In the Linux kernel, the following vulnerability has been resolved:
nilfs2: fix use-after-free of timer for log writer thread
Patch series "nilfs2: fix log writer related issues".
This bug fix series covers three nilfs2 log writer-related issues,
including a timer use-after-free issue and potential deadlock issue on
unmount, and a potential freeze issue in event synchronization found
during their analysis. Details are described in each commit log.
This patch (of 3):
A use-after-free issue has been reported regarding the timer sc_timer on
the nilfs_sc_info structure.
The problem is that even though it is used to wake up a sleeping log
writer thread, sc_timer is not shut down until the nilfs_sc_info structure
is about to be freed, and is used regardless of the thread's lifetime.
Fix this issue by limiting the use of sc_timer only while the log writer
thread is alive.
Metrics
Affected Vendors & Products
References
History
Thu, 12 Sep 2024 08:30:00 +0000
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Wed, 11 Sep 2024 13:30:00 +0000
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MITRE
Status: PUBLISHED
Assigner: Linux
Published: 2024-06-19T13:37:39.858Z
Updated: 2024-09-11T17:34:55.339Z
Reserved: 2024-06-18T19:36:34.928Z
Link: CVE-2024-38583
Vulnrichment
Updated: 2024-08-02T04:12:25.825Z
NVD
Status : Analyzed
Published: 2024-06-19T14:15:18.397
Modified: 2024-08-01T19:51:12.837
Link: CVE-2024-38583
Redhat