CVE-2026-46305

{"id": "CVE-2026-46305", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "980cd426a25747daf8ed25e2a1904b2d26ffbb3d", "lessThan": "0a5f411becfb7c57aa89827213d31ef23a03d75a", "versionType": "git"}, {"status": "affected", "version": "980cd426a25747daf8ed25e2a1904b2d26ffbb3d", "lessThan": "bc851db06045a40c18233dd76ef0562d7f8bb6db", "versionType": "git"}], "programFiles": ["drivers/staging/rtl8723bs/os_dep/osdep_service.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "7.0"}, {"status": "unaffected", "version": "0", "lessThan": "7.0", "versionType": "semver"}, {"status": "unaffected", "version": "7.0.7", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/staging/rtl8723bs/os_dep/osdep_service.c"], "defaultStatus": "affected"}]}], "published": "2026-06-08T17:16:49.253", "references": [{"url": "https://git.kernel.org/stable/c/0a5f411becfb7c57aa89827213d31ef23a03d75a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/bc851db06045a40c18233dd76ef0562d7f8bb6db", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8723bs: os_dep: avoid NULL pointer dereference in rtw_cbuf_alloc\n\nThe return value of kzalloc_flex() is used without\nensuring that the allocation succeeded, and the\npointer is dereferenced unconditionally.\n\nGuard the access to the allocated structure to\navoid a potential NULL pointer dereference if the\nallocation fails."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nstaging: rtl8723bs: os_dep: evitar la desreferencia de puntero NULL en rtw_cbuf_alloc\n\nEl valor de retorno de kzalloc_flex() se utiliza sin asegurar que la asignaci\u00f3n haya tenido \u00e9xito, y el puntero es desreferenciado incondicionalmente.\n\nProteger el acceso a la estructura asignada para evitar una potencial desreferencia de puntero NULL si la asignaci\u00f3n falla."}], "lastModified": "2026-07-23T08:10:00.137", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FD366C5A-E83E-40D3-BB82-BD3DEB7815B6", "versionEndExcluding": "7.0.7", "versionStartIncluding": "7.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1EF7059-E670-45F4-B422-54C40FA86390"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D38F0BF-A728-4133-A358-D44A2F7EE6D6"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}