Bug 24526 - Hygon: IBPB for SRSO vulnerability has incorrect show state
Summary: Hygon: IBPB for SRSO vulnerability has incorrect show state
Status: NEW
Alias: None
Product: ANCK 6.6 Dev
Classification: ANCK
Component: X86 (show other bugs) X86
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: Guanjun
QA Contact: shuming
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-09-05 15:40 UTC by luoshance
Modified: 2025-09-08 16:06 UTC (History)
3 users (show)

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Description luoshance hygon_group 2025-09-05 15:40:56 UTC 
Description of problem:

SRSO(Speculative Return Stack Overflow) vulnerability can be mitigated by IBPB, which is supported by Hygon, but there is incorrect kernel print message :
Speculative Return Stack Overflow: IBPB-extending microcode not applied!

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:
Comment 1 小龙 admin 2025-09-08 16:06:24 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/5748