** Changed in: ubuntu-z-systems
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1794294
Title:
[Ubuntu] s390/crypto: Fix return code checking in cbc_paes_crypt.
Status in Ubuntu on IBM z Systems:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Status in linux source package in Cosmic:
Fix Released
Bug description:
SRU Justification
Impact: An incorrect return value check can result in a protected key
not being re-transformed when it became invalid.
Fix: Upstream commit b81126e01a8c6048249955feea46c8217ebefa91.
Regression Potential: This is a trivial patch to an architecture-
specific driver, so there is minimal potential for regression.
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Description: s390/crypto: Fix return code checking in cbc_paes_crypt.
Symptom: A protected key is not re-transformed when it became
invalid
Problem: The return code of cpacf_kmc() is less than the number of
bytes to process in case of an error, not greater.
Solution: Correct return code checking.
Commit- ID: b81126e01a8c6048249955feea46c8217ebefa91
kernel 4.19
For all releases which contains paes_s390 kernel module , which are
kernel > 4.11 => Ubuntu 18.04, Ubuntu 18.10,
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