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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2023-53183 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: exit gracefully if reloc roots don't match [BUG] Syzbot reported a crash that an ASSERT() got triggered inside prepare_to_merge(). [CAUSE] The root cause of the triggered ASSERT() is we can have a race between quota tree creation and relocation. This leads us to create a duplicated quota tree in the btrfs_read_fs_root() path, and since it's treated as fs tree, it would have ROOT_SHAREABLE flag, causing us to create a reloc tree for it. The bug itself is fixed by a dedicated patch for it, but this already taught us the ASSERT() is not something straightforward for developers. [ENHANCEMENT] Instead of using an ASSERT(), let's handle it gracefully and output extra info about the mismatch reloc roots to help debug. Also with the above ASSERT() removed, we can trigger ASSERT(0)s inside merge_reloc_roots() later. Also replace those ASSERT(0)s with WARN_ON()s.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

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

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/05d7ce504545f7874529701664c90814ca645c5d kernel.org
https://git.kernel.org/stable/c/69dd147de419b04d1d8d2ca67ef424cddd5b8fd5 kernel.org
https://git.kernel.org/stable/c/9d04716e36654275aea00fb93fc9b30b850925e7 kernel.org
https://git.kernel.org/stable/c/a96b6519ac71583835cb46d74bc450de5a13877f kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-53183
NVD Published Date:
09/15/2025
NVD Last Modified:
09/15/2025
Source:
kernel.org