Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: jbd2: fixed data-race and null-ptr-deref in jbd2journaldirtymetadata Since handle-htransaction may be a NULL pointer, we should change it by calling ishandleabortedhandle before dereferencing it. The following data-race was...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for leaking uninitialized memory in the fast-commit journal When space at the end of the fast-commit journal blocks is unused, make sure to zero it out so that uninitialized memory is not leaked to the disk...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fixed the nullptrderef issue when the journal load failed. During the mounting process, if journalReset fails due to a too-short journal, it causes jbd2journalload to fail with a NULL jsbbuffer. Subsequently,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a potential out-of-bound read issue in ext4fcreplayscan. For the scan loop, it is necessary to ensure that at least EXT4FCTAGBASELEN space is available. If the remaining space is less than EXT4FCTAGBASELEN, it may lea...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: jbd2: avoided the bugon in jbd2journalgetcreateaccess when the file system is corrupted. The issue occurs when the file system is corrupted: ------------ cut here ------------ Kernel BUG at fs/jbd2/transaction.c:1289! Oops:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fixed a race condition between searching chunks and releasing the journalhead from the bufferhead. A race condition was encountered between ocfs2testbgbitallocatable and jbd2journalputjournalhead, resulting in the followin...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed the idatasem unlock order in ext4indmigrate Fuzzing reported a potential deadlock in jbd2logwaitcommit. This issue occurs when the EXT4IOCMIGRATE ioctl is set to require synchronous updates because the file...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: jbd2: Prevent softlockup in jbd2logdocheckpoint. Both jbd2logdocheckpoint and jbd2journalshrinkcheckpointlist periodically release the jlistlock after processing a batch of buffers to avoid long hold times on the jlistlock...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bcache: Avoid a “journal no-space deadlock” by reserving 1 journal bucket. The “journal no-space deadlock” has been reported from time to time. Such a deadlock can occur in the following situations: When all journal buckets are...

CVE-2026-74308

A flaw was found in the Linux kernel's ext4 filesystem. When the data=journal mount option is enabled, the ext4journalledwriteend function can incorrectly attempt to write inline data. This occurs if a prior attempt to convert inline data to an extent failed, leading to an inconsistent state. An...

CVE-2026-72161

A flaw was found in the ocfs2 component of the Linux kernel. A local user could trigger a NULL pointer dereference during the unmount process of an ocfs2 filesystem. This occurs because the system attempts to access a freed journal pointer, leading to a system crash and a Denial of Service DoS...

Linux Distros Unpatched Vulnerability : CVE-2026-72163

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: fix NULL htransaction deref in ocfs2assuretranscredits BUG A direct write over unwritten extents can panic the kernel in ocfs2assuretranscredits when the...

CVE-2026-74308

In the Linux kernel, the following vulnerability has been resolved: ext4: fix kernel BUG in ext4writeinlinedataend When the data=journal mount option is used, the ext4journalledwriteend function incorrectly calls ext4writeinlinedataend without checking if the EXT4STATEMAYINLINEDATA flag is still...

UBUNTU-CVE-2026-74308

In the Linux kernel, the following vulnerability has been resolved: ext4: fix kernel BUG in ext4writeinlinedataend When the data=journal mount option is used, the ext4journalledwriteend function incorrectly calls ext4writeinlinedataend without checking if the EXT4STATEMAYINLINEDATA flag is still...

CVE-2026-74308

In the Linux kernel, the following vulnerability has been resolved: ext4: fix kernel BUG in ext4writeinlinedataend When the data=journal mount option is used, the ext4journalledwriteend function incorrectly calls ext4writeinlinedataend without checking if the EXT4STATEMAYINLINEDATA flag is still...

CVE-2026-72225

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix integer underflow in jbd2journalinitializefastcommit jbd2journalinitializefastcommit validates journal capacity by checking journal-jlast - numfcblks JBD2MINJOURNALBLOCKS. Both jlast and numfcblks are unsigned, so when...

CVE-2026-72163

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix NULL htransaction deref in ocfs2assuretranscredits BUG A direct write over unwritten extents can panic the kernel in ocfs2assuretranscredits when the journal aborts during DIO completion. The crash is a general...

CVE-2026-72161

In the Linux kernel, the following vulnerability has been resolved: ocfs2: add journal NULL check in ocfs2checkpointinode During unmount, ocfs2journalshutdown frees the journal and sets osb-journal to NULL. Later, when VFS evicts remaining cached inodes, ocfs2evictinode - ocfs2clearinode -...

CVE-2026-72161

In the Linux kernel, the following vulnerability has been resolved: ocfs2: add journal NULL check in ocfs2checkpointinode During unmount, ocfs2journalshutdown frees the journal and sets osb-journal to NULL. Later, when VFS evicts remaining cached inodes, ocfs2evictinode - ocfs2clearinode -...

UBUNTU-CVE-2026-72225

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix integer underflow in jbd2journalinitializefastcommit jbd2journalinitializefastcommit validates journal capacity by checking journal-jlast - numfcblks JBD2MINJOURNALBLOCKS. Both jlast and numfcblks are unsigned, so when...