- Vulnerability/
- USN-1940-1
USN-1940-1: Linux kernel (EC2) vulnerabilities
First published: Fri Sep 06 2013(Updated: )
Vasily Kulikov discovered a flaw in the Linux Kernel's perf tool that allows for privilege escalation. A local user could exploit this flaw to run commands as root when using the perf tool. (CVE-2013-1060) Michael S. Tsirkin discovered a flaw in how the Linux kernel's KVM subsystem allocates memory slots for the guest's address space. A local user could exploit this flaw to gain system privileges or obtain sensitive information from kernel memory. (CVE-2013-1943) A flaw was discovered in the SCTP (stream control transfer protocol) network protocol's handling of duplicate cookies in the Linux kernel. A remote attacker could exploit this flaw to cause a denial of service (system crash) on another remote user querying the SCTP connection. (CVE-2013-2206) Hannes Frederic Sowa discovered a flaw in setsockopt UDP_CORK option in the Linux kernel's IPv6 stack. A local user could exploit this flaw to cause a denial of service (system crash). (CVE-2013-4162)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/linux-image-2.6.32-356-ec2 | <2.6.32-356.69 | 2.6.32-356.69 |
| Ubuntu gir1.2-packagekitglib-1.0 | =10.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2013-1060
- https://ubuntu.com/security/CVE-2013-1943
- https://ubuntu.com/security/CVE-2013-2206
- https://ubuntu.com/security/CVE-2013-4162
- https://ubuntu.com/security/notices/USN-1941-1
- https://ubuntu.com/security/notices/USN-1943-1
- https://ubuntu.com/security/notices/USN-1942-1
- https://ubuntu.com/security/notices/USN-1947-1
- https://ubuntu.com/security/notices/USN-1946-1
- https://ubuntu.com/security/notices/USN-1938-1
- https://ubuntu.com/security/notices/USN-1939-1
- https://ubuntu.com/security/notices/USN-1944-1
- https://ubuntu.com/security/notices/USN-1945-1
- https://ubuntu.com/security/notices/USN-1812-1
- https://ubuntu.com/security/notices/USN-1809-1
- https://ubuntu.com/security/notices/USN-1813-1
- https://ubuntu.com/security/notices/USN-1814-1
- https://ubuntu.com/security/notices/USN-1811-1
- https://launchpad.net/ubuntu/+source/linux-ec2/2.6.32-356.69
- https://ubuntu.com/security/notices/USN-1940-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the severity of USN-1940-1?
USN-1940-1 has a high severity rating due to its potential for privilege escalation.
How do I fix USN-1940-1?
To fix USN-1940-1, update to linux-image-2.6.32-356-ec2 version 2.6.32-356.69 or later.
Who discovered the vulnerability in USN-1940-1?
The vulnerability in USN-1940-1 was discovered by Vasily Kulikov and Michael S. Tsirkin.
What is the nature of the flaw in USN-1940-1?
USN-1940-1 involves a flaw in the Linux Kernel's perf tool that allows for local privilege escalation.
Which operating system is affected by USN-1940-1?
USN-1940-1 affects the Ubuntu 10.04 operating system.
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