cve-2024-43873
Vulnerability from cvelistv5
Published
2024-08-21 00:06
Modified
2024-11-05 09:41
Severity ?
Summary
vhost/vsock: always initialize seqpacket_allow
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1e1fdcbdde3b7663e5d8faeb2245b9b151417d22Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3062cb100787a9ddf45de30004b962035cd497fbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/30bd4593669443ac58515e23557dc8cef70d8582Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ea558f10fb05a6503c6e655a1b7d81fdf8e5924cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eab96e8716cbfc2834b54f71cc9501ad4eec963bPatch
Impacted products
Vendor Product Version
Linux Linux Version: 5.14
Show details on NVD website

To clipboard 

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              "content": {
                "id": "CVE-2024-43873",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
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                  {
                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T16:06:13.431243Z",
                "version": "2.0.3"
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          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvhost/vsock: always initialize seqpacket_allow\n\nThere are two issues around seqpacket_allow:\n1. seqpacket_allow is not initialized when socket is\n   created. Thus if features are never set, it will be\n   read uninitialized.\n2. if VIRTIO_VSOCK_F_SEQPACKET is set and then cleared,\n   then seqpacket_allow will not be cleared appropriately\n   (existing apps I know about don\u0027t usually do this but\n    it\u0027s legal and there\u0027s no way to be sure no one relies\n    on this).\n\nTo fix:\n\t- initialize seqpacket_allow after allocation\n\t- set it unconditionally in set_features"
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    "assignerShortName": "Linux",
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    "datePublished": "2024-08-21T00:06:25.114Z",
    "dateReserved": "2024-08-17T09:11:59.281Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-43873\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-21T01:15:11.790\",\"lastModified\":\"2024-09-03T13:35:44.897\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nvhost/vsock: always initialize seqpacket_allow\\n\\nThere are two issues around seqpacket_allow:\\n1. seqpacket_allow is not initialized when socket is\\n   created. Thus if features are never set, it will be\\n   read uninitialized.\\n2. if VIRTIO_VSOCK_F_SEQPACKET is set and then cleared,\\n   then seqpacket_allow will not be cleared appropriately\\n   (existing apps I know about don\u0027t usually do this but\\n    it\u0027s legal and there\u0027s no way to be sure no one relies\\n    on this).\\n\\nTo fix:\\n\\t- initialize seqpacket_allow after allocation\\n\\t- set it unconditionally in set_features\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: vhost/vsock: inicializar siempre seqpacket_allow Hay dos problemas relacionados con seqpacket_allow: 1. seqpacket_allow no se inicializa cuando se crea el socket. Por lo tanto, si las funciones nunca se configuran, se leer\u00e1 sin inicializar. 2. Si VIRTIO_VSOCK_F_SEQPACKET est\u00e1 configurado y luego borrado, entonces seqpacket_allow no se borrar\u00e1 apropiadamente (las aplicaciones existentes que conozco generalmente no hacen esto, pero es legal y no hay forma de estar seguro de que nadie conf\u00ede en esto). Para solucionarlo: - inicializar seqpacket_allow despu\u00e9s de la asignaci\u00f3n - configurarlo incondicionalmente en set_features\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-909\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.14\",\"versionEndExcluding\":\"5.15.165\",\"matchCriteriaId\":\"F20D8A8D-1A11-440E-A3A7-0C70F9D98782\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.103\",\"matchCriteriaId\":\"E45EAC72-8329-4F99-8276-86AF9BB3496A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.44\",\"matchCriteriaId\":\"CC912330-6B41-4C6B-99AF-F3857FBACB6A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.3\",\"matchCriteriaId\":\"92D388F2-1EAF-4CFA-AC06-5B26D762EA7D\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1e1fdcbdde3b7663e5d8faeb2245b9b151417d22\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3062cb100787a9ddf45de30004b962035cd497fb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/30bd4593669443ac58515e23557dc8cef70d8582\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ea558f10fb05a6503c6e655a1b7d81fdf8e5924c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/eab96e8716cbfc2834b54f71cc9501ad4eec963b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
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}


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