** Changed in: ubuntu-z-systems
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1896216
Title:
[Ubuntu 20.10] zPCI DMA tables and bitmap leak
This bug was fixed in the package linux - 5.4.0-56.62
---
linux (5.4.0-56.62) focal; urgency=medium
* focal/linux: 5.4.0-56.62 -proposed tracker (LP: #1905300)
* CVE-2020-4788
- selftests/powerpc: rfi_flush: disable entry flush if present
- powerpc/64s: flush L1D on
Thanks for the verification, Niklas - adjusting tag accordingly ...
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
focal' to 'verification-done-focal'. If the problem still exists, change
the tag
** Changed in: ubuntu-z-systems
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1896216
Title:
[Ubuntu 20.10] zPCI DMA tables and bitmap leak
** Changed in: linux (Ubuntu Focal)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1896216
Title:
[Ubuntu 20.10] zPCI DMA tables and bitmap
This bug was fixed in the package linux - 5.8.0-20.21
---
linux (5.8.0-20.21) groovy; urgency=medium
* groovy/linux: 5.8.0-20.21 -proposed tracker (LP: #1896668)
* Lenovo ThinkBook 14-IML Touchpad not showing up in /proc/bus/input/devices
(LP: #1853277)
- i2c: core: Call
** Changed in: linux (Ubuntu Focal)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1896216
Title:
[Ubuntu 20.10] zPCI DMA tables and bitmap leak on
Patch request submitted for focal:
https://lists.ubuntu.com/archives/kernel-team/2020-September/thread.html#113609
changing status to 'In Progress' for focal.
** Changed in: linux (Ubuntu Focal)
Status: New => In Progress
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** Description changed:
+ SRU Justification:
+ ==
+
+ [Impact]
+
+ * Since zpci_dma_exit_device() is never called on a zPCI device there is
+ a potential leaking in DMA tables and bitmaps.
+
+ * This is because commit "s390/pci: adapt events for zbus" removed the
+
Patched kernel packages (based on focal master-next and groovy master-
next) are available here for further testing:
https://people.canonical.com/~fheimes/lp189284/
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Patch request submitted for groovy:
https://lists.ubuntu.com/archives/kernel-team/2020-September/thread.html#113599
changing status to 'In Progress' for groovy.
** Changed in: linux (Ubuntu Groovy)
Status: New => In Progress
** Changed in: ubuntu-z-systems
Status: New => In
Commit afdf9550e546 landed upstream in linux-next and is currently
tagged with 'next-20200915' only - probably planned to end up in 5.10.
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** Also affects: ubuntu-z-systems
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Groovy)
Importance: Undecided
Assignee: Skipper Bug Screeners (skipper-screen-team)
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
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