USN-1490-1: Linux kernel (Natty backport) vulnerabilities
29 June 2012
Several security issues were fixed in the kernel.
Releases
Packages
- linux-lts-backport-natty - Linux kernel backport from Natty
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 versions:
Ubuntu 10.04
-
linux-image-2.6.38-15-generic
-
2.6.38-15.61~lucid1
-
linux-image-2.6.38-15-virtual
-
2.6.38-15.61~lucid1
-
linux-image-2.6.38-15-generic-pae
-
2.6.38-15.61~lucid1
-
linux-image-2.6.38-15-server
-
2.6.38-15.61~lucid1
After a standard system update you need to reboot your computer to make
all the necessary changes.