{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-08T07:38:28.640","vulnerabilities":[{"cve":{"id":"CVE-2023-52531","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-03-02T22:15:48.613","lastModified":"2024-12-11T15:28:47.893","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: Fix a memory corruption issue\n\nA few lines above, space is kzalloc()'ed for:\n\tsizeof(struct iwl_nvm_data) +\n\tsizeof(struct ieee80211_channel) +\n\tsizeof(struct ieee80211_rate)\n\n'mvm->nvm_data' is a 'struct iwl_nvm_data', so it is fine.\n\nAt the end of this structure, there is the 'channels' flex array.\nEach element is of type 'struct ieee80211_channel'.\nSo only 1 element is allocated in this array.\n\nWhen doing:\n  mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;\nWe point at the first element of the 'channels' flex array.\nSo this is fine.\n\nHowever, when doing:\n  mvm->nvm_data->bands[0].bitrates =\n\t\t\t(void *)((u8 *)mvm->nvm_data->channels + 1);\nbecause of the \"(u8 *)\" cast, we add only 1 to the address of the beginning\nof the flex array.\n\nIt is likely that we want point at the 'struct ieee80211_rate' allocated\njust after.\n\nRemove the spurious casting so that the pointer arithmetic works as\nexpected."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: iwlwifi: mvm: soluciona un problema de corrupción de memoria Unas pocas líneas arriba, se kzalloc()'ed espacio para: sizeof(struct iwl_nvm_data) + sizeof(struct ieee80211_channel) + sizeof (struct ieee80211_rate) 'mvm->nvm_data' es una 'struct iwl_nvm_data', por lo que está bien. Al final de esta estructura, se encuentra la matriz flexible de 'canales'. Cada elemento es de tipo 'struct ieee80211_channel'. Entonces solo se asigna 1 elemento en esta matriz. Al hacer: mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels; Apuntamos al primer elemento de la matriz flexible 'canales'. Entonces esto está bien. Sin embargo, al hacer: mvm->nvm_data->bands[0].bitrates = (void *)((u8 *)mvm->nvm_data->channels + 1); debido a la conversión \"(u8 *)\", agregamos solo 1 a la dirección del comienzo de la matriz flexible. Es probable que queramos apuntar a la 'estructura ieee80211_rate' asignada justo después. Retire la fundición espuria para que la aritmética del puntero funcione como se esperaba."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.15.135","matchCriteriaId":"FA1C2331-7851-4FAC-B2E1-436FC160FDC2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.57","matchCriteriaId":"8629E5D1-351D-4D4B-8D05-E10BD4A1CFD0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.5.7","matchCriteriaId":"830A824C-F212-4FDC-ADEF-0EBEC6B2365B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.6:rc1:*:*:*:*:*:*","matchCriteriaId":"84267A4F-DBC2-444F-B41D-69E15E1BEC97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.6:rc2:*:*:*:*:*:*","matchCriteriaId":"FB440208-241C-4246-9A83-C1715C0DAA6C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.6:rc3:*:*:*:*:*:*","matchCriteriaId":"0DC421F1-3D5A-4BEF-BF76-4E468985D20B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.6:rc4:*:*:*:*:*:*","matchCriteriaId":"00AB783B-BE05-40E8-9A55-6AA457D95031"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/6b3223449c959a8be94a1f042288059e40fcccb0","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/7c8faa31080342aec4903c9acb20caf82fcca1ef","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/8ba438ef3cacc4808a63ed0ce24d4f0942cfe55d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f06cdd8d4ba5252986f51f80cc30263636397128","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/6b3223449c959a8be94a1f042288059e40fcccb0","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/7c8faa31080342aec4903c9acb20caf82fcca1ef","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/8ba438ef3cacc4808a63ed0ce24d4f0942cfe55d","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f06cdd8d4ba5252986f51f80cc30263636397128","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}