{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-56539", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-27T14:03:05.987Z", "datePublished": "2024-12-27T14:11:21.487Z", "dateUpdated": "2025-11-03T20:49:19.347Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T09:57:43.419Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_config_scan()\n\nReplace one-element array with a flexible-array member in `struct\nmwifiex_ie_types_wildcard_ssid_params` to fix the following warning\non a MT8173 Chromebook (mt8173-elm-hana):\n\n[ 356.775250] ------------[ cut here ]------------\n[ 356.784543] memcpy: detected field-spanning write (size 6) of single field \"wildcard_ssid_tlv->ssid\" at drivers/net/wireless/marvell/mwifiex/scan.c:904 (size 1)\n[ 356.813403] WARNING: CPU: 3 PID: 742 at drivers/net/wireless/marvell/mwifiex/scan.c:904 mwifiex_scan_networks+0x4fc/0xf28 [mwifiex]\n\nThe \"(size 6)\" above is exactly the length of the SSID of the network\nthis device was connected to. The source of the warning looks like:\n\n ssid_len = user_scan_in->ssid_list[i].ssid_len;\n [...]\n memcpy(wildcard_ssid_tlv->ssid,\n user_scan_in->ssid_list[i].ssid, ssid_len);\n\nThere is a #define WILDCARD_SSID_TLV_MAX_SIZE that uses sizeof() on this\nstruct, but it already didn't account for the size of the one-element\narray, so it doesn't need to be changed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/marvell/mwifiex/fw.h"], "versions": [{"version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "lessThan": "a09760c513ae0f98c7082a1deace7fb6284ee866", "status": "affected", "versionType": "git"}, {"version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "lessThan": "1de0ca1d7320a645ba2ee5954f64be08935b002a", "status": "affected", "versionType": "git"}, {"version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "lessThan": 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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0AE46053-DBE9-4FF2-9E2B-49602B7C5B31", "versionEndExcluding": "4.19.325", "versionStartIncluding": "3.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E4B15788-D35E-4E5B-A9C0-070AE3729B34", "versionEndExcluding": "5.4.287", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B5C644CC-2BD7-4E32-BC54-8DCC7ABE9935", "versionEndExcluding": "5.10.231", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "419FD073-1517-4FD5-8158-F94BC68A1E89", "versionEndExcluding": "5.15.174", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "09AC6122-E2A4-40FE-9D33-268A1B2EC265", "versionEndExcluding": "6.1.120", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CA16DEE3-ABEC-4449-9F4A-7A3DC4FC36C7", "versionEndExcluding": "6.6.64", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "21434379-192D-472F-9B54-D45E3650E893", "versionEndExcluding": "6.11.11", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8882B1B-2ABC-4838-AC1D-DBDBB5764776", "versionEndExcluding": "6.12.2", "versionStartIncluding": "6.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_config_scan()\n\nReplace one-element array with a flexible-array member in `struct\nmwifiex_ie_types_wildcard_ssid_params` to fix the following warning\non a MT8173 Chromebook (mt8173-elm-hana):\n\n[ 356.775250] ------------[ cut here ]------------\n[ 356.784543] memcpy: detected field-spanning write (size 6) of single field \"wildcard_ssid_tlv->ssid\" at drivers/net/wireless/marvell/mwifiex/scan.c:904 (size 1)\n[ 356.813403] WARNING: CPU: 3 PID: 742 at drivers/net/wireless/marvell/mwifiex/scan.c:904 mwifiex_scan_networks+0x4fc/0xf28 [mwifiex]\n\nThe \"(size 6)\" above is exactly the length of the SSID of the network\nthis device was connected to. The source of the warning looks like:\n\n ssid_len = user_scan_in->ssid_list[i].ssid_len;\n [...]\n memcpy(wildcard_ssid_tlv->ssid,\n user_scan_in->ssid_list[i].ssid, ssid_len);\n\nThere is a #define WILDCARD_SSID_TLV_MAX_SIZE that uses sizeof() on this\nstruct, but it already didn't account for the size of the one-element\narray, so it doesn't need to be changed."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mwifiex: Se corrige la advertencia de escritura que abarca el campo memcpy() en mwifiex_config_scan() Reemplace la matriz de un elemento con un miembro de matriz flexible en `struct mwifiex_ie_types_wildcard_ssid_params` para corregir la siguiente advertencia en una Chromebook MT8173 (mt8173-elm-hana): [ 356.775250] ------------[ cortar aqu\u00ed ]------------ [ 356.784543] memcpy: se detect\u00f3 escritura que abarca el campo (tama\u00f1o 6) del campo \u00fanico \"wildcard_ssid_tlv->ssid\" en drivers/net/wireless/marvell/mwifiex/scan.c:904 (tama\u00f1o 1) [ 356.813403] ADVERTENCIA: CPU: 3 PID: 742 en drivers/net/wireless/marvell/mwifiex/scan.c:904 mwifiex_scan_networks+0x4fc/0xf28 [mwifiex] El \"(tama\u00f1o 6)\" anterior es exactamente la longitud del SSID de la red a la que estaba conectado este dispositivo. La fuente de la advertencia se ve as\u00ed: ssid_len = user_scan_in->ssid_list[i].ssid_len; [...] memcpy(wildcard_ssid_tlv->ssid, user_scan_in->ssid_list[i].ssid, ssid_len); Hay un #define WILDCARD_SSID_TLV_MAX_SIZE que usa sizeof() en esta estructura, pero ya no ten\u00eda en cuenta el tama\u00f1o de la matriz de un elemento, por lo que no es necesario cambiarlo."}], "id": "CVE-2024-56539", "lastModified": "2025-11-03T21:17:52.607", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2024-12-27T14:15:33.530", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1de0ca1d7320a645ba2ee5954f64be08935b002a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/581261b2d6fdb4237b24fa13f5a5f87bf2861f2c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5fa329c44e1e635da2541eab28b6cdb8464fc8d1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a09760c513ae0f98c7082a1deace7fb6284ee866"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b466746cfb6be43f9a1457bbee52ade397fb23ea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c4698ef8c42e02782604bf4f8a489dbf6b0c1365"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d241a139c2e9f8a479f25c75ebd5391e6a448500"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d7774910c5583e61c5fe2571280366624ef48036"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e2de22e4b6213371d9e76f74a10ce817572a8d74"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_config_scan()", "id": "2334484", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334484"}, "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:\nwifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_config_scan()\nReplace one-element array with a flexible-array member in `struct\nmwifiex_ie_types_wildcard_ssid_params` to fix the following warning\non a MT8173 Chromebook (mt8173-elm-hana):\n[ 356.775250] ------------[ cut here ]------------\n[ 356.784543] memcpy: detected field-spanning write (size 6) of single field \"wildcard_ssid_tlv->ssid\" at drivers/net/wireless/marvell/mwifiex/scan.c:904 (size 1)\n[ 356.813403] WARNING: CPU: 3 PID: 742 at drivers/net/wireless/marvell/mwifiex/scan.c:904 mwifiex_scan_networks+0x4fc/0xf28 [mwifiex]\nThe \"(size 6)\" above is exactly the length of the SSID of the network\nthis device was connected to. The source of the warning looks like:\nssid_len = user_scan_in->ssid_list[i].ssid_len;\n[...]\nmemcpy(wildcard_ssid_tlv->ssid,\nuser_scan_in->ssid_list[i].ssid, ssid_len);\nThere is a #define WILDCARD_SSID_TLV_MAX_SIZE that uses sizeof() on this\nstruct, but it already didn't account for the size of the one-element\narray, so it doesn't need to be changed."], "name": "CVE-2024-56539", "package_state": [{"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": "2024-12-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-56539\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-56539\nhttps://lore.kernel.org/linux-cve-announce/2024122726-CVE-2024-56539-4d60@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-07-13T11:14:02.314609+00:00", "updated": "2025-07-13T11:14:02.314680+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}