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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2024-41078 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix quota root leak after quota disable failure If during the quota disable we fail when cleaning the quota tree or when deleting the root from the root tree, we jump to the 'out' label without ever dropping the reference on the quota root, resulting in a leak of the root since fs_info->quota_root is no longer pointing to the root (we have set it to NULL just before those steps). Fix this by always doing a btrfs_put_root() call under the 'out' label. This is a problem that exists since qgroups were first added in 2012 by commit bed92eae26cc ("Btrfs: qgroup implementation and prototypes"), but back then we missed a kfree on the quota root and free_extent_buffer() calls on its root and commit root nodes, since back then roots were not yet reference counted.


Metrics

 
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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/5ef3961682e5310f2221bae99bcf9f5d0f4b0d51 CVE, kernel.org Patch 
https://git.kernel.org/stable/c/7dd6a5b96157a21245566b21fd58276a214357ff CVE, kernel.org Patch 
https://git.kernel.org/stable/c/8a69529f22590b67bb018de9acbcf94abc8603cf CVE, kernel.org Patch 
https://git.kernel.org/stable/c/94818bdb00ef34a996a06aa63d11f591074cb757 CVE, kernel.org Patch 
https://git.kernel.org/stable/c/a7e4c6a3031c74078dba7fa36239d0f4fe476c53 CVE, kernel.org Patch 
https://git.kernel.org/stable/c/f88aeff5a173e8ba3133314eb4b964236ef3589d CVE, kernel.org Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-401 Missing Release of Memory after Effective Lifetime cwe source acceptance level NIST  

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-41078
NVD Published Date:
07/29/2024
NVD Last Modified:
09/26/2025
Source:
kernel.org