Bug 2267173 (CVE-2021-47061) - CVE-2021-47061 kernel: KVM: use-after-free while destroy I/O bus devices on unregister failure
Summary: CVE-2021-47061 kernel: KVM: use-after-free while destroy I/O bus devices on u...
Keywords:
Status: NEW
Alias: CVE-2021-47061
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2267174
Blocks: 2267188
TreeView+ depends on / blocked
 
Reported: 2024-03-01 04:59 UTC by Avinash Hanwate
Modified: 2024-06-20 11:53 UTC (History)
50 users (show)

Fixed In Version: kernel 5.10.37, kernel 5.11.21, kernel 5.12.4, kernel 5.13
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Avinash Hanwate 2024-03-01 04:59:07 UTC 
In the Linux kernel, the following vulnerability has been resolved:

KVM: Destroy I/O bus devices on unregister failure _after_ sync'ing SRCU

The Linux kernel CVE team has assigned CVE-2021-47061 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024022952-CVE-2021-47061-6fea@gregkh/T/#u
Comment 1 Avinash Hanwate 2024-03-01 04:59:45 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2267174]
Comment 2 Justin M. Forbes 2024-03-01 21:08:27 UTC 
This was fixed for Fedora with the 5.12.4 stable kernel updates.
Comment 4 Alex 2024-06-09 12:50:16 UTC 
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2021-47061 is: 	SKIP	No affected files built, so skip this CVE	NO			-	-	unknown (where first YES/NO value means if related sources built).
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