This bug was fixed in the package linux - 5.11.0-13.14
---------------
linux (5.11.0-13.14) hirsute; urgency=medium
* CVE-2020-27170
- bpf: Prohibit alu ops for pointer types not defining ptr_limit
- bpf, selftests: Fix up some test_verifier cases for unprivileged
* CVE-2020-27171
- bpf: Fix off-by-one for area size in creating mask to left
-- Andrea Righi <[email protected]> Fri, 19 Mar 2021 16:49:32
+0100
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-27170
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-27171
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https://bugs.launchpad.net/bugs/1914411
Title:
Fix broken efifb on graphics device without driver
Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.10 package in Ubuntu:
Invalid
Status in linux source package in Focal:
In Progress
Status in linux-oem-5.10 source package in Focal:
Fix Released
Status in linux source package in Groovy:
In Progress
Status in linux-oem-5.10 source package in Groovy:
Invalid
Bug description:
[Impact]
EFIFB stops working after graphics device is runtime suspended in
D3cold.
[Fix]
Prevent the graphics device from being runtime suspended.
[Test]
With the patch applied, using efifb on graphics device without driver
always work, because the device stays at D0 all the time.
[Where problems could occur]
Potentially this can affect power consumption, if user expects to put
graphics device to D3cold, and is fine to get a broken efifb.
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