{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49754", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-03-27T16:39:17.988Z", "datePublished": "2025-03-27T16:43:02.049Z", "dateUpdated": "2025-03-27T16:43:02.049Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-03-27T16:43:02.049Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix a buffer overflow in mgmt_mesh_add()\n\nSmatch Warning:\nnet/bluetooth/mgmt_util.c:375 mgmt_mesh_add() error: __memcpy()\n'mesh_tx->param' too small (48 vs 50)\n\nAnalysis:\n\n'mesh_tx->param' is array of size 48. This is the destination.\nu8 param[sizeof(struct mgmt_cp_mesh_send) + 29]; // 19 + 29 = 48.\n\nBut in the caller 'mesh_send' we reject only when len > 50.\nlen > (MGMT_MESH_SEND_SIZE + 31) // 19 + 31 = 50."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/mgmt_util.h"], "versions": [{"version": "b338d91703fae6f6afd67f3f75caa3b8f36ddef3", "lessThan": "ed818fd8c531abf561b379995ee7cc4c68029464", "status": "affected", "versionType": "git"}, {"version": "b338d91703fae6f6afd67f3f75caa3b8f36ddef3", "lessThan": "2185e0fdbb2137f22a9dd9fcbf6481400d56299b", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/mgmt_util.h"], "versions": [{"version": "6.1", "status": "affected"}, {"version": "0", "lessThan": "6.1", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.9", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/ed818fd8c531abf561b379995ee7cc4c68029464"}, {"url": "https://git.kernel.org/stable/c/2185e0fdbb2137f22a9dd9fcbf6481400d56299b"}], "title": "Bluetooth: Fix a buffer overflow in mgmt_mesh_add()", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C236A960-CD77-4B51-AC4F-FDD32DBB1D4D", "versionEndExcluding": "6.1.9", "versionStartIncluding": "6.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*", "matchCriteriaId": "FF501633-2F44-4913-A8EE-B021929F49F6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*", "matchCriteriaId": "2BDA597B-CAC1-4DF0-86F0-42E142C654E9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*", "matchCriteriaId": "725C78C9-12CE-406F-ABE8-0813A01D66E8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*", "matchCriteriaId": "A127C155-689C-4F67-B146-44A57F4BFD85", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix a buffer overflow in mgmt_mesh_add()\n\nSmatch Warning:\nnet/bluetooth/mgmt_util.c:375 mgmt_mesh_add() error: __memcpy()\n'mesh_tx->param' too small (48 vs 50)\n\nAnalysis:\n\n'mesh_tx->param' is array of size 48. This is the destination.\nu8 param[sizeof(struct mgmt_cp_mesh_send) + 29]; // 19 + 29 = 48.\n\nBut in the caller 'mesh_send' we reject only when len > 50.\nlen > (MGMT_MESH_SEND_SIZE + 31) // 19 + 31 = 50."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: se corrige un desbordamiento de b\u00fafer en mgmt_mesh_add() Smatch Advertencia: net/bluetooth/mgmt_util.c:375 error de mgmt_mesh_add(): __memcpy() 'mesh_tx->param' demasiado peque\u00f1o (48 frente a 50) An\u00e1lisis: 'mesh_tx->param' es una matriz de tama\u00f1o 48. Este es el destino. u8 param[sizeof(struct mgmt_cp_mesh_send) + 29]; // 19 + 29 = 48. Pero en el llamador 'mesh_send' rechazamos solo cuando len > 50. len > (MGMT_MESH_SEND_SIZE + 31) // 19 + 31 = 50."}], "id": "CVE-2022-49754", "lastModified": "2025-04-14T20:16:54.943", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-03-27T17:15:40.423", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2185e0fdbb2137f22a9dd9fcbf6481400d56299b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ed818fd8c531abf561b379995ee7cc4c68029464"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: Bluetooth: Fix a buffer overflow in mgmt_mesh_add()", "id": "2355528", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355528"}, "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:\nBluetooth: Fix a buffer overflow in mgmt_mesh_add()\nSmatch Warning:\nnet/bluetooth/mgmt_util.c:375 mgmt_mesh_add() error: __memcpy()\n'mesh_tx->param' too small (48 vs 50)\nAnalysis:\n'mesh_tx->param' is array of size 48. This is the destination.\nu8 param[sizeof(struct mgmt_cp_mesh_send) + 29]; // 19 + 29 = 48.\nBut in the caller 'mesh_send' we reject only when len > 50.\nlen > (MGMT_MESH_SEND_SIZE + 31) // 19 + 31 = 50."], "name": "CVE-2022-49754", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49754\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49754\nhttps://lore.kernel.org/linux-cve-announce/2025032701-CVE-2022-49754-cc36@gregkh/T"], "threat_severity": "Low"}