This bug was fixed in the package linux - 4.15.0-23.25
---
linux (4.15.0-23.25) bionic; urgency=medium
* linux: 4.15.0-23.25 -proposed tracker (LP: #1772927)
* arm64 SDEI support needs trampoline code for KPTI (LP: #1768630)
- arm64: mmu: add the entry trampolines start/end
This bug was fixed in the package linux - 4.13.0-45.50
---
linux (4.13.0-45.50) artful; urgency=medium
* linux: 4.13.0-45.50 -proposed tracker (LP: #1774124)
* CVE-2018-3639 (x86)
- SAUCE: Set generic SSBD feature for Intel cpus
linux (4.13.0-44.49) artful; urgency=medium
This bug was fixed in the package linux - 4.15.0-23.25
---
linux (4.15.0-23.25) bionic; urgency=medium
* linux: 4.15.0-23.25 -proposed tracker (LP: #1772927)
* arm64 SDEI support needs trampoline code for KPTI (LP: #1768630)
- arm64: mmu: add the entry trampolines start/end
This bug was fixed in the package linux - 4.4.0-128.154
---
linux (4.4.0-128.154) xenial; urgency=medium
* linux: 4.4.0-128.154 -proposed tracker (LP: #1772960)
* CVE-2018-3639 (x86)
- x86/cpu: Make alternative_msr_write work for 32-bit code
- x86/bugs: Fix the
-- Bionic verification --
ubuntu@starbuck:~$ uname -a
Linux starbuck 4.15.0-23-generic #25-Ubuntu SMP Wed May 23 17:59:52 UTC 2018
aarch64 aarch64 aarch64 GNU/Linux
ubuntu@starbuck:~$ dmesg | grep -i "W+X"
[ 34.983869] Checked W+X mappings: passed, no W+X pages found
ubuntu@starbuck:~$
--
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-
xenial' to 'verification-done-xenial'. If the problem still exists,
change the tag
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-
artful' to 'verification-done-artful'. If the problem still exists,
change the tag
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-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1769696
Title:
[SRU][Bionic/Artful] fix false positives in W+X
** Changed in: linux (Ubuntu Xenial)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1769696
Title:
[SRU][Bionic/Artful] fix false positives in W+X checking
To
** Changed in: linux (Ubuntu Artful)
Status: New => In Progress
** Changed in: linux (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Changed in: linux (Ubuntu Artful)
Status: In Progress => Fix Committed
**
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => High
** Changed in: linux (Ubuntu Artful)
Importance: Undecided => High
** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => High
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Bugs, which
** Description changed:
[Impact]
on ARM64 servers we observe call trace "arm64/mm: Found insecure W+X mapping
at address 00a99000/0xa99000" while booting. These messages are a false
positive and triggered at random.
[Test]
- There is no reliable way to reproduce these warnings,
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