ID de Prueba:	1.3.6.1.4.1.25623.1.0.843424
Categoría:	Ubuntu Local Security Checks
Título:	Ubuntu Update for linux USN-3541-1
Resumen:	The remote host is missing an update for the 'linux'; package(s) announced via the referenced advisory.
Descripción:	Summary: The remote host is missing an update for the 'linux' package(s) announced via the referenced advisory. Vulnerability Insight: Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provides mitigations for the i386 (CVE-2017-5753 only), amd64, ppc64el, and s390x architectures. (CVE-2017-5715, CVE-2017-5753) USN-3523-1 mitigated CVE-2017-5754 (Meltdown) for the amd64 architecture in Ubuntu 17.10. This update provides the corresponding mitigations for the ppc64el architecture. Original advisory details: Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory. (CVE-2017-5754) Affected Software/OS: linux on Ubuntu 17.10 Solution: Please Install the Updated Packages. CVSS Score: 4.7 CVSS Vector: AV:L/AC:M/Au:N/C:C/I:N/A:N
Referencia Cruzada:	Common Vulnerability Exposure (CVE) ID: CVE-2017-5753 BugTraq ID: 102371 http://www.securityfocus.com/bid/102371 Bugtraq: 20190624 [SECURITY] [DSA 4469-1] libvirt security update (Google Search) https://seclists.org/bugtraq/2019/Jun/36 CERT/CC vulnerability note: VU#180049 https://www.kb.cert.org/vuls/id/180049 CERT/CC vulnerability note: VU#584653 http://www.kb.cert.org/vuls/id/584653 Cisco Security Advisory: 20180104 CPU Side-Channel Information Disclosure Vulnerabilities https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180104-cpusidechannel Debian Security Information: DSA-4187 (Google Search) https://www.debian.org/security/2018/dsa-4187 Debian Security Information: DSA-4188 (Google Search) https://www.debian.org/security/2018/dsa-4188 https://www.exploit-db.com/exploits/43427/ https://security.gentoo.org/glsa/201810-06 http://packetstormsecurity.com/files/145645/Spectre-Information-Disclosure-Proof-Of-Concept.html https://googleprojectzero.blogspot.com/2018/01/reading-privileged-memory-with-side.html https://security.googleblog.com/2018/01/todays-cpu-vulnerability-what-you-need.html https://spectreattack.com/ https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html RedHat Security Advisories: RHSA-2018:0292 https://access.redhat.com/errata/RHSA-2018:0292 http://www.securitytracker.com/id/1040071 SuSE Security Announcement: SUSE-SU-2018:0010 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00006.html SuSE Security Announcement: SUSE-SU-2018:0011 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html SuSE Security Announcement: SUSE-SU-2018:0012 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00008.html SuSE Security Announcement: openSUSE-SU-2018:0022 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00014.html SuSE Security Announcement: openSUSE-SU-2018:0023 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00016.html https://usn.ubuntu.com/usn/usn-3516-1/ https://usn.ubuntu.com/3540-1/ https://usn.ubuntu.com/3540-2/ https://usn.ubuntu.com/3541-1/ https://usn.ubuntu.com/3541-2/ https://usn.ubuntu.com/3542-1/ https://usn.ubuntu.com/3542-2/ https://usn.ubuntu.com/3549-1/ https://usn.ubuntu.com/3580-1/ https://usn.ubuntu.com/3597-1/ https://usn.ubuntu.com/3597-2/ Common Vulnerability Exposure (CVE) ID: CVE-2017-5715 BugTraq ID: 102376 http://www.securityfocus.com/bid/102376 Bugtraq: 20191112 FreeBSD Security Advisory FreeBSD-SA-19:26.mcu (Google Search) https://seclists.org/bugtraq/2019/Nov/16 Debian Security Information: DSA-4120 (Google Search) https://www.debian.org/security/2018/dsa-4120 Debian Security Information: DSA-4213 (Google Search) https://www.debian.org/security/2018/dsa-4213 FreeBSD Security Advisory: FreeBSD-SA-18:03 https://security.FreeBSD.org/advisories/FreeBSD-SA-18:03.speculative_execution.asc https://security.FreeBSD.org/advisories/FreeBSD-SA-19:26.mcu.asc http://packetstormsecurity.com/files/155281/FreeBSD-Security-Advisory-FreeBSD-SA-19-26.mcu.html https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html https://lists.debian.org/debian-lts-announce/2018/09/msg00017.html https://lists.debian.org/debian-lts-announce/2020/03/msg00025.html https://lists.debian.org/debian-lts-announce/2021/08/msg00019.html SuSE Security Announcement: SUSE-SU-2018:0006 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00002.html SuSE Security Announcement: SUSE-SU-2018:0007 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00003.html SuSE Security Announcement: SUSE-SU-2018:0008 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00004.html SuSE Security Announcement: SUSE-SU-2018:0009 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00005.html SuSE Security Announcement: SUSE-SU-2018:0019 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00012.html SuSE Security Announcement: SUSE-SU-2018:0020 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00013.html SuSE Security Announcement: openSUSE-SU-2018:0013 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00009.html https://usn.ubuntu.com/3531-1/ https://usn.ubuntu.com/3531-3/ https://usn.ubuntu.com/3560-1/ https://usn.ubuntu.com/3561-1/ https://usn.ubuntu.com/3581-1/ https://usn.ubuntu.com/3581-2/ https://usn.ubuntu.com/3582-1/ https://usn.ubuntu.com/3582-2/ https://usn.ubuntu.com/3594-1/ https://usn.ubuntu.com/3620-2/ https://usn.ubuntu.com/3690-1/ https://usn.ubuntu.com/3777-3/ Common Vulnerability Exposure (CVE) ID: CVE-2017-5754 BugTraq ID: 102378 http://www.securityfocus.com/bid/102378 BugTraq ID: 106128 http://www.securityfocus.com/bid/106128 Debian Security Information: DSA-4078 (Google Search) https://www.debian.org/security/2018/dsa-4078 Debian Security Information: DSA-4082 (Google Search) https://www.debian.org/security/2018/dsa-4082 https://meltdownattack.com/ https://www.oracle.com/security-alerts/cpuapr2020.html https://lists.debian.org/debian-lts-announce/2018/01/msg00004.html https://usn.ubuntu.com/usn/usn-3522-2/ https://usn.ubuntu.com/3522-3/ https://usn.ubuntu.com/3522-4/ https://usn.ubuntu.com/3523-1/ https://usn.ubuntu.com/usn/usn-3523-2/ https://usn.ubuntu.com/usn/usn-3524-2/ https://usn.ubuntu.com/usn/usn-3525-1/ https://usn.ubuntu.com/3583-1/
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