This bug was fixed in the package linux - 5.0.0-25.26
---------------
linux (5.0.0-25.26) disco; urgency=medium
* CVE-2019-1125
- x86/cpufeatures: Carve out CQM features retrieval
- x86/cpufeatures: Combine word 11 and 12 into a new scattered features word
- x86/speculation: Prepare entry code for Spectre v1 swapgs mitigations
- x86/speculation: Enable Spectre v1 swapgs mitigations
- x86/entry/64: Use JMP instead of JMPQ
- x86/speculation/swapgs: Exclude ATOMs from speculation through SWAPGS
-- Kleber Sacilotto de Souza <[email protected]> Thu, 01 Aug
2019 12:04:35 +0200
** Changed in: linux (Ubuntu Disco)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-1125
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https://bugs.launchpad.net/bugs/1836177
Title:
Intel ethernet I219 may wrongly detect connection speed as 10Mbps
Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem package in Ubuntu:
New
Status in linux-oem-osp1 package in Ubuntu:
New
Status in linux source package in Bionic:
Fix Committed
Status in linux-oem source package in Bionic:
New
Status in linux-oem-osp1 source package in Bionic:
Fix Released
Status in linux source package in Disco:
Fix Released
Status in linux-oem source package in Disco:
Invalid
Status in linux-oem-osp1 source package in Disco:
Fix Released
Bug description:
[Impact]
Intel I219 ethernet may wrongly detect 1Gbps network as 10Mbps after
ethernet cable hotplugging.
[Fix]
Use delayed work before deciding the network speed.
This essentially workarounds unreliable reading on MII_BMSR register.
[Test]
Before the patch the network operates at 10Mbps after cable gets
plugged.
With the fix, network always operates in 1Gbps.
[Regression Potential]
Low. It changes the watchdog task from timer to delayed work, the logic
is essentially the same.
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