Bug 2293325 (CVE-2022-48734)

Summary: CVE-2022-48734 kernel: btrfs: fix deadlock between quota disable and qgroup rescan worker
Product: [Other] Security Response Reporter: Avinash Hanwate <ahanwate>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, rkeshri, vkumar
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: kernel 5.4.178, kernel 5.10.99, kernel 5.15.22, kernel 5.16.8, kernel 5.17 Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in the Linux kernel's btrfs file system. The quota disable process leads to a deadlock situation when the quota disable ioctl is initiated. This issue starts a transaction and waits indefinitely for the qgroup rescan worker to complete, creating a circular dependency with other tasks.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2293307    

Description Avinash Hanwate 2024-06-20 13:39:37 UTC
In the Linux kernel, the following vulnerability has been resolved:

btrfs: fix deadlock between quota disable and qgroup rescan worker

The Linux kernel CVE team has assigned CVE-2022-48734 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024062000-CVE-2022-48734-88b7@gregkh/T