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Test ID:1.3.6.1.4.1.25623.1.0.843424
Category:Ubuntu Local Security Checks
Title:Ubuntu Update for linux USN-3541-1
Summary:The remote host is missing an update for the 'linux'; package(s) announced via the referenced advisory.
Description: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

Cross-Ref: 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/
CopyrightCopyright (C) 2018 Greenbone Networks GmbH

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