** Changed in: linux (Ubuntu)
Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) =>
Canonical Kernel Team (canonical-kernel-team)
** Changed in: linux (Ubuntu)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1841984
Title:
[Backport] Crypto VMX Fixes
Status in The Ubuntu-power-systems project:
Fix Committed
Status in linux package in Ubuntu:
Fix Committed
Bug description:
Ubuntu Disco is missing the fix for "5c380d623ed3 - crypto: vmx - Add
support for VMS instructions by ASM (4 years, 5 months ago) <Leonidas
S. Barbosa>" ... which is fixed by 'crypto: vmx - fix copy-paste error
in CTR mode', it fixes a couple of incorrect branch targets, and usage
of an incorrect vector assembly instruction.
The others two patches ("crypto: vmx - CTR: always increment IV as
quadword ", "crypto: vmx - ghash: do nosimd fallback manually ") fixes
for ghash replaces the fallback mechanism that is used on powerpc an
operation is required to operate in interrupt context.
Not having these patches might lead to data integrity issues.
patches
crypto: vmx - fix copy-paste error in CTR mode
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dcf7b48212c0fab7df69e84fab22d6cb7c8c0fb9
crypto: vmx - CTR: always increment IV as quadword
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=009b30ac7444c17fae34c4f435ebce8e8e2b3250
crypto: vmx - ghash: do nosimd fallback manually
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=357d065a44cdd77ed5ff35155a989f2a763e96ef
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