USN-3106-1: Linux kernel vulnerability
First published: Thu Oct 20 2016(Updated: )
It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/linux-image-4.4.0-45-generic | <4.4.0-45.66 | 4.4.0-45.66 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.04 | |
| All of | ||
| ubuntu/linux-image-4.4.0-45-generic-lpae | <4.4.0-45.66 | 4.4.0-45.66 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.04 | |
| All of | ||
| ubuntu/linux-image-4.4.0-45-lowlatency | <4.4.0-45.66 | 4.4.0-45.66 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.04 | |
| All of | ||
| ubuntu/linux-image-4.4.0-45-powerpc-e500mc | <4.4.0-45.66 | 4.4.0-45.66 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.04 | |
| All of | ||
| ubuntu/linux-image-4.4.0-45-powerpc-smp | <4.4.0-45.66 | 4.4.0-45.66 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.04 | |
| All of | ||
| ubuntu/linux-image-4.4.0-45-powerpc64-emb | <4.4.0-45.66 | 4.4.0-45.66 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.04 | |
| All of | ||
| ubuntu/linux-image-4.4.0-45-powerpc64-smp | <4.4.0-45.66 | 4.4.0-45.66 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2016-5195
- https://ubuntu.com/security/notices/USN-3106-2
- https://ubuntu.com/security/notices/USN-3106-3
- https://ubuntu.com/security/notices/USN-3106-4
- https://ubuntu.com/security/notices/USN-3105-1
- https://ubuntu.com/security/notices/USN-3105-2
- https://ubuntu.com/security/notices/USN-3107-1
- https://ubuntu.com/security/notices/USN-3107-2
- https://ubuntu.com/security/notices/USN-3104-1
- https://ubuntu.com/security/notices/USN-3104-2
- https://launchpad.net/ubuntu/+source/linux/4.4.0-45.66
- https://ubuntu.com/security/notices/USN-3106-1 (Advisory)
Frequently Asked Questions
What is the severity of USN-3106-1?
USN-3106-1 is classified as a high severity vulnerability due to the potential for a local attacker to gain administrative privileges.
How do I fix USN-3106-1?
To mitigate USN-3106-1, you should update to the Linux kernel version 4.4.0-45.66 or later.
Who is affected by USN-3106-1?
USN-3106-1 affects Ubuntu 16.04 systems using specific versions of the Linux kernel.
What type of vulnerability is USN-3106-1?
USN-3106-1 is a race condition vulnerability related to the memory manager in the Linux kernel.
Can USN-3106-1 be exploited remotely?
USN-3106-1 requires local access to the system for exploitation, making it less of a remote threat.
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- agent/first-publish-date
- agent/event
- agent/description
- agent/title
- agent/weakness
- agent/trending
- agent/source
- agent/softwarecombine
- agent/tags
- collector/usn
- source/Ubuntu
- anchor-related/USN-3106-2
- anchor-related/USN-3106-3
- anchor-related/USN-3106-4
- anchor-related/USN-3105-1
- anchor-related/USN-3105-2
- anchor-related/USN-3107-1
- anchor-related/USN-3107-2
- anchor-related/USN-3104-1
- anchor-related/USN-3104-2
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- package-manager/ubuntu
- vendor/ubuntu
- canonical/ubuntu gir1.2-packagekitglib-1.0
- version/ubuntu gir1.2-packagekitglib-1.0/16.04