Bug 2347988 (CVE-2022-49054) - CVE-2022-49054 kernel: Drivers: hv: vmbus: Deactivate sysctl_record_panic_msg by default in isolated guests
Summary: CVE-2022-49054 kernel: Drivers: hv: vmbus: Deactivate sysctl_record_panic_msg...
Keywords:
Status: NEW
Alias: CVE-2022-49054
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-02-26 03:13 UTC by OSIDB Bzimport
Modified: 2025-03-03 04:52 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2025-02-26 03:13:43 UTC 
In the Linux kernel, the following vulnerability has been resolved:

Drivers: hv: vmbus: Deactivate sysctl_record_panic_msg by default in isolated guests

hv_panic_page might contain guest-sensitive information, do not dump it
over to Hyper-V by default in isolated guests.

While at it, update some comments in hyperv_{panic,die}_event().
Comment 1 Avinash Hanwate 2025-02-26 20:30:02 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022652-CVE-2022-49054-d850@gregkh/T
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