Bug 2266461 (CVE-2021-46958) - CVE-2021-46958 kernel: btrfs: fix race between transaction aborts and fsyncs leading to use-after-free
Summary: CVE-2021-46958 kernel: btrfs: fix race between transaction aborts and fsyncs ...
Keywords:
Status: NEW
Alias: CVE-2021-46958
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: 2266462
Blocks: 2266459
TreeView+ depends on / blocked
 
Reported: 2024-02-27 22:26 UTC by Nick Tait
Modified: 2024-06-18 12:38 UTC (History)
49 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description Nick Tait 2024-02-27 22:26:17 UTC 
In the Linux kernel, the following vulnerability has been resolved:

btrfs: fix race between transaction aborts and fsyncs leading to use-after-free

The Linux kernel CVE team has assigned CVE-2021-46958 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024022718-CVE-2021-46958-53ff@gregkh/T/#u
Comment 1 Nick Tait 2024-02-27 22:26:52 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2266462]
Comment 5 Justin M. Forbes 2024-02-27 22:35:48 UTC 
This was fixed for Fedora with the 5.12.3 stable kernel update.
Comment 8 Alex 2024-06-09 13:09:26 UTC 
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2021-46958 is: 	SKIP	The Fixes patch not applied yet, so unlikely that actual: ef67963dac255b293e19815ea3d440567be4626f	YES			NO	YES	unknown (where first YES/NO value means if related sources built).
Comment 9 Alex 2024-06-09 13:42:45 UTC 
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2021-46958 is: 	SKIP	The Fixes patch not applied yet, so unlikely that actual: ef67963dac255b293e19815ea3d440567be4626f	YES			NO	YES	unknown (where first YES/NO value means if related sources built).
Comment 10 Alex 2024-06-09 13:42:54 UTC 
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2021-46958 is: 	SKIPCHECK	Skip, because not a security issue or not included. Check manually anyway.	YES	NONE	READ DANGER DISK INIT WARNONLY RACE UAF SKIP LOG KERNEL_PANIC_PLUS_UAF 	NO	NO	checked (where first YES/NO value means if related sources built).
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