CVE-2026-64062

The CVE-2026-64062 issue affects the Linux kernel netfs subsystem, specifically a deadlock risk in write-through mode. The fix in netfs_advance_writethrough() ensures the supplied folio is always unlocked and marked dirty if not yet at the end; however, writeback cannot occur until the folio is d...

CVE-2026-64062 netfs: Fix potential deadlock in write-through mode

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix potential deadlock in write-through mode Fix netfsadvancewritethrough to always unlock the supplied folio and to mark it dirty if it isn't yet written to the end. Unfortunately, it can't be marked for writeback until t...

EUVD-2026-45635

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix potential deadlock in write-through mode Fix netfsadvancewritethrough to always unlock the supplied folio and to mark it dirty if it isn't yet written to the end. Unfortunately, it can't be marked for writeback until t...

PT-2026-61379

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix potential deadlock in write-through mode Fix netfs advance writethrough to always unlock the supplied folio and to mark it dirty if it isn't yet written to the end. Unfortunately, it can't be marked for writeback until...

CVE-2024-36001

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix the pre-flush when appending to a file in writethrough mode In netfsperformwrite, when the file is marked NETFSICTXWRITETHROUGH or OSYNC or RWFSYNC was specified, write-through caching is performed on a buffered file...

CVE-2024-36001 netfs: Fix the pre-flush when appending to a file in writethrough mode

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix the pre-flush when appending to a file in writethrough mode In netfsperformwrite, when the file is marked NETFSICTXWRITETHROUGH or OSYNC or RWFSYNC was specified, write-through caching is performed on a buffered file...

CVE-2024-36001

Mode C (detailed). CVE-2024-36001 affects the Linux kernel netfs write path for buffered files under write-through caching. The root cause: in netfs_perform_write(), when a file is marked for writethrough or O_*SYNC/RWF_*SYNC, the code previously skipped the flush and wait if writing at/above EOF...

CVE-2024-36001 netfs: Fix the pre-flush when appending to a file in writethrough mode

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix the pre-flush when appending to a file in writethrough mode In netfsperformwrite, when the file is marked NETFSICTXWRITETHROUGH or OSYNC or RWFSYNC was specified, write-through caching is performed on a buffered file...

UBUNTU-CVE-2021-41072

squashfsopendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link and then contents under the same filename in a filesystem can cause unsquashfs to first create th...

squashfs-tools 后置链接漏洞

squashfs-tools is an open source software package. A security vulnerability in squashfsopendir in unsquash-2.c in Squashfs-Tools 4.5 arises from the fact that a well-designed squashfs filesystem contains a symbolic link, and then the contents of the same filesystem under the same filename causes...

Data corruption due to unreliable SMB (CIFS) shares

Challenge Storages that use the SMB CIFS protocol without the continuous availability and write-through features can cause data corruption in case of technical outages. This can lead to restore or backup problems. Cause If shares operate without the continuous availability feature in the...