Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Writeback: Do not block sync for file systems with no data integrity guarantees. A SBINODATAINTEGRITY superblock flag was added for file systems that cannot guarantee data persistence during sync e.g., fuse. For superblocks with...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Writeback: Avoid use-after-free after removing a device. When a disk is removed, bdiunregister is called to stop further writeback operations and wait for the associated delayed tasks to complete. However, wb inodewritebackend ma...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: writeback: Fixed the use of “free” after deallocating memory in inodeswitchwbsworkfn. The function inodeswitchwbsworkfn has a loop like this: c wbgetnewwb; while 1 list = llistdelall&newwb-switchwbsctxs; / Nothing to do? / if !li...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: Fix to wait on block writeback in the postread case. If the inode is compressed but not encrypted, the function f2fswaitonblockwriteback was not called properly to wait for the GC-ed page writeback in the IPU write path...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: Make sure to wait for page writeback in memoryfailure. Our syzkaller triggers "BUGON!listempty&inode-iwblist" in clearinode: - Kernel bug at fs/inode.c:519! - Internal error: Oops – Bug: 0 1 SMP - Modules linke...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: Fixed the issue where f2fswaitonpagewriteback was called in f2fswriterawpages. A BUG will be triggered when writing files concurrently, because the same page may be written back multiple times. The bug occurs at...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: The issue was fixed by dropping all dirty pages during umount if cperror is set. The xfstest generic/361 report indicates a bug as follows: f2fsbugonsbi, sbi-fsyncnodenum; Kernel bug located at fs/f2fs/super.c:1627! RIP:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cifs: Fixed data corruption during writeback operations. The cifswriteback mechanism does not properly handle the situation where cifsextendwriteback reaches a point where an additional folio needs to be processed. This could...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: afs: Fixed page leak There is a loop in afaxtendwriteback that adds extra pages to the write operation. We want to improve the efficiency of this write-back process by making the write operation larger. However, this loop stops i...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ubifs: Fixed a deadlock issue in concurrent rename whiteout and inode writeback processes. Related tasks with deadlocks: 77.028764 Task: kworker/u8:4 State: D Stack: 0 PID: 132 77.028820 Call trace: 77.029027 schedule+0x8c/0x1...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: checked for a null return from devmkzalloc in dpuwritebackinit. Due to the possible failure of devmkzalloc, dpuwbconn might be NULL, which could lead to a null pointer derefrence later. Therefore, it might be better ...

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

In the Linux kernel, the following vulnerabilities have been resolved: Nilfs2: Fixed a hang issue in nilfslookupdirtydatabuffers. Syzbot reported a hang issue in migratepagesbatch, called by mbind, and nilfslookupdirtydatabuffers, called in the log writer of nilfs2. While migratepagesbatch locks ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a deadlock in nilfscountfreeblocks A semaphore deadlock can occur if nilfsgetblock detects metadata corruption while locating data blocks, and a superblock writeback occurs at the same time: task 1 task 2 ------...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021555)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021555 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: avoid deadlock in fs reclaim with page writeback Ext4 has a filesystem wide lock protectin...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021574)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021574 advisory. In the Linux kernel, the following vulnerability has been resolved: mm: fix zswap writeback race condition The zswap writeback mechanism can cause a race condition...

kernel: fs: writeback: fix use-after-free in __mark_inode_dirty()

In the Linux kernel, the following vulnerability has been resolved: fs: writeback: fix use-after-free in markinodedirty An use-after-free issue occurred when markinodedirty get the bdiwriteback that was in the progress of switching. CPU: 1 PID: 562 Comm: systemd-random- Not tainted...

kernel: fs: writeback: fix use-after-free in __mark_inode_dirty()

In the Linux kernel, the following vulnerability has been resolved: fs: writeback: fix use-after-free in markinodedirty An use-after-free issue occurred when markinodedirty get the bdiwriteback that was in the progress of switching. CPU: 1 PID: 562 Comm: systemd-random- Not tainted...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: bonding: check xdp prog when set bond mode CVE-2025-22105 kernel: block: fix resource leak in blkregisterqueue error path CVE-2025-37980 kernel: dmaengine: idxd: fix memory leak in error...

ALSA-2026:18587 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: bonding: check xdp prog when set bond mode CVE-2025-22105 kernel: block: fix resource leak in blkregisterqueue error path CVE-2025-37980 kernel: dmaengine: idxd: fix memory leak in error...

CVE-2026-43188

In the Linux kernel, the following vulnerability has been resolved: ceph: do not propagate page array emplacement errors as batch errors When fscrypt is enabled, movedirtyfolioinpagearray may fail because it needs to allocate bounce buffers to store the encrypted versions of each folio. Each foli...