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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2024-38582 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential hang in nilfs_detach_log_writer() Syzbot has reported a potential hang in nilfs_detach_log_writer() called during nilfs2 unmount. Analysis revealed that this is because nilfs_segctor_sync(), which synchronizes with the log writer thread, can be called after nilfs_segctor_destroy() terminates that thread, as shown in the call trace below: nilfs_detach_log_writer nilfs_segctor_destroy nilfs_segctor_kill_thread --> Shut down log writer thread flush_work nilfs_iput_work_func nilfs_dispose_list iput nilfs_evict_inode nilfs_transaction_commit nilfs_construct_segment (if inode needs sync) nilfs_segctor_sync --> Attempt to synchronize with log writer thread *** DEADLOCK *** Fix this issue by changing nilfs_segctor_sync() so that the log writer thread returns normally without synchronizing after it terminates, and by forcing tasks that are already waiting to complete once after the thread terminates. The skipped inode metadata flushout will then be processed together in the subsequent cleanup work in nilfs_segctor_destroy().


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.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/06afce714d87c7cd1dcfccbcd800c5c5d2cf1cfd CVE, kernel.org Patch 
https://git.kernel.org/stable/c/1c3844c5f4eac043954ebf6403fa9fd1f0e9c1c0 CVE, kernel.org Patch 
https://git.kernel.org/stable/c/6e5c8e8e024e147b834f56f2115aad241433679b CVE, kernel.org Patch 
https://git.kernel.org/stable/c/911d38be151921a5d152bb55e81fd752384c6830 CVE, kernel.org Patch 
https://git.kernel.org/stable/c/a8799662fed1f8747edae87a1937549288baca6a CVE, kernel.org Patch 
https://git.kernel.org/stable/c/bc9cee50a4a4ca23bdc49f75ea8242d8a2193b3b CVE, kernel.org Patch 
https://git.kernel.org/stable/c/c516db6ab9eabbedbc430b4f93b0d8728e9b427f CVE, kernel.org Patch 
https://git.kernel.org/stable/c/eb85dace897c5986bc2f36b3c783c6abb8a4292e CVE, kernel.org Patch 
https://git.kernel.org/stable/c/eff7cdf890b02596b8d73e910bdbdd489175dbdb CVE, kernel.org Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-667 Improper Locking cwe source acceptance level NIST  

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-38582
NVD Published Date:
06/19/2024
NVD Last Modified:
04/01/2025
Source:
kernel.org