CVE-2015-8215

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NOTE: the scope of CVE-2015-0272 is limited to the NetworkManager product."}, {"lang": "es", "value": "net/ipv6/addrconf.c en la pila IPv6 en el kernel Linux en versiones anteriores a 4.0 no valida los intentos de cambio del valor MTU, lo que permite a atacantes dependientes del contexto causar una denegaci\u00f3n de servicio (p\u00e9rdida de paquetes) a trav\u00e9s de un valor que es (1) menor que el valor m\u00ednimo compatible o (2) m\u00e1s grande que la MTU de una interfaz, seg\u00fan lo demostrado por un mensaje Router Advertisement (RA) que no es validado por un demonio, una vulnerabilidad diferente a CVE-2015-0272. NOTA: el alcance de CVE-2015-0272 se limita al producto NetworkManager."}], "id": "CVE-2015-8215", "lastModified": "2026-06-17T00:34:07.723", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-11-16T21:59:01.607", "references": [{"source": "security@ubuntu.com", "tags": ["Vendor Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=77751427a1ff25b27d47a4c36b12c3c8667855ac"}, {"source": "security@ubuntu.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html"}, {"source": "security@ubuntu.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html"}, {"source": "security@ubuntu.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html"}, {"source": "security@ubuntu.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html"}, {"source": "security@ubuntu.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html"}, {"source": "security@ubuntu.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html"}, {"source": "security@ubuntu.com", "url": "http://rhn.redhat.com/errata/RHSA-2016-0855.html"}, {"source": "security@ubuntu.com", "url": "http://www.debian.org/security/2015/dsa-3364"}, {"source": "security@ubuntu.com", "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"}, {"source": "security@ubuntu.com", "url": "http://www.securityfocus.com/bid/85274"}, {"source": "security@ubuntu.com", "url": "https://bugs.launchpad.net/bugs/1500810"}, {"source": "security@ubuntu.com", "url": "https://bugzilla.novell.com/show_bug.cgi?id=944296"}, {"source": "security@ubuntu.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1192132"}, {"source": "security@ubuntu.com", "tags": ["Vendor Advisory"], "url": "https://github.com/torvalds/linux/commit/77751427a1ff25b27d47a4c36b12c3c8667855ac"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=77751427a1ff25b27d47a4c36b12c3c8667855ac"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2016-0855.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2015/dsa-3364"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/85274"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugs.launchpad.net/bugs/1500810"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.novell.com/show_bug.cgi?id=944296"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1192132"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/torvalds/linux/commit/77751427a1ff25b27d47a4c36b12c3c8667855ac"}], "sourceIdentifier": "security@ubuntu.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2016:0855", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-642.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-05-10T00:00:00Z"}, {"advisory": "RHSA-2015:2152", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-327.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-11-19T00:00:00Z"}], "bugzilla": {"description": "kernel: MTU value is not validated in IPv6 stack causing packet loss", "id": "1283253", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1283253"}, "csaw": false, "cvss": {"cvss_base_score": "5.0", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-20", "details": ["net/ipv6/addrconf.c in the IPv6 stack in the Linux kernel before 4.0 does not validate attempted changes to the MTU value, which allows context-dependent attackers to cause a denial of service (packet loss) via a value that is (1) smaller than the minimum compliant value or (2) larger than the MTU of an interface, as demonstrated by a Router Advertisement (RA) message that is not validated by a daemon, a different vulnerability than CVE-2015-0272. NOTE: the scope of CVE-2015-0272 is limited to the NetworkManager product.", "It was found that the Linux kernel's IPv6 network stack did not properly validate the value of the MTU variable when it was set. A remote attacker could potentially use this flaw to disrupt a target system's networking (packet loss) by setting an invalid MTU value, for example, via a NetworkManager daemon that is processing router advertisement packets running on the target system."], "name": "CVE-2015-8215", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2015-02-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-8215\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-8215"], "statement": "This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and MRG-2 as this flaw was fixed in the recent releases.\nThis issue affects the Linux kernel packages as shipped with Red Hat Enterprise\nLinux 6. Future updates for the respective releases may address the issue.\nThis issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates of Red Hat Enterprise Linux 5. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.", "threat_severity": "Moderate"}

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