cve-2024-26849
Vulnerability from cvelistv5
Published
2024-04-17 10:14
Modified
2024-08-02 00:14
Severity
Summary
netlink: add nla be16/32 types to minlen array
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0ac219c4c3ab253f3981f346903458d20bacab32
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7a9d14c63b35f89563c5ecbadf918ad64979712d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9a0d18853c280f6a0ee99f91619f2442a17a323a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a2ab028151841cd833cb53eb99427e0cc990112d
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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    "dateReserved": "2024-02-19T14:20:24.182Z",
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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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