- Vulnerability/
- USN-1699-1
USN-1699-1: Linux kernel vulnerabilities
First published: Fri Jan 18 2013(Updated: )
Jon Howell reported a flaw in the Linux kernel's KVM (Kernel-based virtual machine) subsystem's handling of the XSAVE feature. On hosts, using qemu userspace, without the XSAVE feature an unprivileged local attacker could exploit this flaw to crash the system. (CVE-2012-4461) A flaw was discovered in the Linux kernel's handling of script execution when module loading is enabled. A local attacker could exploit this flaw to cause a leak of kernel stack contents. (CVE-2012-4530) Florian Weimer discovered that hypervkvpd, which is distributed in the Linux kernel, was not correctly validating source addresses of netlink packets. An untrusted local user can cause a denial of service by causing hypervkvpd to exit. (CVE-2012-5532)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/linux-image-3.5.0-22-powerpc-smp | <3.5.0-22.34 | 3.5.0-22.34 |
| Ubuntu gir1.2-packagekitglib-1.0 | =12.10 | |
| All of | ||
| ubuntu/linux-image-3.5.0-22-powerpc64-smp | <3.5.0-22.34 | 3.5.0-22.34 |
| Ubuntu gir1.2-packagekitglib-1.0 | =12.10 | |
| All of | ||
| ubuntu/linux-image-3.5.0-22-omap | <3.5.0-22.34 | 3.5.0-22.34 |
| Ubuntu gir1.2-packagekitglib-1.0 | =12.10 | |
| All of | ||
| ubuntu/linux-image-3.5.0-22-generic | <3.5.0-22.34 | 3.5.0-22.34 |
| Ubuntu gir1.2-packagekitglib-1.0 | =12.10 | |
| All of | ||
| ubuntu/linux-image-3.5.0-22-highbank | <3.5.0-22.34 | 3.5.0-22.34 |
| Ubuntu gir1.2-packagekitglib-1.0 | =12.10 |
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Reference Links
- https://ubuntu.com/security/CVE-2012-4461
- https://ubuntu.com/security/CVE-2012-4530
- https://ubuntu.com/security/CVE-2012-5532
- https://ubuntu.com/security/notices/USN-1689-1
- https://ubuntu.com/security/notices/USN-1696-1
- https://ubuntu.com/security/notices/USN-1704-1
- https://ubuntu.com/security/notices/USN-1688-1
- https://ubuntu.com/security/notices/USN-1700-1
- https://ubuntu.com/security/notices/USN-1683-1
- https://ubuntu.com/security/notices/USN-1698-1
- https://ubuntu.com/security/notices/USN-1684-1
- https://ubuntu.com/security/notices/USN-1691-1
- https://ubuntu.com/security/notices/USN-1720-1
- https://ubuntu.com/security/notices/USN-1726-1
- https://launchpad.net/ubuntu/+source/linux/3.5.0-22.34
- https://ubuntu.com/security/notices/USN-1699-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the severity of USN-1699-1?
The severity of USN-1699-1 is significant as it allows unprivileged local attackers to crash the system.
How do I fix USN-1699-1?
To fix USN-1699-1, you should update to the linux-image version 3.5.0-22.34 on Ubuntu 12.10.
Which systems are affected by USN-1699-1?
USN-1699-1 affects Ubuntu 12.10 systems running specific linux-image packages that are vulnerable.
What vulnerability does USN-1699-1 address?
USN-1699-1 addresses a flaw in the Linux kernel's KVM subsystem handling of the XSAVE feature.
Who reported the issue for USN-1699-1?
The issue for USN-1699-1 was reported by Jon Howell.
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