- Vulnerability/
- USN-3984-1
USN-3984-1: Linux kernel vulnerabilities
First published: Wed May 15 2019(Updated: )
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)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/linux-image-powerpc-smp | <3.2.0.140.155 | 3.2.0.140.155 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-powerpc | <3.2.0.140.155 | 3.2.0.140.155 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-3.2.0-140-generic | <3.2.0-140.186 | 3.2.0-140.186 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-generic | <3.2.0.140.155 | 3.2.0.140.155 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-3.2.0-140-highbank | <3.2.0-140.186 | 3.2.0-140.186 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-generic-pae | <3.2.0.140.155 | 3.2.0.140.155 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-highbank | <3.2.0.140.155 | 3.2.0.140.155 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-3.2.0-140-powerpc64-smp | <3.2.0-140.186 | 3.2.0-140.186 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-virtual | <3.2.0.140.155 | 3.2.0.140.155 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-powerpc64-smp | <3.2.0.140.155 | 3.2.0.140.155 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-3.2.0-140-omap | <3.2.0-140.186 | 3.2.0-140.186 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-3.2.0-140-powerpc-smp | <3.2.0-140.186 | 3.2.0-140.186 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-3.2.0-140-generic-pae | <3.2.0-140.186 | 3.2.0-140.186 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-omap | <3.2.0.140.155 | 3.2.0.140.155 |
| Ubuntu OpenSSH Client | =12.04 | |
| All of | ||
| ubuntu/linux-image-3.2.0-140-virtual | <3.2.0-140.186 | 3.2.0-140.186 |
| Ubuntu OpenSSH Client | =12.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2018-12126
- https://ubuntu.com/security/CVE-2018-12127
- https://ubuntu.com/security/CVE-2018-12130
- https://ubuntu.com/security/CVE-2019-11091
- https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/MDS
- https://ubuntu.com/security/notices/USN-3982-1
- https://ubuntu.com/security/notices/USN-3983-2
- https://ubuntu.com/security/notices/USN-3978-1
- https://ubuntu.com/security/notices/USN-3980-1
- https://ubuntu.com/security/notices/USN-3982-2
- https://ubuntu.com/security/notices/USN-3981-1
- https://ubuntu.com/security/notices/USN-3981-2
- https://ubuntu.com/security/notices/USN-3977-3
- https://ubuntu.com/security/notices/USN-3977-1
- https://ubuntu.com/security/notices/USN-3977-2
- https://ubuntu.com/security/notices/USN-3979-1
- https://ubuntu.com/security/notices/USN-3980-2
- https://ubuntu.com/security/notices/USN-3985-2
- https://ubuntu.com/security/notices/USN-3985-1
- https://ubuntu.com/security/notices/USN-3983-1
- https://launchpad.net/ubuntu/+source/linux/3.2.0-140.186
- https://ubuntu.com/security/notices/USN-3984-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the severity of USN-3984-1?
Critical
How do I fix USN-3984-1?
Update to the latest version of Linux kernel.
Which versions of Ubuntu are affected by USN-3984-1?
Ubuntu 12.04
What are the CVE IDs associated with USN-3984-1?
CVE-2018-12126, CVE-2018-12127, and CVE-2018-12130
Where can I find more information about USN-3984-1?
You can find more information about USN-3984-1 on the Ubuntu security website.
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