CVE-2025-38053

{"id": "CVE-2025-38053", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "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}]}, "published": "2025-06-18T10:15:37.953", "references": [{"url": "https://git.kernel.org/stable/c/2dabe349f7882ff1407a784d54d8541909329088", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/bf1e751c5a5611aa037ab44cca955c141eb68dcc", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f6f5e9c8cb680c3cb9771fd9fa114319cbc4f514", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix null-ptr-deref in idpf_features_check\n\nidpf_features_check is used to validate the TX packet. skb header\nlength is compared with the hardware supported value received from\nthe device control plane. The value is stored in the adapter structure\nand to access it, vport pointer is used. During reset all the vports\nare released and the vport pointer that the netdev private structure\npoints to is NULL.\n\nTo avoid null-ptr-deref, store the max header length value in netdev\nprivate structure. This also helps to cache the value and avoid\naccessing adapter pointer in hot path.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000068\n...\nRIP: 0010:idpf_features_check+0x6d/0xe0 [idpf]\nCall Trace:\n <TASK>\n ? __die+0x23/0x70\n ? page_fault_oops+0x154/0x520\n ? exc_page_fault+0x76/0x190\n ? asm_exc_page_fault+0x26/0x30\n ? idpf_features_check+0x6d/0xe0 [idpf]\n netif_skb_features+0x88/0x310\n validate_xmit_skb+0x2a/0x2b0\n validate_xmit_skb_list+0x4c/0x70\n sch_direct_xmit+0x19d/0x3a0\n __dev_queue_xmit+0xb74/0xe70\n ..."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: idpf: correcci\u00f3n de null-ptr-deref en idpf_features_check idpf_features_check se utiliza para validar el paquete TX. La longitud del encabezado skb se compara con el valor admitido por el hardware recibido del plano de control del dispositivo. El valor se almacena en la estructura del adaptador y para acceder a \u00e9l, se utiliza el puntero vport. Durante el reinicio, se liberan todos los vports y el puntero vport al que apunta la estructura privada netdev es NULL. Para evitar null-ptr-deref, almacene el valor de longitud m\u00e1xima del encabezado en la estructura privada netdev. Esto tambi\u00e9n ayuda a almacenar en cach\u00e9 el valor y evitar el acceso al puntero del adaptador en la ruta activa. ERROR: desreferencia de puntero NULL del kernel, direcci\u00f3n: 0000000000000068 ... RIP: 0010:idpf_features_check+0x6d/0xe0 [idpf] Rastreo de llamadas: ? __die+0x23/0x70 ? page_fault_oops+0x154/0x520 ? exc_page_fault+0x76/0x190 ? asm_exc_page_fault+0x26/0x30 ? idpf_features_check+0x6d/0xe0 [idpf] netif_skb_features+0x88/0x310 validate_xmit_skb+0x2a/0x2b0 validate_xmit_skb_list+0x4c/0x70 sch_direct_xmit+0x19d/0x3a0 __dev_queue_xmit+0xb74/0xe70 ... "}], "lastModified": "2025-11-14T17:07:20.933", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1AE98841-5774-4B45-A81C-2D188DB7E5C3", "versionEndExcluding": "6.12.31", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A9B72DD1-715C-4101-A720-1C8D70044C06", "versionEndExcluding": "6.14.9", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8D465631-2980-487A-8E65-40AE2B9F8ED1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4C9D071F-B28E-46EC-AC61-22B913390211"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "13FC0DDE-E513-465E-9E81-515702D49B74"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8C7B5B0E-4EEB-48F5-B4CF-0935A7633845"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2D240580-3048-49B2-9E27-F115A9DF8224"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.15:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "90320558-E553-4EF5-8A0B-0F5D20113BD2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.15:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C300BA32-5854-4B59-A00A-18A402F291D0"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}