mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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121 lines
3.7 KiB
JSON
121 lines
3.7 KiB
JSON
{
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"id": "CVE-2021-46283",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2022-01-11T22:15:07.683",
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"lastModified": "2022-01-20T13:30:57.217",
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"vulnStatus": "Analyzed",
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"descriptions": [
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{
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"lang": "en",
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"value": "nf_tables_newset in net/netfilter/nf_tables_api.c in the Linux kernel before 5.12.13 allows local users to cause a denial of service (NULL pointer dereference and general protection fault) because of the missing initialization for nft_set_elem_expr_alloc. A local user can set a netfilter table expression in their own namespace."
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},
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{
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"lang": "es",
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"value": "La funci\u00f3n nf_tables_newset en el archivo net/netfilter/nf_tables_api.c en el kernel de Linux versiones anteriores a 5.12.13, permite a usuarios locales causar una denegaci\u00f3n de servicio (desreferencia de puntero NULL y fallo de protecci\u00f3n general) debido a una falta de inicializaci\u00f3n de la funci\u00f3n nft_set_elem_expr_alloc. Un usuario local puede establecer una expresi\u00f3n de la tabla netfilter en su propio espacio de nombres"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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}
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],
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"cvssMetricV2": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "2.0",
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"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
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"accessVector": "LOCAL",
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"accessComplexity": "LOW",
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"authentication": "NONE",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "COMPLETE",
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"baseScore": 4.9
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 3.9,
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"impactScore": 6.9,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
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"obtainOtherPrivilege": false,
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"userInteractionRequired": false
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-665"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "5.12.13",
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"matchCriteriaId": "4C096241-6457-4DB4-80C3-DD650F628184"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13",
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"source": "cve@mitre.org",
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"tags": [
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"Release Notes",
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"Vendor Advisory"
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]
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},
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{
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"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ad9f151e560b016b6ad3280b48e42fa11e1a5440",
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"source": "cve@mitre.org",
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"tags": [
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"Patch",
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"Vendor Advisory"
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]
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},
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{
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"url": "https://syzkaller.appspot.com/bug?id=22c3987f75a7b90e238a26b5a5920525c2d1f345",
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"source": "cve@mitre.org",
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"tags": [
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"Third Party Advisory"
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]
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}
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]
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} |