Bug 1897402 (CVE-2020-12912) - CVE-2020-12912 kernel: unprivileged access to RAPL allows for side channel attacks
Summary: CVE-2020-12912 kernel: unprivileged access to RAPL allows for side channel at...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-12912
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1897506
Blocks: 1897295
TreeView+ depends on / blocked
 
Reported: 2020-11-13 01:48 UTC by Wade Mealing
Modified: 2021-02-16 18:55 UTC (History)
45 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2020-11-13 11:28:31 UTC
Embargoed:


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Description Wade Mealing 2020-11-13 01:48:35 UTC
A flaw in the Linux kernels implementation of RAPL for AMD CPUS allowed a user with a local account to use the RAPL interface to infer CPU execution state.  This could allow information leak of sensitive information across security boundaries.

Comment 3 Petr Matousek 2020-11-13 09:14:45 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1897506]

Comment 4 Product Security DevOps Team 2020-11-13 11:28:31 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-12912

Comment 5 Justin M. Forbes 2020-12-03 16:42:41 UTC
This was fixed for Fedora with the 5.9.9 stable kernel updates.


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