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On 32bit systems anything >= SIZE_MAX / 16 will\n> have an integer overflow and some those values will be accepted by\n> xdr_inline_decode()."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: svcrdma: soluciona un desbordamiento de enteros Dan Carpenter informa: > Commit 78147ca8b4a9 (\"svcrdma: agrega una estructura de datos de lista de fragmentos analizados\") del 22 de junio de 2020 (linux-next ), conduce a la siguiente > Advertencia del comprobador est\u00e1tico Smatch: > > net/sunrpc/xprtrdma/svc_rdma_recvfrom.c:498 xdr_check_write_chunk() > advertencia: tama\u00f1o de desbordamiento potencial controlado por el usuario 'segcount * 4 * 4' > > net/sunrpc/xprtrdma/svc_rdma_recvfrom.c > 488 static bool xdr_check_write_chunk(struct svc_rdma_recv_ctxt *rctxt) > 489 { > 490 u32 segcount; > 491 __be32 *p; > 492 > 493 if (xdr_stream_decode_u32(&rctxt->rc_stream, &segcount)) > ^^^^^^^^ > > 494 devuelve falso; > 495 > 496 /* Un recuento de segmentos falso provoca que esta comprobaci\u00f3n de desbordamiento del b\u00fafer falle. */> 497 p = xdr_inline_decode(&rctxt->rc_stream, > --> 498 segcount * rpcrdma_segment_maxsz * sizeof(*p)); > > > segcount es un u32 que no es de confianza. En sistemas de 32 bits, cualquier cosa >= TAMA\u00d1O_MAX / 16 tendr\u00e1 > un desbordamiento de enteros y algunos de esos valores ser\u00e1n aceptados por > xdr_inline_decode()."}], "id": "CVE-2024-53151", "lastModified": "2025-11-03T21:17:32.643", "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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-12-24T12:15:23.240", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/21e1cf688fb0397788c8dd42e1e0b08d58ac5c7b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3c63d8946e578663b868cb9912dac616ea68bfd0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4cbc3ba6dc2f746497cade60bcbaa82ae3696689"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/838dd342962cef4c320632a5af48d3c31f2f9877"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c1f8195bf68edd2cef0f18a4cead394075a54b5a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e5c440c227ecdc721f2da0dd88b6358afd1031a7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-190"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: svcrdma: Address an integer overflow", "id": "2333969", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2333969"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nsvcrdma: Address an integer overflow\nDan Carpenter reports:\n> Commit 78147ca8b4a9 (\"svcrdma: Add a \"parsed chunk list\" data\n> structure\") from Jun 22, 2020 (linux-next), leads to the following\n> Smatch static checker warning:\n>\n>net/sunrpc/xprtrdma/svc_rdma_recvfrom.c:498 xdr_check_write_chunk()\n>warn: potential user controlled sizeof overflow 'segcount * 4 * 4'\n>\n> net/sunrpc/xprtrdma/svc_rdma_recvfrom.c\n> 488 static bool xdr_check_write_chunk(struct svc_rdma_recv_ctxt *rctxt)\n> 489 {\n> 490 u32 segcount;\n> 491 __be32 *p;\n> 492\n> 493 if (xdr_stream_decode_u32(&rctxt->rc_stream, &segcount))\n> ^^^^^^^^\n>\n> 494 return false;\n> 495\n> 496 /* A bogus segcount causes this buffer overflow check to fail. */\n> 497 p = xdr_inline_decode(&rctxt->rc_stream,\n> --> 498 segcount * rpcrdma_segment_maxsz * sizeof(*p));\n>\n>\n> segcount is an untrusted u32. On 32bit systems anything >= SIZE_MAX / 16 will\n> have an integer overflow and some those values will be accepted by\n> xdr_inline_decode()."], "name": "CVE-2024-53151", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-12-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-53151\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-53151\nhttps://lore.kernel.org/linux-cve-announce/2024122428-CVE-2024-53151-0e74@gregkh/T"], "threat_severity": "Low"}

{}