Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Prevent the release of journal inode after journal shutdown. Before calling ocfs2deleteosb, the function ocfs2journalshutdown has already been executed in ocfs2dismountvolume. Therefore, osb-journal must be NULL. As a...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: fs: relax assertions on failure to encode file handles CVE-2024-57924 In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. CVE-2025-231...

ocfs2: prevent release journal inode after journal shutdown

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CVE-2025-39842

In the Linux kernel, the following vulnerability has been resolved: ocfs2: prevent release journal inode after journal shutdown Before calling ocfs2deleteosb, ocfs2journalshutdown has already been executed in ocfs2dismountvolume, so osb-journal must be NULL. Therefore, the following calltrace wil...

DEBIAN-CVE-2025-39842

In the Linux kernel, the following vulnerability has been resolved: ocfs2: prevent release journal inode after journal shutdown Before calling ocfs2deleteosb, ocfs2journalshutdown has already been executed in ocfs2dismountvolume, so osb-journal must be NULL. Therefore, the following calltrace wil...

AZL-67529 CVE-2025-39842 affecting package kernel for versions less than 6.6.112.1-1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: prevent release journal inode after journal shutdown Before calling ocfs2deleteosb, ocfs2journalshutdown has already been executed in ocfs2dismountvolume, so osb-journal must be NULL. Therefore, the following calltrace wil...

CVE-2025-39842

CVE-2025-39842 : In the Linux kernel, the ocfs2 path could dereference a NULL journal pointer when releasing an inode during journal shutdown. The root cause was calling jbd2_journal_release_jbd_inode() with osb->journal potentially NULL after ocfs2_journal_shutdown(). The fix is to add explic...

CVE-2025-39842 ocfs2: prevent release journal inode after journal shutdown

In the Linux kernel, the following vulnerability has been resolved: ocfs2: prevent release journal inode after journal shutdown Before calling ocfs2deleteosb, ocfs2journalshutdown has already been executed in ocfs2dismountvolume, so osb-journal must be NULL. Therefore, the following calltrace wil...

CVE-2025-39842 ocfs2: prevent release journal inode after journal shutdown

In the Linux kernel, the following vulnerability has been resolved: ocfs2: prevent release journal inode after journal shutdown Before calling ocfs2deleteosb, ocfs2journalshutdown has already been executed in ocfs2dismountvolume, so osb-journal must be NULL. Therefore, the following calltrace wil...

CVE-2025-39842

In the Linux kernel, the following vulnerability has been resolved: ocfs2: prevent release journal inode after journal shutdown Before calling ocfs2deleteosb, ocfs2journalshutdown has already been executed in ocfs2dismountvolume, so osb-journal must be NULL. Therefore, the following calltrace wil...

PT-2025-38549

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the ocfs2 subsystem. Specifically, a null-pointer dereference can occur during the journal shutdown process due to a race condition where...

The vulnerability of the ocfs2_journal_shutdown() function in the ocfs2 component of the Linux kernel allows a attacker to cause a service failure.

The vulnerability of the ocfs2journalshutdown function in the ocfs2 component of the Linux operating system is related to the assignment of the NULL pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...