I built a Wily test kernel with a cherry pick of the two requested commits. The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1520411/ Can you test this kernel an see if it resolves this bug? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1520411 Title: powerpc/tm: Fix local DoS Status in linux package in Ubuntu: Confirmed Status in linux source package in Trusty: In Progress Status in linux source package in Vivid: In Progress Status in linux source package in Wily: In Progress Status in linux source package in Xenial: Confirmed Bug description: The following two fixes have just made it into mpes powerpc fixes tree: 7f821fc powerpc/tm: Check for already reclaimed tasks d2b9d2a powerpc/tm: Block signal return setting invalid MSR state They fix local DoS (userspace can crash the OS) on powerpc POWER8 cpus for any kernel v3.9+ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1520411/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
