USN-2600-1: Linux kernel vulnerability
First published: Tue May 05 2015(Updated: )
A race condition between chown() and execve() was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/linux-image-3.16.0-37-powerpc64-emb | <3.16.0-37.49 | 3.16.0-37.49 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 | |
| All of | ||
| ubuntu/linux-image-3.16.0-37-lowlatency | <3.16.0-37.49 | 3.16.0-37.49 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 | |
| All of | ||
| ubuntu/linux-image-3.16.0-37-powerpc64-smp | <3.16.0-37.49 | 3.16.0-37.49 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 | |
| All of | ||
| ubuntu/linux-image-3.16.0-37-generic-lpae | <3.16.0-37.49 | 3.16.0-37.49 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 | |
| All of | ||
| ubuntu/linux-image-3.16.0-37-powerpc-smp | <3.16.0-37.49 | 3.16.0-37.49 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 | |
| All of | ||
| ubuntu/linux-image-3.16.0-37-generic | <3.16.0-37.49 | 3.16.0-37.49 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 | |
| All of | ||
| ubuntu/linux-image-3.16.0-37-powerpc-e500mc | <3.16.0-37.49 | 3.16.0-37.49 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 |
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Reference Links
- https://ubuntu.com/security/CVE-2015-3339
- https://ubuntu.com/security/notices/USN-2598-1
- https://ubuntu.com/security/notices/USN-2612-1
- https://ubuntu.com/security/notices/USN-2596-1
- https://ubuntu.com/security/notices/USN-2583-1
- https://ubuntu.com/security/notices/USN-2599-1
- https://ubuntu.com/security/notices/USN-2597-1
- https://ubuntu.com/security/notices/USN-2584-1
- https://ubuntu.com/security/notices/USN-2601-1
- https://launchpad.net/ubuntu/+source/linux/3.16.0-37.49
- https://ubuntu.com/security/notices/USN-2600-1 (Advisory)
Frequently Asked Questions
What is the severity of USN-2600-1?
USN-2600-1 is categorized as a high severity vulnerability due to the potential for local attackers to escalate privileges to administrative levels.
How do I fix USN-2600-1?
To remediate USN-2600-1, you should upgrade to the kernel version 3.16.0-37.49 or later.
What systems are affected by USN-2600-1?
USN-2600-1 affects Ubuntu 14.10 with specific kernel image packages including linux-image-3.16.0-37-generic and others.
What type of vulnerability is USN-2600-1?
USN-2600-1 is a race condition vulnerability that occurs between the chown() and execve() system calls.
Can USN-2600-1 be exploited remotely?
No, USN-2600-1 exploits require local access to the system and cannot be executed remotely.
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