** Changed in: linux-raspi2 (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1905786
Title:
perf_event_open is not restricted to admin by default
Status in linux package in Ubuntu:
Invalid
Status in linux-raspi2 package in Ubuntu:
Invalid
Status in linux source package in Bionic:
Invalid
Status in linux-raspi2 source package in Bionic:
Fix Committed
Bug description:
[Impact]
perf_event_open is not restricted by default, which means unprivileged users
may have access to information they should not have.
[Test case]
Run as an unprivileged user:
perf stat true
and check that it fails.
[Potential regression]
Users who expect to be able to use perf will not be able to do it. The fix
might also cause the build to fail, in case it doesn't match enforced config
options.
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