Bug 2293226 (CVE-2021-47600)

Summary: CVE-2021-47600 kernel: dm btree remove: fix use after free in rebalance_children()
Product: [Other] Security Response Reporter: Avinash Hanwate <ahanwate>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: dfreiber, drow, jburrell, rkeshri, vkumar
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
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 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2293209    

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