USN-3107-1: 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-4.8.0-26-powerpc64-emb | <4.8.0-26.28 | 4.8.0-26.28 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.10 | |
| All of | ||
| ubuntu/linux-image-4.8.0-26-generic | <4.8.0-26.28 | 4.8.0-26.28 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.10 | |
| All of | ||
| ubuntu/linux-image-4.8.0-26-generic-lpae | <4.8.0-26.28 | 4.8.0-26.28 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.10 | |
| All of | ||
| ubuntu/linux-image-4.8.0-26-lowlatency | <4.8.0-26.28 | 4.8.0-26.28 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.10 | |
| All of | ||
| ubuntu/linux-image-4.8.0-26-powerpc-smp | <4.8.0-26.28 | 4.8.0-26.28 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.10 | |
| All of | ||
| ubuntu/linux-image-4.8.0-26-powerpc-e500mc | <4.8.0-26.28 | 4.8.0-26.28 |
| Ubuntu gir1.2-packagekitglib-1.0 | =16.10 |
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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-3106-1
- 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-3107-2
- https://ubuntu.com/security/notices/USN-3104-1
- https://ubuntu.com/security/notices/USN-3104-2
- https://launchpad.net/ubuntu/+source/linux/4.8.0-26.28
- https://ubuntu.com/security/notices/USN-3107-1 (Advisory)
Frequently Asked Questions
What is the severity of USN-3107-1?
The severity of USN-3107-1 is classified as critical due to the potential for local attackers to gain administrative privileges.
How do I fix USN-3107-1?
To fix USN-3107-1, update the kernel to version 4.8.0-26.28 or later.
Which systems are affected by USN-3107-1?
USN-3107-1 affects Ubuntu version 16.10 running the linux-image 4.8.0-26 for various architectures.
Can I exploit USN-3107-1 remotely?
No, USN-3107-1 requires local access for exploitation, making it a local privilege escalation vulnerability.
Is USN-3107-1 related to CVE-2016-5195?
Yes, USN-3107-1 addresses the vulnerability identified as CVE-2016-5195.
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- collector/usn
- source/Ubuntu
- anchor-related/USN-3106-2
- anchor-related/USN-3106-3
- anchor-related/USN-3106-1
- anchor-related/USN-3106-4
- anchor-related/USN-3105-1
- anchor-related/USN-3105-2
- anchor-related/USN-3107-2
- anchor-related/USN-3104-1
- anchor-related/USN-3104-2
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- agent/software-canonical-lookup-request
- package-manager/ubuntu
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- canonical/ubuntu gir1.2-packagekitglib-1.0
- version/ubuntu gir1.2-packagekitglib-1.0/16.10