USN-2619-1: Linux kernel (Trusty HWE) vulnerability
23 May 2015
The system could be made to crash under certain conditions.
Releases
Packages
- linux-lts-trusty - Linux hardware enablement kernel from Trusty
Details
A flaw was discovered in the Linux kernel's IPv4 networking when using TCP
fast open to initiate a connection. An unprivileged local user could
exploit this flaw to cause a denial of service (system crash).
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04
-
linux-image-3.13.0-53-generic-lpae
-
3.13.0-53.89~precise1
-
linux-image-3.13.0-53-generic
-
3.13.0-53.89~precise1
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
Related notices
- USN-2616-1: linux, linux-image-3.16.0-38-generic, linux-image-3.16.0-38-lowlatency, linux-image-3.16.0-38-generic-lpae, linux-image-3.16.0-38-powerpc64-smp, linux-image-3.16.0-38-powerpc64-emb, linux-image-3.16.0-38-powerpc-smp, linux-image-3.16.0-38-powerpc-e500mc
- USN-2620-1: linux, linux-image-3.13.0-53-generic, linux-image-3.13.0-53-lowlatency, linux-image-3.13.0-53-powerpc64-smp, linux-image-3.13.0-53-powerpc-e500mc, linux-image-3.13.0-53-powerpc64-emb, linux-image-3.13.0-53-powerpc-e500, linux-image-3.13.0-53-powerpc-smp, linux-image-3.13.0-53-generic-lpae, linux-image-extra-3.13.0-53-generic
- USN-2615-1: linux-image-3.16.0-38-generic, linux-image-3.16.0-38-lowlatency, linux-image-extra-3.16.0-38-generic, linux-lts-utopic, linux-image-3.16.0-38-generic-lpae, linux-image-3.16.0-38-powerpc64-smp, linux-image-3.16.0-38-powerpc64-emb, linux-image-3.16.0-38-powerpc-smp, linux-image-3.16.0-38-powerpc-e500mc