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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DC321538-B8AF-474D-83B4-EC34D319F835", "versionEndExcluding": "5.4.268", "versionStartIncluding": "5.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5D2E4F24-2FBB-4434-8598-2B1499E566B5", "versionEndExcluding": "5.10.209", "versionStartIncluding": "5.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E25E1389-4B0F-407A-9C94-5908FF3EE88B", "versionEndExcluding": "5.15.148", "versionStartIncluding": "5.11.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2C4951FA-80C0-4B4C-9836-6E5035DEB0F9", "versionEndExcluding": "6.1.75", "versionStartIncluding": "5.16.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BDBBEB0E-D13A-4567-8984-51C5375350B9", "versionEndExcluding": "6.6.14", "versionStartIncluding": "6.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0EA3778C-730B-464C-8023-18CA6AC0B807", "versionEndExcluding": "6.7.2", "versionStartIncluding": "6.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length\n\nIf the host sends an H2CData command with an invalid DATAL,\nthe kernel may crash in nvmet_tcp_build_pdu_iovec().\n\nUnable to handle kernel NULL pointer dereference at\nvirtual address 0000000000000000\nlr : nvmet_tcp_io_work+0x6ac/0x718 [nvmet_tcp]\nCall trace:\n process_one_work+0x174/0x3c8\n worker_thread+0x2d0/0x3e8\n kthread+0x104/0x110\n\nFix the bug by raising a fatal error if DATAL isn't coherent\nwith the packet size.\nAlso, the PDU length should never exceed the MAXH2CDATA parameter which\nhas been communicated to the host in nvmet_tcp_handle_icreq()."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: nvmet-tcp: soluciona un p\u00e1nico del kernel cuando el host env\u00eda una longitud de PDU H2C no v\u00e1lida. Si el host env\u00eda un comando H2CData con un DATAL no v\u00e1lido, el kernel puede fallar en nvmet_tcp_build_pdu_iovec(). No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000000 lr: nvmet_tcp_io_work+0x6ac/0x718 [nvmet_tcp] Rastreo de llamadas: Process_one_work+0x174/0x3c8 trabajador_thread+0x2d0/0x3e8 kthread+0x104/0x110 Solucione el error generando un error fatal si DATAL es No es coherente con el tama\u00f1o del paquete. Adem\u00e1s, la longitud de la PDU nunca debe exceder el par\u00e1metro MAXH2CDATA que se ha comunicado al host en nvmet_tcp_handle_icreq()."}], "id": "CVE-2023-52454", "lastModified": "2024-11-21T08:39:48.320", "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": "2024-02-23T15:15:08.137", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/24e05760186dc070d3db190ca61efdbce23afc88"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2871aa407007f6f531fae181ad252486e022df42"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4cb3cf7177ae3666be7fb27d4ad4d72a295fb02d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/70154e8d015c9b4fb56c1a2ef1fc8b83d45c7f68"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ee5e7632e981673f42a50ade25e71e612e543d9d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/efa56305908ba20de2104f1b8508c6a7401833be"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f775f2621c2ac5cc3a0b3a64665dad4fb146e510"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/24e05760186dc070d3db190ca61efdbce23afc88"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2871aa407007f6f531fae181ad252486e022df42"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4cb3cf7177ae3666be7fb27d4ad4d72a295fb02d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/70154e8d015c9b4fb56c1a2ef1fc8b83d45c7f68"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ee5e7632e981673f42a50ade25e71e612e543d9d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/efa56305908ba20de2104f1b8508c6a7401833be"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f775f2621c2ac5cc3a0b3a64665dad4fb146e510"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length", "id": "2265791", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2265791"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length\nIf the host sends an H2CData command with an invalid DATAL,\nthe kernel may crash in nvmet_tcp_build_pdu_iovec().\nUnable to handle kernel NULL pointer dereference at\nvirtual address 0000000000000000\nlr : nvmet_tcp_io_work+0x6ac/0x718 [nvmet_tcp]\nCall trace:\nprocess_one_work+0x174/0x3c8\nworker_thread+0x2d0/0x3e8\nkthread+0x104/0x110\nFix the bug by raising a fatal error if DATAL isn't coherent\nwith the packet size.\nAlso, the PDU length should never exceed the MAXH2CDATA parameter which\nhas been communicated to the host in nvmet_tcp_handle_icreq().", "A vulnerability was found in the Linux kernel. This flaw allows an attacker to send a malicious command to cause a kernel panic, leading to a denial of service."], "mitigation": {"lang": "en:us", "value": "No mitigation is currently available for this vulnerability. Make sure to perform the updates as they become available."}, "name": "CVE-2023-52454", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "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": "2024-02-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52454\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52454\nhttps://lore.kernel.org/linux-cve-announce/2024022330-CVE-2023-52454-5cf0@gregkh/T/#u"], "threat_severity": "Moderate", "upstream_fix": "kernel 6.8-rc1"}