{"id":"CVE-2024-56539","state":"PUBLISHED","title":"wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_config_scan()","description":"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.","publishedAt":"2024-12-27T14:11:21.487Z","updatedAt":"2026-05-11T20:54:12.871Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"a09760c513ae0f98c7082a1deace7fb6284ee866","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"1de0ca1d7320a645ba2ee5954f64be08935b002a","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"5fa329c44e1e635da2541eab28b6cdb8464fc8d1","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"581261b2d6fdb4237b24fa13f5a5f87bf2861f2c","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"b466746cfb6be43f9a1457bbee52ade397fb23ea","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"c4698ef8c42e02782604bf4f8a489dbf6b0c1365","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"e2de22e4b6213371d9e76f74a10ce817572a8d74","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"d7774910c5583e61c5fe2571280366624ef48036","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"d241a139c2e9f8a479f25c75ebd5391e6a448500","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/fw.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.0","versionType":"semver"},{"version":"4.19.325","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.287","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.231","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.174","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.120","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.64","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.11.11","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12.2","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/fw.h"]}],"references":["https://git.kernel.org/stable/c/a09760c513ae0f98c7082a1deace7fb6284ee866","https://git.kernel.org/stable/c/1de0ca1d7320a645ba2ee5954f64be08935b002a","https://git.kernel.org/stable/c/5fa329c44e1e635da2541eab28b6cdb8464fc8d1","https://git.kernel.org/stable/c/581261b2d6fdb4237b24fa13f5a5f87bf2861f2c","https://git.kernel.org/stable/c/b466746cfb6be43f9a1457bbee52ade397fb23ea","https://git.kernel.org/stable/c/c4698ef8c42e02782604bf4f8a489dbf6b0c1365","https://git.kernel.org/stable/c/e2de22e4b6213371d9e76f74a10ce817572a8d74","https://git.kernel.org/stable/c/d7774910c5583e61c5fe2571280366624ef48036","https://git.kernel.org/stable/c/d241a139c2e9f8a479f25c75ebd5391e6a448500","https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html","https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:08:12.933Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/56xxx/CVE-2024-56539.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-56539","state":"PUBLISHED","datePublished":"2024-12-27T14:11:21.487Z","dateUpdated":"2026-05-11T20:54:12.871Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-12-27T14:03:05.987Z"},"containers":{"cna":{"title":"wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_config_scan()","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"a09760c513ae0f98c7082a1deace7fb6284ee866","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"1de0ca1d7320a645ba2ee5954f64be08935b002a","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"5fa329c44e1e635da2541eab28b6cdb8464fc8d1","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"581261b2d6fdb4237b24fa13f5a5f87bf2861f2c","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"b466746cfb6be43f9a1457bbee52ade397fb23ea","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"c4698ef8c42e02782604bf4f8a489dbf6b0c1365","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"e2de22e4b6213371d9e76f74a10ce817572a8d74","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"d7774910c5583e61c5fe2571280366624ef48036","versionType":"git"},{"version":"5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e","status":"affected","lessThan":"d241a139c2e9f8a479f25c75ebd5391e6a448500","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/fw.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.0","versionType":"semver"},{"version":"4.19.325","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.287","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.231","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.174","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.120","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.64","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.11.11","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12.2","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/fw.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/a09760c513ae0f98c7082a1deace7fb6284ee866"},{"url":"https://git.kernel.org/stable/c/1de0ca1d7320a645ba2ee5954f64be08935b002a"},{"url":"https://git.kernel.org/stable/c/5fa329c44e1e635da2541eab28b6cdb8464fc8d1"},{"url":"https://git.kernel.org/stable/c/581261b2d6fdb4237b24fa13f5a5f87bf2861f2c"},{"url":"https://git.kernel.org/stable/c/b466746cfb6be43f9a1457bbee52ade397fb23ea"},{"url":"https://git.kernel.org/stable/c/c4698ef8c42e02782604bf4f8a489dbf6b0c1365"},{"url":"https://git.kernel.org/stable/c/e2de22e4b6213371d9e76f74a10ce817572a8d74"},{"url":"https://git.kernel.org/stable/c/d7774910c5583e61c5fe2571280366624ef48036"},{"url":"https://git.kernel.org/stable/c/d241a139c2e9f8a479f25c75ebd5391e6a448500"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:54:12.871Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"4.19.325"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"5.4.287"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"5.10.231"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"5.15.174"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.1.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.6.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.11.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.12.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.13"}]}]}],"x_generato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Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T20:49:19.347Z"}}]}}}