This bug was fixed in the package linux - 3.2.0-150.197
---
linux (3.2.0-150.197) precise; urgency=medium
* precise/linux: 3.2.0-150.197 -proposed tracker (LP: #1919172)
* CVE-2021-27365
- scsi: iscsi: Verify lengths on passthrough PDUs
- sysfs: Add sysfs_emit and sysfs_e
** Tags added: cscc
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Title:
L1TF mitigation not effective in some CPU and RAM combinations
Status in linux package in Ubuntu:
Fix
** Changed in: linux (Ubuntu Precise)
Importance: Undecided => High
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Title:
L1TF mitigation not effective in some CPU and RAM com
** Also affects: linux (Ubuntu Precise)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Precise)
Status: New => Fix Committed
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This bug was fixed in the package linux - 4.15.0-36.39
---
linux (4.15.0-36.39) bionic; urgency=medium
* CVE-2018-14633
- iscsi target: Use hex2bin instead of a re-implementation
* CVE-2018-17182
- mm: get rid of vmacache_flush_all() entirely
linux (4.15.0-35.38) bionic;
This bug was fixed in the package linux - 3.13.0-160.210
---
linux (3.13.0-160.210) trusty; urgency=medium
* CVE-2018-14633
- iscsi target: Use hex2bin instead of a re-implementation
* CVE-2018-14634
- exec: Limit arg stack to at most 75% of _STK_LIM
linux (3.13.0-159.20
This bug was fixed in the package linux - 4.4.0-137.163
---
linux (4.4.0-137.163) xenial; urgency=medium
* CVE-2018-14633
- iscsi target: Use hex2bin instead of a re-implementation
* CVE-2018-17182
- mm: get rid of vmacache_flush_all() entirely
linux (4.4.0-136.162) xeni
On 2018-09-20 15:38:55, alex wrote:
> Do you have any ETA for Xenial fixed release ?
The kernels containing this fix are scheduled to be published during the
week of October 1st. If you need the fix more quickly, it is possible to
use the kernel from xenial-proposed as mentioned in comment 11.
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Do you have any ETA for Xenial fixed release ?
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Title:
L1TF mitigation not effective in some CPU and RAM combinations
Status in lin
I just tried on Bionic with proposed kernel. It is working too!
:~# uname -r
4.15.0-35-generic
:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 18.04.1 LTS
Release:18.04
Codename: bionic
:~# cat /sys/devices/system/cpu/vulnerabilities/l
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 'verifica
I've changed the tag from verification-needed-trusty to verified-done-
trusty based on comment 15. Thanks for the testing!
** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty
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proposed kernel for trusty still resolves this like test-kernel from #7
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Title:
L1TF mitigation not effective in some CPU and RAM co
I don't have a trusty install to test, but #10 confirms that the test
kernel from #7 resolved it for trusty.
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Title:
L1TF mitigation
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-
trusty' to 'verification-done-trusty'. If the problem still exists,
change the tag 'verifica
It is solved with proposed kernel on Xenial, tag updated
:~# uname -a
Linux pf42.mutu.online.net 4.4.0-136-generic #162-Ubuntu SMP Tue Sep 11
15:12:40 UTC 2018
:~# cat /sys/devices/system/cpu/vulnerabilities/l1tf
Mitigation: PTE Inversion
** Tags removed: verification-needed-xenial
** Tags added
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 'verifica
kernel from #7 resolves this on trusty as well (according to sysfs)
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Title:
L1TF mitigation not effective in some CPU and RAM combin
** Changed in: linux (Ubuntu Xenial)
Status: Triaged => Fix Committed
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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** Changed in: linux (Ubuntu Trusty)
Status: Triaged => Fix Committed
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Title:
L1TF mitigation not effective in some CPU and R
** Description changed:
== SRU Justification ==
- This regression has been reported in multiple bugs and affects Trust,
+ This bug has been reported in multiple bugs and affects Trusty,
Xenial and Bionic. All releases need different backports, so T and X
will be sent in separate SRU request
** Summary changed:
- L1TF mitigation not effective
+ L1TF mitigation not effective in some CPU and RAM combinations
** Description changed:
== SRU Justification ==
This regression has been reported in multiple bugs and affects Trust,
Xenial and Bionic. All releases need different backpor
** Changed in: linux (Ubuntu Cosmic)
Status: Triaged => Fix Released
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Title:
L1TF mitigation not effective in some CPU and RA
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