Bug 2267370 (CVE-2021-47072) - CVE-2021-47072 kernel: btrfs: fix removed dentries still existing after log is synced
Summary: CVE-2021-47072 kernel: btrfs: fix removed dentries still existing after log i...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-47072
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: 2267371
Blocks: 2267666
TreeView+ depends on / blocked
 
Reported: 2024-03-01 22:00 UTC by Mauro Matteo Cascella
Modified: 2024-06-09 13:42 UTC (History)
50 users (show)

Fixed In Version: kernel 5.12.7, kernel 5.13
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the Linux Kernel's BTR file system. This issue could allow a local user to crash the system.
Clone Of:
Environment:
Last Closed: 2024-04-09 16:27:02 UTC
Embargoed:

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Description Mauro Matteo Cascella 2024-03-01 22:00:43 UTC 
In the Linux kernel, the following vulnerability has been resolved:

btrfs: fix removed dentries still existing after log is synced

The Linux kernel CVE team has assigned CVE-2021-47072 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024030141-CVE-2021-47072-52d4@gregkh/T/#u
Comment 1 Mauro Matteo Cascella 2024-03-01 22:01:20 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2267371]
Comment 3 Justin M. Forbes 2024-03-01 22:52:32 UTC 
This was fixed for Fedora with the 5.12.7 stable kernel updates.
Comment 5 Alex 2024-06-09 13:42:21 UTC 
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2021-47072 is: 	SKIPCHECK	Skip, because not a security issue or not included. Check manually anyway.	YES	NONE	DANGER DISK WARNONLY SKIP LOG 	YES	YES	guess (where first YES/NO value means if related sources built).
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