CVE-2018-16884

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NFS41+ shares mounted in different network namespaces at the same time can make bc_svc_process() use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out."}, {"lang": "es", "value": "Se ha encontrado un error en el subsistema de archivos NFS41+ del kernel de Linux. Las comparticiones de NFS41+ montadas en diferentes espacios de nombre al mismo tiempo pueden hacer que bc_svc_process() emplee el ID de canal trasero err\u00f3neo y provoque una vulnerabilidad de uso de memoria previamente liberada. As\u00ed, un usuario contenedor malicioso puede provocar la corrupci\u00f3n de la memoria host del kernel y un p\u00e1nico del sistema. Debido a la naturaleza del error, no se puede descartar totalmente un escalado de privilegios."}], "lastModified": "2023-08-11T19:12:44.330", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF7B0E80-3E3F-4B73-AC57-4D6989EF9805", "versionEndExcluding": "3.16.65", "versionStartIncluding": "3.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AA41D1F8-EFFE-4EC9-B0AE-C5FFE82B6F74", "versionEndExcluding": "3.18.133", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "03F2AFB8-B8E8-496E-8107-FACE504D851D", "versionEndExcluding": "4.4.171", "versionStartIncluding": "3.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C6FA30C2-06D9-4FC0-A64A-4D30FBF34810", "versionEndExcluding": "4.9.151", "versionStartIncluding": "4.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2AF1D6FF-6D18-4CEB-B3A5-21FCF8A36055", "versionEndExcluding": "4.14.94", "versionStartIncluding": "4.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CD130255-0E04-4A26-94E8-CF4C39A962B1", "versionEndExcluding": "4.19.16", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB066CC3-3C28-424B-A71C-352F4947F7FB", "versionEndExcluding": "4.20.3", "versionStartIncluding": "4.20"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C60FA8B1-1802-4522-A088-22171DCF7A93"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}