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[USN-3983-2] Linux kernel (Trusty HWE) vulnerabilities

Severity Medium
Affected Packages 5
CVEs 4
Info Packages Vulnerabilities

Several security issues were fixed in the Linux kernel.

USN-3983-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for Ubuntu
12.04 LTS.

Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan
Horea Lutas, Andrei Lutas, Volodymyr Pikhur, Stephan van Schaik, Alyssa
Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos,
Cristiano Giuffrida, Moritz Lipp, Michael Schwarz, and Daniel Gruss
discovered that memory previously stored in microarchitectural fill buffers
of an Intel CPU core may be exposed to a malicious process that is
executing on the same CPU core. A local attacker could use this to expose
sensitive information. (CVE-2018-12130)

Brandon Falk, Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Stephan
van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh
Razavi, Herbert Bos, and Cristiano Giuffrida discovered that memory
previously stored in microarchitectural load ports of an Intel CPU core may
be exposed to a malicious process that is executing on the same CPU core. A
local attacker could use this to expose sensitive information.
(CVE-2018-12127)

Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Marina Minkin, Daniel
Moghimi, Moritz Lipp, Michael Schwarz, Jo Van Bulck, Daniel Genkin, Daniel
Gruss, Berk Sunar, Frank Piessens, and Yuval Yarom discovered that memory
previously stored in microarchitectural store buffers of an Intel CPU core
may be exposed to a malicious process that is executing on the same CPU
core. A local attacker could use this to expose sensitive information.
(CVE-2018-12126)

Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Volodrmyr Pikhur,
Moritz Lipp, Michael Schwarz, Daniel Gruss, Stephan van Schaik, Alyssa
Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, and
Cristiano Giuffrida discovered that uncacheable memory previously stored in
microarchitectural buffers of an Intel CPU core may be exposed to a
malicious process that is executing on the same CPU core. A local attacker
could use this to expose sensitive information. (CVE-2019-11091)

Package Affected Version
pkg:deb/ubuntu/linux-image-generic-lts-trusty?distro=precise < 3.13.0.170.158
pkg:deb/ubuntu/linux-image-generic-lpae-lts-trusty?distro=precise < 3.13.0.170.158
pkg:deb/ubuntu/linux-image-3.13.0-170-lowlatency?distro=precise < 3.13.0-170.220~12.04.2+signed1
pkg:deb/ubuntu/linux-image-3.13.0-170-generic?distro=precise < 3.13.0-170.220~12.04.2+signed1
pkg:deb/ubuntu/linux-image-3.13.0-170-generic-lpae?distro=precise < 3.13.0-170.220~12.04.2
ID
USN-3983-2
Severity
medium
Severity from
CVE-2018-12126
URL
https://ubuntu.com/security/notices/USN-3983-2
Published
2019-05-15T04:18:44
(5 years ago)
Modified
2019-05-15T04:18:44
(5 years ago)
Other Advisories
Type Package URL Namespace Name / Product Version Distribution / Platform Arch Patch / Fix
Affected pkg:deb/ubuntu/linux-image-generic-lts-trusty?distro=precise ubuntu linux-image-generic-lts-trusty < 3.13.0.170.158 precise
Affected pkg:deb/ubuntu/linux-image-generic-lpae-lts-trusty?distro=precise ubuntu linux-image-generic-lpae-lts-trusty < 3.13.0.170.158 precise
Affected pkg:deb/ubuntu/linux-image-3.13.0-170-lowlatency?distro=precise ubuntu linux-image-3.13.0-170-lowlatency < 3.13.0-170.220~12.04.2+signed1 precise
Affected pkg:deb/ubuntu/linux-image-3.13.0-170-generic?distro=precise ubuntu linux-image-3.13.0-170-generic < 3.13.0-170.220~12.04.2+signed1 precise
Affected pkg:deb/ubuntu/linux-image-3.13.0-170-generic-lpae?distro=precise ubuntu linux-image-3.13.0-170-generic-lpae < 3.13.0-170.220~12.04.2 precise
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date