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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "97F8F699-7041-44A4-9087-0E1FFC0543C8", "versionEndExcluding": "6.6.36", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0A047AF2-94AC-4A3A-B32D-6AB930D8EF1C", "versionEndExcluding": "6.9.7", "versionStartIncluding": "6.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nssb: Fix potential NULL pointer dereference in ssb_device_uevent()\n\nThe ssb_device_uevent() function first attempts to convert the 'dev' pointer\nto 'struct ssb_device *'. However, it mistakenly dereferences 'dev' before\nperforming the NULL check, potentially leading to a NULL pointer\ndereference if 'dev' is NULL.\n\nTo fix this issue, move the NULL check before dereferencing the 'dev' pointer,\nensuring that the pointer is valid before attempting to use it.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: ssb: corrige la posible desreferencia del puntero NULL en ssb_device_uevent() La funci\u00f3n ssb_device_uevent() primero intenta convertir el puntero 'dev' en 'struct ssb_device *'. Sin embargo, por error elimina la referencia a 'dev' antes de realizar la comprobaci\u00f3n NULL, lo que podr\u00eda provocar una desreferencia del puntero NULL si 'dev' es NULL. Para solucionar este problema, mueva la marca NULL antes de eliminar la referencia al puntero 'dev', asegur\u00e1ndose de que el puntero sea v\u00e1lido antes de intentar usarlo. Encontrado por el Centro de verificaci\u00f3n de Linux (linuxtesting.org) con SVACE."}], "id": "CVE-2024-40982", "lastModified": "2024-11-21T09:32:00.137", "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-07-12T13:15:19.800", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/789c17185fb0f39560496c2beab9b57ce1d0cbe7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7d43c8377c6fc846b1812f8df360425c9323dc56"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c5dc2d8eb3981bae261ea7d1060a80868e886813"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/789c17185fb0f39560496c2beab9b57ce1d0cbe7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7d43c8377c6fc846b1812f8df360425c9323dc56"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c5dc2d8eb3981bae261ea7d1060a80868e886813"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ssb: Fix potential NULL pointer dereference in ssb_device_uevent()", "id": "2297566", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2297566"}, "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"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nssb: Fix potential NULL pointer dereference in ssb_device_uevent()\nThe ssb_device_uevent() function first attempts to convert the 'dev' pointer\nto 'struct ssb_device *'. However, it mistakenly dereferences 'dev' before\nperforming the NULL check, potentially leading to a NULL pointer\ndereference if 'dev' is NULL.\nTo fix this issue, move the NULL check before dereferencing the 'dev' pointer,\nensuring that the pointer is valid before attempting to use it.\nFound by Linux Verification Center (linuxtesting.org) with SVACE.", "A flaw was found in the ssb module in the Linux kernel. A NULL pointer dereference can be triggered due to a missing input validation when converting a device to a SSB device, resulting in a denial of service."], "name": "CVE-2024-40982", "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": "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": "2024-07-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-40982\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-40982\nhttps://lore.kernel.org/linux-cve-announce/2024071232-CVE-2024-40982-149b@gregkh/T"], "statement": "The ssb module is not built in the kernel shipped in Red Hat Enterprise Linux 8 and 9, so it is not affected by this vulnerability.", "threat_severity": "Moderate", "upstream_fix": "kernel 6.6.36, kernel 6.9.7, kernel 6.10-rc1"}