Bug 2293226 (CVE-2021-47600) - CVE-2021-47600 kernel: dm btree remove: fix use after free in rebalance_children()
Summary: CVE-2021-47600 kernel: dm btree remove: fix use after free in rebalance_child...
Keywords:
Status: NEW
Alias: CVE-2021-47600
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 2293209
TreeView+ depends on / blocked
 
Reported: 2024-06-20 10:35 UTC by Avinash Hanwate
Modified: 2026-09-09 00:35 UTC (History)
5 users (show)

Fixed In Version: kernel 4.4.296, kernel 4.9.294, kernel 4.14.259, kernel 4.19.222, kernel 5.4.168, kernel 5.10.88, kernel 5.15.11, kernel 5.16
Clone Of:
Environment:
Last Closed:
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:65710 0 None None None 2026-09-09 00:35:44 UTC

Description Avinash Hanwate 2024-06-20 10:35:59 UTC 
In the Linux kernel, the following vulnerability has been resolved:

dm btree remove: fix use after free in rebalance_children()

The Linux kernel CVE team has assigned CVE-2021-47600 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024061922-CVE-2021-47600-5cc4@gregkh/T
Comment 4 errata-xmlrpc 2026-09-09 00:35:43 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2026:65710 https://access.redhat.com/errata/RHSA-2026:65710
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