CVE-2024-26849
Vulnerability from cvelistv5
Published
2024-04-17 10:14
Modified
2024-11-05 09:16
Severity ?
Summary
netlink: add nla be16/32 types to minlen array
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


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                "role": "CISA Coordinator",
                "timestamp": "2024-06-17T19:19:12.793371Z",
                "version": "2.0.3"
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        "title": "CISA ADP Vulnrichment"
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    "cna": {
      "affected": [
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          "product": "Linux",
          "programFiles": [
            "lib/nlattr.c"
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          "vendor": "Linux",
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          "versions": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetlink: add nla be16/32 types to minlen array\n\nBUG: KMSAN: uninit-value in nla_validate_range_unsigned lib/nlattr.c:222 [inline]\nBUG: KMSAN: uninit-value in nla_validate_int_range lib/nlattr.c:336 [inline]\nBUG: KMSAN: uninit-value in validate_nla lib/nlattr.c:575 [inline]\nBUG: KMSAN: uninit-value in __nla_validate_parse+0x2e20/0x45c0 lib/nlattr.c:631\n nla_validate_range_unsigned lib/nlattr.c:222 [inline]\n nla_validate_int_range lib/nlattr.c:336 [inline]\n validate_nla lib/nlattr.c:575 [inline]\n...\n\nThe message in question matches this policy:\n\n [NFTA_TARGET_REV]       = NLA_POLICY_MAX(NLA_BE32, 255),\n\nbut because NLA_BE32 size in minlen array is 0, the validation\ncode will read past the malformed (too small) attribute.\n\nNote: Other attributes, e.g. BITFIELD32, SINT, UINT.. are also missing:\nthose likely should be added too."
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        "dateUpdated": "2024-11-05T09:16:55.227Z",
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        "shortName": "Linux"
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      "title": "netlink: add nla be16/32 types to minlen array",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26849",
    "datePublished": "2024-04-17T10:14:20.184Z",
    "dateReserved": "2024-02-19T14:20:24.182Z",
    "dateUpdated": "2024-11-05T09:16:55.227Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26849\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-17T11:15:08.377\",\"lastModified\":\"2024-04-17T12:48:07.510\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetlink: add nla be16/32 types to minlen array\\n\\nBUG: KMSAN: uninit-value in nla_validate_range_unsigned lib/nlattr.c:222 [inline]\\nBUG: KMSAN: uninit-value in nla_validate_int_range lib/nlattr.c:336 [inline]\\nBUG: KMSAN: uninit-value in validate_nla lib/nlattr.c:575 [inline]\\nBUG: KMSAN: uninit-value in __nla_validate_parse+0x2e20/0x45c0 lib/nlattr.c:631\\n nla_validate_range_unsigned lib/nlattr.c:222 [inline]\\n nla_validate_int_range lib/nlattr.c:336 [inline]\\n validate_nla lib/nlattr.c:575 [inline]\\n...\\n\\nThe message in question matches this policy:\\n\\n [NFTA_TARGET_REV]       = NLA_POLICY_MAX(NLA_BE32, 255),\\n\\nbut because NLA_BE32 size in minlen array is 0, the validation\\ncode will read past the malformed (too small) attribute.\\n\\nNote: Other attributes, e.g. BITFIELD32, SINT, UINT.. are also missing:\\nthose likely should be added too.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netlink: agregue tipos nla be16/32 a la matriz minlen ERROR: KMSAN: valor uninit en nla_validate_range_unsigned lib/nlattr.c:222 [en l\u00ednea] ERROR: KMSAN: valor uninit en nla_validate_int_range lib/nlattr.c:336 [en l\u00ednea] ERROR: KMSAN: valor uninit en validar_nla lib/nlattr.c:575 [en l\u00ednea] ERROR: KMSAN: valor uninit en __nla_validate_parse+0x2e20/0x45c0 lib/nlattr.c:631 nla_validate_range_unsigned lib/nlattr.c:222 [en l\u00ednea] nla_validate_int_range lib/nlattr.c:336 [en l\u00ednea] validar_nla lib/nlattr.c:575 [en l\u00ednea] ... El mensaje en cuesti\u00f3n coincide con esta pol\u00edtica: [NFTA_TARGET_REV] = NLA_POLICY_MAX( NLA_BE32, 255), pero debido a que el tama\u00f1o de NLA_BE32 en la matriz minlen es 0, el c\u00f3digo de validaci\u00f3n leer\u00e1 m\u00e1s all\u00e1 del atributo con formato incorrecto (demasiado peque\u00f1o). Nota: Tambi\u00e9n faltan otros atributos, por ejemplo, BITFIELD32, SINT, UINT...: probablemente tambi\u00e9n deber\u00edan agregarse.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0ac219c4c3ab253f3981f346903458d20bacab32\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7a9d14c63b35f89563c5ecbadf918ad64979712d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9a0d18853c280f6a0ee99f91619f2442a17a323a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a2ab028151841cd833cb53eb99427e0cc990112d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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