmatch warnings:\ndrivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy()\n'data->block[1]' too small (33 vs 255)\ndrivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'buf' too\nsmall (64 vs 255)\n\nThe 'read_length' variable is provided by 'data->block[0]' which comes\nfrom user and it(read_length) can take a value between 0-255. Add an\nupper bound to 'read_length' variable to prevent a buffer overflow in\nmemcpy()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hid/hid-cp2112.c"], "versions": [{"version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74", "lessThan": "3af7d60e9a6c17d6d41c4341f8020511887d372d", "status": "affected", "versionType": "git"}, {"version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74", "lessThan": "519ff31a6ddd87aa4905bd9bf3b92e8b88801614", "status": "affected", "versionType": "git"}, {"version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74", "lessThan": "ebda3d6b004bb6127a66a616524a2de152302ca7", "status": "affected", "versionType": "git"}, {"version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74", "lessThan": "8489a20ac481b08c0391608d81ed3796d373cfdf", "status": "affected", "versionType": "git"}, {"version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74", "lessThan": "e7028944e61014ae915e7fb74963d3835f2f761a", "status": "affected", "versionType": "git"}, {"version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74", "lessThan": "26e427ac85c2b8d0d108cc80b6de34d33e2780c4", "status": "affected", "versionType": "git"}, {"version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74", "lessThan": "381583845d19cb4bd21c8193449385f3fefa9caf", "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/hid/hid-cp2112.c"], "versions": [{"version": "4.15", "status": "affected"}, {"version": "0", "lessThan": "4.15", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.256", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.211", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.137", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.61", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.18", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.2", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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": "4.15", "versionEndExcluding": "4.19.256"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.4.211"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.10.137"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.15.61"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.18.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.19.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3af7d60e9a6c17d6d41c4341f8020511887d372d"}, {"url": "https://git.kernel.org/stable/c/519ff31a6ddd87aa4905bd9bf3b92e8b88801614"}, {"url": "https://git.kernel.org/stable/c/ebda3d6b004bb6127a66a616524a2de152302ca7"}, {"url": "https://git.kernel.org/stable/c/8489a20ac481b08c0391608d81ed3796d373cfdf"}, {"url": "https://git.kernel.org/stable/c/e7028944e61014ae915e7fb74963d3835f2f761a"}, {"url": "https://git.kernel.org/stable/c/26e427ac85c2b8d0d108cc80b6de34d33e2780c4"}, {"url": "https://git.kernel.org/stable/c/381583845d19cb4bd21c8193449385f3fefa9caf"}], "title": "HID: cp2112: prevent a buffer overflow in cp2112_xfer()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: cp2112: prevent a buffer overflow in cp2112_xfer()\n\nSmatch warnings:\ndrivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy()\n'data->block[1]' too small (33 vs 255)\ndrivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'buf' too\nsmall (64 vs 255)\n\nThe 'read_length' variable is provided by 'data->block[0]' which comes\nfrom user and it(read_length) can take a value between 0-255. Add an\nupper bound to 'read_length' variable to prevent a buffer overflow in\nmemcpy()."}], "id": "CVE-2022-50156", "lastModified": "2025-06-18T13:47:40.833", "metrics": {}, "published": "2025-06-18T11:15:45.747", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/26e427ac85c2b8d0d108cc80b6de34d33e2780c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/381583845d19cb4bd21c8193449385f3fefa9caf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3af7d60e9a6c17d6d41c4341f8020511887d372d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/519ff31a6ddd87aa4905bd9bf3b92e8b88801614"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8489a20ac481b08c0391608d81ed3796d373cfdf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e7028944e61014ae915e7fb74963d3835f2f761a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ebda3d6b004bb6127a66a616524a2de152302ca7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: HID: cp2112: prevent a buffer overflow in cp2112_xfer()", "id": "2373461", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373461"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nHID: cp2112: prevent a buffer overflow in cp2112_xfer()\nSmatch warnings:\ndrivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy()\n'data->block[1]' too small (33 vs 255)\ndrivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'buf' too\nsmall (64 vs 255)\nThe 'read_length' variable is provided by 'data->block[0]' which comes\nfrom user and it(read_length) can take a value between 0-255. Add an\nupper bound to 'read_length' variable to prevent a buffer overflow in\nmemcpy()."], "name": "CVE-2022-50156", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50156\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50156\nhttps://lore.kernel.org/linux-cve-announce/2025061824-CVE-2022-50156-3e2e@gregkh/T"], "threat_severity": "Moderate"}