USN-1688-1: Linux kernel (Oneiric backport) vulnerabilities
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)
Affected Software
Event History
Frequently Asked Questions
What is the severity of USN-1688-1?
The severity of USN-1688-1 is considered moderate due to the potential for system crashes by unprivileged local attackers.
How do I fix USN-1688-1?
To fix USN-1688-1, you should upgrade to the corrected package version 3.0.0-30.47~lucid1 for your Ubuntu 10.04 system.
What systems are affected by USN-1688-1?
USN-1688-1 affects Ubuntu 10.04 systems running specific versions of the Linux kernel, including linux-image-3.0.0-30-virtual, linux-image-3.0.0-30-generic, linux-image-3.0.0-30-server, and linux-image-3.0.0-30-generic-pae.
Who reported the vulnerability in USN-1688-1?
The vulnerability in USN-1688-1 was reported by Jon Howell.
What type of attack can exploit the USN-1688-1 vulnerability?
The vulnerability in USN-1688-1 can be exploited by unprivileged local attackers to crash the system.