USN-2616-1: Linux kernel vulnerabilities
First published: Wed May 20 2015(Updated: )
Alexandre Oliva reported a race condition flaw in the btrfs file system's handling of extended attributes (xattrs). A local attacker could exploit this flaw to bypass ACLs and potentially escalate privileges. (CVE-2014-9710) A memory corruption issue was discovered in AES decryption when using the Intel AES-NI accelerated code path. A remote attacker could exploit this flaw to cause a denial of service (system crash) or potentially escalate privileges on Intel base machines with AEC-GCM mode IPSec security association. (CVE-2015-3331) A flaw was discovered in the Linux kernel's IPv4 networking when using TCP fast open to initiate a connection. An unprivileged local user could exploit this flaw to cause a denial of service (system crash). (CVE-2015-3332)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/linux-image-3.16.0-38-powerpc64-emb | <3.16.0-38.52 | 3.16.0-38.52 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 | |
| All of | ||
| ubuntu/linux-image-3.16.0-38-powerpc64-smp | <3.16.0-38.52 | 3.16.0-38.52 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 | |
| All of | ||
| ubuntu/linux-image-3.16.0-38-generic | <3.16.0-38.52 | 3.16.0-38.52 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 | |
| All of | ||
| ubuntu/linux-image-3.16.0-38-powerpc-smp | <3.16.0-38.52 | 3.16.0-38.52 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 | |
| All of | ||
| ubuntu/linux-image-3.16.0-38-generic-lpae | <3.16.0-38.52 | 3.16.0-38.52 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 | |
| All of | ||
| ubuntu/linux-image-3.16.0-38-powerpc-e500mc | <3.16.0-38.52 | 3.16.0-38.52 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 | |
| All of | ||
| ubuntu/linux-image-3.16.0-38-lowlatency | <3.16.0-38.52 | 3.16.0-38.52 |
| Ubuntu gir1.2-packagekitglib-1.0 | =14.10 |
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Reference Links
- https://ubuntu.com/security/CVE-2014-9710
- https://ubuntu.com/security/CVE-2015-3331
- https://ubuntu.com/security/CVE-2015-3332
- https://ubuntu.com/security/notices/USN-2663-1
- https://ubuntu.com/security/notices/USN-2615-1
- https://ubuntu.com/security/notices/USN-2662-1
- https://ubuntu.com/security/notices/USN-2613-1
- https://ubuntu.com/security/notices/USN-2631-1
- https://ubuntu.com/security/notices/USN-2632-1
- https://ubuntu.com/security/notices/USN-2614-1
- https://ubuntu.com/security/notices/USN-2620-1
- https://ubuntu.com/security/notices/USN-2619-1
- https://launchpad.net/ubuntu/+source/linux/3.16.0-38.52
- https://ubuntu.com/security/notices/USN-2616-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the severity of USN-2616-1?
The severity of USN-2616-1 is classified as high due to the potential for privilege escalation.
How do I fix USN-2616-1?
To fix USN-2616-1, you should update to the latest kernel version 3.16.0-38.52 or newer.
What products are affected by USN-2616-1?
USN-2616-1 affects various packages in Ubuntu 14.10, including linux-image-3.16.0-38-generic and linux-image-3.16.0-38-powerpc.
What is the cause of the vulnerability in USN-2616-1?
The vulnerability in USN-2616-1 is caused by a race condition in the btrfs file system's handling of extended attributes.
Can USN-2616-1 be exploited remotely?
USN-2616-1 is a local vulnerability, meaning an attacker would need local access to exploit it.
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