Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-signed (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1843327
Title:
vmlinuz is world-readable
Status in linux-signed package in Ubuntu:
Fix Released
Status in linux-signed source package in Bionic:
Fix Committed
Status in linux-signed source package in Disco:
Fix Committed
Bug description:
[Impact]
ppc64el vmlinuz is world-readable, possibly impacting security on that
platform.
[Test case]
Verify vmlinuz is not world-readable after the fix.
[Regression potential]
File permissions may be wrong, possibly allowing attack.
--------------------------------------------------------------------------
======================================================================
FAIL: test_096_boot_symbols_unreadable (__main__.KernelSecurityTest)
kernel addresses in /boot are not world readable
----------------------------------------------------------------------
Traceback (most recent call last):
File "./test-kernel-security.py", line 1438, in
test_096_boot_symbols_unreadable
self.assertEqual(os.stat(name).st_mode & mask, expected, '%s is world
readable' % (name))
AssertionError: /boot/vmlinux-4.15.0-62-generic is world readable
----------------------------------------------------------------------
Ran 125 tests in 31.183s
FAILED (failures=1)
This currently affects ppc64el.
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