{ "id": "CVE-2010-4258", "sourceIdentifier": "secalert@redhat.com", "published": "2010-12-30T19:00:04.410", "lastModified": "2023-02-13T04:28:31.160", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "The do_exit function in kernel/exit.c in the Linux kernel before 2.6.36.2 does not properly handle a KERNEL_DS get_fs value, which allows local users to bypass intended access_ok restrictions, overwrite arbitrary kernel memory locations, and gain privileges by leveraging a (1) BUG, (2) NULL pointer dereference, or (3) page fault, as demonstrated by vectors involving the clear_child_tid feature and the splice system call." }, { "lang": "es", "value": "La funci\u00f3n do_exit en kernel/exit.c en el kernel de Linux anteriores a v2.6.36.2 no gestiona de forma adecuada el KERNEL_DS y el valor get_fs, lo que permite a usuarios locales saltarse las restricciones access_ok, sobrescribiendo posiciones de memoria del kernel, y obtener privilegios mediante el aprovechamiento de un (1) ERROR, (2) desreferencia a un puntero NULL, o (3) error de p\u00e1gina, como lo demuestr\u00f3 por vectores que implican la caracter\u00edstica clear_child_tid en las llamadas al sistema de uni\u00f3n." } ], "metrics": { "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "HIGH", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 6.2 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 1.9, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": true, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-269" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, 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"http://archives.neohapsis.com/archives/fulldisclosure/2010-12/0086.html", "source": "secalert@redhat.com", "tags": [ "Broken Link" ] }, { "url": "http://blog.nelhage.com/2010/12/cve-2010-4258-from-dos-to-privesc/", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://code.google.com/p/chromium-os/issues/detail?id=10234", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=33dd94ae1ccbfb7bf0fb6c692bc3d1c4269e6177", "source": "secalert@redhat.com" }, { "url": "http://googlechromereleases.blogspot.com/2011/01/chrome-os-beta-channel-update.html", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00007.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://marc.info/?l=linux-kernel&m=129117048916957&w=2", "source": "secalert@redhat.com", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "http://openwall.com/lists/oss-security/2010/12/02/2", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://openwall.com/lists/oss-security/2010/12/02/3", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://openwall.com/lists/oss-security/2010/12/02/4", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://openwall.com/lists/oss-security/2010/12/02/7", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://openwall.com/lists/oss-security/2010/12/08/4", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://openwall.com/lists/oss-security/2010/12/08/5", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://openwall.com/lists/oss-security/2010/12/08/9", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://openwall.com/lists/oss-security/2010/12/09/14", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://openwall.com/lists/oss-security/2010/12/09/4", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://secunia.com/advisories/42745", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://secunia.com/advisories/42778", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://secunia.com/advisories/42801", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://secunia.com/advisories/42932", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://secunia.com/advisories/43056", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://secunia.com/advisories/43291", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2", "source": "secalert@redhat.com", "tags": [ "Broken Link" ] }, { "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:029", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.vupen.com/english/advisories/2010/3321", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.vupen.com/english/advisories/2011/0012", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.vupen.com/english/advisories/2011/0124", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.vupen.com/english/advisories/2011/0213", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.vupen.com/english/advisories/2011/0298", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.vupen.com/english/advisories/2011/0375", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=659567", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://lkml.org/lkml/2010/12/1/543", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] } ] }