| Description: | Summary:
The remote host is missing an update for the 'linux-hwe' package(s) announced via the USN-3597-2 advisory.
Vulnerability Insight:
USN-3597-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS.
USNS 3541-2 and 3523-2 provided mitigations for Spectre and Meltdown
(CVE-2017-5715, CVE-2017-5753, CVE-2017-5754) for the i386, amd64,
and ppc64el architectures for Ubuntu 16.04 LTS. This update provides
the corresponding mitigations for the arm64 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)
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,
CVE-2017-5753)
Affected Software/OS:
'linux-hwe' package(s) on Ubuntu 16.04.
Solution:
Please install the updated package(s).
CVSS Score:
4.7
CVSS Vector:
AV:L/AC:M/Au:N/C:C/I:N/A:N
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