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Test ID:1.3.6.1.4.1.25623.1.0.843664
Category:Ubuntu Local Security Checks
Title:Ubuntu Update for linux-azure USN-3777-3
Summary:The remote host is missing an update for the 'linux-azure'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'linux-azure'
package(s) announced via the referenced advisory.

Vulnerability Insight:
USN-3777-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04
%LTS. This update provides the corresponding updates for the
Linux kernel for Azure Cloud systems.

Jann Horn discovered that the vmacache subsystem did not properly handle
sequence number overflows, leading to a use-after-free vulnerability. A
local attacker could use this to cause a denial of service (system crash)
or execute arbitrary code. (CVE-2018-17182)

It was discovered that the paravirtualization implementation in the Linux
kernel did not properly handle some indirect calls, reducing the
effectiveness of Spectre v2 mitigations for paravirtual guests. A local
attacker could use this to expose sensitive information. (CVE-2018-15594)

It was discovered that microprocessors utilizing speculative execution and
prediction of return addresses via Return Stack Buffer (RSB) may allow
unauthorized memory reads via sidechannel attacks. An attacker could use
this to expose sensitive information. (CVE-2018-15572)

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. (CVE-2017-5715)

It was discovered that a stack-based buffer overflow existed in the iSCSI
target implementation of the Linux kernel. A remote attacker could use this
to cause a denial of service (system crash). (CVE-2018-14633)

Jann Horn and Ken Johnson discovered that microprocessors utilizing
speculative execution of a memory read may allow unauthorized memory reads
via a sidechannel attack. This flaw is known as Spectre Variant 4. A local
attacker could use this to expose sensitive information, including kernel
memory. (CVE-2018-3639)

It was discovered that a memory leak existed in the IRDA subsystem of the
Linux kernel. A local attacker could use this to cause a denial of service
(kernel memory exhaustion). (CVE-2018-6554)

It was discovered that a use-after-free vulnerability existed in the IRDA
implementation in the Linux kernel. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-6555)

Affected Software/OS:
linux-azure on Ubuntu 18.04 LTS,
Ubuntu 16.04 LTS

Solution:
Please install the updated packages.

CVSS Score:
8.3

CVSS Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2017-5715
https://www.exploit-db.com/exploits/43427/
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.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/2018/09/msg00007.html
https://lists.debian.org/debian-lts-announce/2018/09/msg00017.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/
http://packetstormsecurity.com/files/145645/Spectre-Information-Disclosure-Proof-Of-Concept.html
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-4120 (Google Search)
https://www.debian.org/security/2018/dsa-4120
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
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.gentoo.org/glsa/201810-06
RedHat Security Advisories: RHSA-2018:0292
https://access.redhat.com/errata/RHSA-2018:0292
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-2018:0010 (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: 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
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/3531-1/
https://usn.ubuntu.com/3549-1/
https://usn.ubuntu.com/3560-1/
https://usn.ubuntu.com/3561-1/
https://usn.ubuntu.com/3580-1/
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/3597-1/
https://usn.ubuntu.com/3597-2/
https://usn.ubuntu.com/3542-2/
https://usn.ubuntu.com/3540-2/
https://usn.ubuntu.com/3541-2/
https://usn.ubuntu.com/3531-3/
https://usn.ubuntu.com/3620-2/
https://usn.ubuntu.com/3690-1/
https://usn.ubuntu.com/3777-3/
CERT/CC vulnerability note: VU#584653
http://www.kb.cert.org/vuls/id/584653
CERT/CC vulnerability note: VU#180049
https://www.kb.cert.org/vuls/id/180049
BugTraq ID: 102376
http://www.securityfocus.com/bid/102376
http://www.securitytracker.com/id/1040071
Common Vulnerability Exposure (CVE) ID: CVE-2018-3639
https://www.exploit-db.com/exploits/44695/
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
https://lists.debian.org/debian-lts-announce/2018/07/msg00038.html
https://bugs.chromium.org/p/project-zero/issues/detail?id=1528
Cisco Security Advisory: 20180522 CPU Side-Channel Information Disclosure Vulnerabilities: May 2018
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180521-cpusidechannel
Debian Security Information: DSA-4210 (Google Search)
https://www.debian.org/security/2018/dsa-4210
Debian Security Information: DSA-4273 (Google Search)
https://www.debian.org/security/2018/dsa-4273
RedHat Security Advisories: RHSA-2018:1630
https://access.redhat.com/errata/RHSA-2018:1630
RedHat Security Advisories: RHSA-2018:1647
https://access.redhat.com/errata/RHSA-2018:1647
RedHat Security Advisories: RHSA-2018:1655
https://access.redhat.com/errata/RHSA-2018:1655
RedHat Security Advisories: RHSA-2018:1660
https://access.redhat.com/errata/RHSA-2018:1660
RedHat Security Advisories: RHSA-2018:1629
https://access.redhat.com/errata/RHSA-2018:1629
RedHat Security Advisories: RHSA-2018:1632
https://access.redhat.com/errata/RHSA-2018:1632
RedHat Security Advisories: RHSA-2018:1633
https://access.redhat.com/errata/RHSA-2018:1633
RedHat Security Advisories: RHSA-2018:1635
https://access.redhat.com/errata/RHSA-2018:1635
RedHat Security Advisories: RHSA-2018:1636
https://access.redhat.com/errata/RHSA-2018:1636
RedHat Security Advisories: RHSA-2018:1642
https://access.redhat.com/errata/RHSA-2018:1642
RedHat Security Advisories: RHSA-2018:1643
https://access.redhat.com/errata/RHSA-2018:1643
RedHat Security Advisories: RHSA-2018:1644
https://access.redhat.com/errata/RHSA-2018:1644
RedHat Security Advisories: RHSA-2018:1645
https://access.redhat.com/errata/RHSA-2018:1645
RedHat Security Advisories: RHSA-2018:1646
https://access.redhat.com/errata/RHSA-2018:1646
RedHat Security Advisories: RHSA-2018:1648
https://access.redhat.com/errata/RHSA-2018:1648
RedHat Security Advisories: RHSA-2018:1649
https://access.redhat.com/errata/RHSA-2018:1649
RedHat Security Advisories: RHSA-2018:1650
https://access.redhat.com/errata/RHSA-2018:1650
RedHat Security Advisories: RHSA-2018:1651
https://access.redhat.com/errata/RHSA-2018:1651
RedHat Security Advisories: RHSA-2018:1652
https://access.redhat.com/errata/RHSA-2018:1652
RedHat Security Advisories: RHSA-2018:1653
https://access.redhat.com/errata/RHSA-2018:1653
RedHat Security Advisories: RHSA-2018:1654
https://access.redhat.com/errata/RHSA-2018:1654
RedHat Security Advisories: RHSA-2018:1656
https://access.redhat.com/errata/RHSA-2018:1656
RedHat Security Advisories: RHSA-2018:1657
https://access.redhat.com/errata/RHSA-2018:1657
RedHat Security Advisories: RHSA-2018:1658
https://access.redhat.com/errata/RHSA-2018:1658
RedHat Security Advisories: RHSA-2018:1659
https://access.redhat.com/errata/RHSA-2018:1659
RedHat Security Advisories: RHSA-2018:1661
https://access.redhat.com/errata/RHSA-2018:1661
RedHat Security Advisories: RHSA-2018:1662
https://access.redhat.com/errata/RHSA-2018:1662
RedHat Security Advisories: RHSA-2018:1663
https://access.redhat.com/errata/RHSA-2018:1663
RedHat Security Advisories: RHSA-2018:1664
https://access.redhat.com/errata/RHSA-2018:1664
RedHat Security Advisories: RHSA-2018:1665
https://access.redhat.com/errata/RHSA-2018:1665
RedHat Security Advisories: RHSA-2018:1666
https://access.redhat.com/errata/RHSA-2018:1666
RedHat Security Advisories: RHSA-2018:1667
https://access.redhat.com/errata/RHSA-2018:1667
RedHat Security Advisories: RHSA-2018:1668
https://access.redhat.com/errata/RHSA-2018:1668
RedHat Security Advisories: RHSA-2018:1669
https://access.redhat.com/errata/RHSA-2018:1669
RedHat Security Advisories: RHSA-2018:1674
https://access.redhat.com/errata/RHSA-2018:1674
RedHat Security Advisories: RHSA-2018:1675
https://access.redhat.com/errata/RHSA-2018:1675
RedHat Security Advisories: RHSA-2018:1676
https://access.redhat.com/errata/RHSA-2018:1676
RedHat Security Advisories: RHSA-2018:1686
https://access.redhat.com/errata/RHSA-2018:1686
RedHat Security Advisories: RHSA-2018:1688
https://access.redhat.com/errata/RHSA-2018:1688
RedHat Security Advisories: RHSA-2018:1689
https://access.redhat.com/errata/RHSA-2018:1689
RedHat Security Advisories: RHSA-2018:1690
https://access.redhat.com/errata/RHSA-2018:1690
RedHat Security Advisories: RHSA-2018:1696
https://access.redhat.com/errata/RHSA-2018:1696
RedHat Security Advisories: RHSA-2018:1710
https://access.redhat.com/errata/RHSA-2018:1710
RedHat Security Advisories: RHSA-2018:1711
https://access.redhat.com/errata/RHSA-2018:1711
RedHat Security Advisories: RHSA-2018:1637
https://access.redhat.com/errata/RHSA-2018:1637
RedHat Security Advisories: RHSA-2018:1638
https://access.redhat.com/errata/RHSA-2018:1638
RedHat Security Advisories: RHSA-2018:1639
https://access.redhat.com/errata/RHSA-2018:1639
RedHat Security Advisories: RHSA-2018:1640
https://access.redhat.com/errata/RHSA-2018:1640
RedHat Security Advisories: RHSA-2018:1641
https://access.redhat.com/errata/RHSA-2018:1641
RedHat Security Advisories: RHSA-2018:1737
https://access.redhat.com/errata/RHSA-2018:1737
RedHat Security Advisories: RHSA-2018:1738
https://access.redhat.com/errata/RHSA-2018:1738
RedHat Security Advisories: RHSA-2018:1826
https://access.redhat.com/errata/RHSA-2018:1826
RedHat Security Advisories: RHSA-2018:1854
https://access.redhat.com/errata/RHSA-2018:1854
RedHat Security Advisories: RHSA-2018:1965
https://access.redhat.com/errata/RHSA-2018:1965
RedHat Security Advisories: RHSA-2018:1967
https://access.redhat.com/errata/RHSA-2018:1967
RedHat Security Advisories: RHSA-2018:1997
https://access.redhat.com/errata/RHSA-2018:1997
RedHat Security Advisories: RHSA-2018:2001
https://access.redhat.com/errata/RHSA-2018:2001
RedHat Security Advisories: RHSA-2018:2003
https://access.redhat.com/errata/RHSA-2018:2003
RedHat Security Advisories: RHSA-2018:2006
https://access.redhat.com/errata/RHSA-2018:2006
RedHat Security Advisories: RHSA-2018:2060
https://access.redhat.com/errata/RHSA-2018:2060
RedHat Security Advisories: RHSA-2018:2161
https://access.redhat.com/errata/RHSA-2018:2161
RedHat Security Advisories: RHSA-2018:2162
https://access.redhat.com/errata/RHSA-2018:2162
RedHat Security Advisories: RHSA-2018:2164
https://access.redhat.com/errata/RHSA-2018:2164
RedHat Security Advisories: RHSA-2018:2171
https://access.redhat.com/errata/RHSA-2018:2171
RedHat Security Advisories: RHSA-2018:2172
https://access.redhat.com/errata/RHSA-2018:2172
RedHat Security Advisories: RHSA-2018:2216
https://access.redhat.com/errata/RHSA-2018:2216
RedHat Security Advisories: RHSA-2018:2228
https://access.redhat.com/errata/RHSA-2018:2228
RedHat Security Advisories: RHSA-2018:2246
https://access.redhat.com/errata/RHSA-2018:2246
RedHat Security Advisories: RHSA-2018:2250
https://access.redhat.com/errata/RHSA-2018:2250
RedHat Security Advisories: RHSA-2018:2258
https://access.redhat.com/errata/RHSA-2018:2258
RedHat Security Advisories: RHSA-2018:2289
https://access.redhat.com/errata/RHSA-2018:2289
RedHat Security Advisories: RHSA-2018:2309
https://access.redhat.com/errata/RHSA-2018:2309
RedHat Security Advisories: RHSA-2018:2328
https://access.redhat.com/errata/RHSA-2018:2328
RedHat Security Advisories: RHSA-2018:2363
https://access.redhat.com/errata/RHSA-2018:2363
RedHat Security Advisories: RHSA-2018:2364
https://access.redhat.com/errata/RHSA-2018:2364
RedHat Security Advisories: RHSA-2018:2387
https://access.redhat.com/errata/RHSA-2018:2387
RedHat Security Advisories: RHSA-2018:2394
https://access.redhat.com/errata/RHSA-2018:2394
RedHat Security Advisories: RHSA-2018:2396
https://access.redhat.com/errata/RHSA-2018:2396
RedHat Security Advisories: RHSA-2018:2948
https://access.redhat.com/errata/RHSA-2018:2948
RedHat Security Advisories: RHSA-2018:3396
https://access.redhat.com/errata/RHSA-2018:3396
RedHat Security Advisories: RHSA-2018:3397
https://access.redhat.com/errata/RHSA-2018:3397
RedHat Security Advisories: RHSA-2018:3398
https://access.redhat.com/errata/RHSA-2018:3398
RedHat Security Advisories: RHSA-2018:3399
https://access.redhat.com/errata/RHSA-2018:3399
RedHat Security Advisories: RHSA-2018:3400
https://access.redhat.com/errata/RHSA-2018:3400
RedHat Security Advisories: RHSA-2018:3401
https://access.redhat.com/errata/RHSA-2018:3401
RedHat Security Advisories: RHSA-2018:3402
https://access.redhat.com/errata/RHSA-2018:3402
RedHat Security Advisories: RHSA-2018:3407
https://access.redhat.com/errata/RHSA-2018:3407
RedHat Security Advisories: RHSA-2018:3423
https://access.redhat.com/errata/RHSA-2018:3423
RedHat Security Advisories: RHSA-2018:3424
https://access.redhat.com/errata/RHSA-2018:3424
RedHat Security Advisories: RHSA-2018:3425
https://access.redhat.com/errata/RHSA-2018:3425
https://usn.ubuntu.com/3651-1/
https://usn.ubuntu.com/3652-1/
https://usn.ubuntu.com/3653-1/
https://usn.ubuntu.com/3653-2/
https://usn.ubuntu.com/3654-1/
https://usn.ubuntu.com/3654-2/
https://usn.ubuntu.com/3655-2/
https://usn.ubuntu.com/3655-1/
https://usn.ubuntu.com/3679-1/
https://usn.ubuntu.com/3680-1/
https://usn.ubuntu.com/3756-1/
Cert/CC Advisory: TA18-141A
https://www.us-cert.gov/ncas/alerts/TA18-141A
BugTraq ID: 104232
http://www.securityfocus.com/bid/104232
http://www.securitytracker.com/id/1040949
http://www.securitytracker.com/id/1042004
Common Vulnerability Exposure (CVE) ID: CVE-2018-6554
https://www.spinics.net/lists/stable/msg255030.html
https://www.spinics.net/lists/stable/msg255034.html
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
Debian Security Information: DSA-4308 (Google Search)
https://www.debian.org/security/2018/dsa-4308
https://usn.ubuntu.com/3775-2/
https://usn.ubuntu.com/3776-1/
https://usn.ubuntu.com/3776-2/
https://usn.ubuntu.com/3777-1/
https://usn.ubuntu.com/3777-2/
https://usn.ubuntu.com/3775-1/
BugTraq ID: 105302
http://www.securityfocus.com/bid/105302
Common Vulnerability Exposure (CVE) ID: CVE-2018-6555
https://www.spinics.net/lists/stable/msg255031.html
https://www.spinics.net/lists/stable/msg255035.html
BugTraq ID: 105304
http://www.securityfocus.com/bid/105304
CopyrightCopyright (C) 2018 Greenbone Networks GmbH

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