USN-1488-1: Linux kernel vulnerabilities
Ubuntu Security Notice USN-1488-1
29th June, 2012
linux vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.04
Summary
Several security issues were fixed in the kernel.
Software description
- linux - Linux kernel
Details
Stephan Mueller reported a flaw in the Linux kernel's dl2k network driver's
handling of ioctls. An unprivileged local user could leverage this flaw to
cause a denial of service. (CVE-2012-2313)
Timo Warns reported multiple flaws in the Linux kernel's hfsplus
filesystem. An unprivileged local user could exploit these flaws to gain
root system priviliges. (CVE-2012-2319)
A flaw was discovered in the Linux kernel's NFSv4 (Network file system)
handling of ACLs (access control lists). A remote NFS server (attacker)
could cause a denial of service (OOPS). (CVE-2012-2375)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 11.04:
- linux-image-2.6.38-15-powerpc 2.6.38-15.61
- linux-image-2.6.38-15-omap 2.6.38-15.61
- linux-image-2.6.38-15-generic-pae 2.6.38-15.61
- linux-image-2.6.38-15-server 2.6.38-15.61
- linux-image-2.6.38-15-powerpc64-smp 2.6.38-15.61
- linux-image-2.6.38-15-virtual 2.6.38-15.61
- linux-image-2.6.38-15-versatile 2.6.38-15.61
- linux-image-2.6.38-15-generic 2.6.38-15.61
- linux-image-2.6.38-15-powerpc-smp 2.6.38-15.61
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.