Marking bionic as fix-released since the patch identified here is already in
master.
e666d4e9ceec crypto: vmx - Use skcipher for ctr fallback
** Changed in: linux (Ubuntu Bionic)
Status: Fix Committed => Fix Released
** Changed in: ubuntu-power-systems
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1732978
Title:
Ubuntu 17.10: Include patch "crypto: vmx - Use skcipher for ctr
fallback"
Status in The Ubuntu-power-systems project:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Artful:
Fix Released
Status in linux source package in Bionic:
Fix Released
Bug description:
== SRU Justification ==
Artful uses the 4.13 kernel which has an issue with the fallback cipher for
CTR mode. Commit e666d4e9ceec fixes this problem by using a new structure
for the generic ciphers.
This commit is also needed in Bionic until it gets rebased to 4.15.
Commit e666d4e9ceec was added to mainline in v4.15-rc2
== Fix ==
commit e666d4e9ceec94c0a88c94b7db31d56474da43b3
Author: Paulo Flabiano Smorigo <pfsmor...@linux.vnet.ibm.com>
Date: Mon Oct 16 20:54:19 2017 -0200
crypto: vmx - Use skcipher for ctr fallback
== Regression Potential ==
This commit is specific to crypto, and adds a new structure for the generic
ciphers.
== Test Case ==
A test kernel was built with this patch and tested by the original bug
reporter.
The bug reporter states the test kernel resolved the bug.
== Original Bug Desription: ==
== Comment: #0 - Paulo Flabiano Smorigo <pfsmor...@br.ibm.com> - 2017-11-17
10:29:14 ==
Ubuntu 17.10 uses linux kernel 4.13 witch has a problem with the fallback
cipher for CTR mode. The commit bellow fixes this problem by using the new
structure for the generic ciphers. Please add it to the kernel package.
https://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git/commit/?id=e666d4e9ceec94c0a88c94b7db31d56474da43b3
== Comment: #1 - VIPIN K. PARASHAR <vipar...@in.ibm.com> - 2017-11-17
13:38:05 ==
(In reply to comment #0)
> Ubuntu 17.10 uses linux kernel 4.13 witch has a problem with the fallback
> cipher for CTR mode. The commit bellow fixes this problem by using the new
> structure for the generic ciphers. Please add it to the kernel package.
>
> https://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git/
> commit/?id=e666d4e9ceec94c0a88c94b7db31d56474da43b3
Which is commit e666d4e9ceec94
commit e666d4e9ceec94c0a88c94b7db31d56474da43b3
Author: Paulo Flabiano Smorigo <pfsmor...@linux.vnet.ibm.com>
Date: Mon Oct 16 20:54:19 2017 -0200
crypto: vmx - Use skcipher for ctr fallback
Signed-off-by: Paulo Flabiano Smorigo <pfsmor...@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herb...@gondor.apana.org.au>
Its available with 4.14 kernel.
Hello Canonical,
Please include commit e666d4e9ceec94 - "crypto: vmx - Use skcipher for ctr
fallback"
with Ubuntu 17.10 kernel.
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