** Changed in: linux (Ubuntu Bionic) Status: New => Fix Committed
** Changed in: linux (Ubuntu Cosmic) Status: New => Fix Committed ** Also affects: linux-oem (Ubuntu) Importance: Undecided Status: New ** Changed in: linux-oem (Ubuntu Bionic) Status: New => Fix Committed ** Changed in: linux-oem (Ubuntu Cosmic) Status: New => Invalid ** Changed in: linux-oem (Ubuntu Disco) Status: New => Invalid -- 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/1820990 Title: [SRU][B/B-OEM/C/D] Fix AMD IOMMU NULL dereference Status in HWE Next: New Status in linux package in Ubuntu: Fix Committed Status in linux-oem package in Ubuntu: Invalid Status in linux source package in Bionic: Fix Committed Status in linux-oem source package in Bionic: Fix Committed Status in linux source package in Cosmic: Fix Committed Status in linux-oem source package in Cosmic: Invalid Status in linux source package in Disco: Fix Committed Status in linux-oem source package in Disco: Invalid Bug description: [Impact] When no acpi hid match the device, there will be a NULL dereference in amd iommu. It will make system hang. [Fix] Check NULL pointer before using it. [Test] Tested on several AMD platforms, bugs are fixed with this patch. [Regression Potential] Low, upstream fix, Verified on several platforms. It should be safe. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1820990/+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