CVE-2026-64156

In the Linux kernel, the following vulnerability has been resolved: netfs, afs: Fix write skipping in dir/link writepages Fix netfswritesingle and afssinglewritepages to better handle a write that would be skipped due to lock contention and WBSYNCNONE by returning 1 from netfswritesingle if it...

CVE-2026-64157

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix partial invalidation of streaming-write folio In netfsinvalidatefolio, if the region of a partial invalidation overlaps the front but not all of a dirty write cached in a streaming write page dirty, but not uptodate,...

CVE-2026-64156 netfs, afs: Fix write skipping in dir/link writepages

In the Linux kernel, the following vulnerability has been resolved: netfs, afs: Fix write skipping in dir/link writepages Fix netfswritesingle and afssinglewritepages to better handle a write that would be skipped due to lock contention and WBSYNCNONE by returning 1 from netfswritesingle if it...

CVE-2026-64156

The CVE-2026-64156 vulnerability affects the Linux kernel’s netfs and AFS components. It arises when a write is skipped due to lock contention and WB_SYNC_NONE, potentially failing to re-mark the inode. The documented fix modifies netfs_write_single() to return 1 when a skip occurs and updates af...

CVE-2026-64068

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing locking around retry adding new subreqs Fix netfsretryreadsubrequests and netfsretrywritestream to take the appropriate lock when adding extra subrequests into stream-subrequests...

EUVD-2026-45641

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing locking around retry adding new subreqs Fix netfsretryreadsubrequests and netfsretrywritestream to take the appropriate lock when adding extra subrequests into stream-subrequests...

CVE-2026-64068 netfs: Fix missing locking around retry adding new subreqs

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing locking around retry adding new subreqs Fix netfsretryreadsubrequests and netfsretrywritestream to take the appropriate lock when adding extra subrequests into stream-subrequests...

CVE-2026-64065 netfs: fix VM_BUG_ON_FOLIO() issue in netfs_write_begin() call

In the Linux kernel, the following vulnerability has been resolved: netfs: fix VMBUGONFOLIO issue in netfswritebegin call The multiple runs of generic/013 test-case is capable to reproduce a kernel BUG at mm/filemap.c:1504 with probability of 30%. while true; do sudo ./check generic/013 done...

CVE-2026-64065

CVE-2026-64065 affects the Linux kernel's netfs subsystem , specifically a VM_BUG_ON_FOLIO() assertion failure in netfs_write_begin() . The root cause is that folio_unlock() is called on an already-unlocked folio (at mm/filemap.c:1504), triggered through the Ceph filesystem write path (ceph_write...

CVE-2026-64065

In the Linux kernel, the following vulnerability has been resolved: netfs: fix VMBUGONFOLIO issue in netfswritebegin call The multiple runs of generic/013 test-case is capable to reproduce a kernel BUG at mm/filemap.c:1504 with probability of 30%. while true; do sudo ./check generic/013 done...

CVE-2026-64065 netfs: fix VM_BUG_ON_FOLIO() issue in netfs_write_begin() call

In the Linux kernel, the following vulnerability has been resolved: netfs: fix VMBUGONFOLIO issue in netfswritebegin call The multiple runs of generic/013 test-case is capable to reproduce a kernel BUG at mm/filemap.c:1504 with probability of 30%. while true; do sudo ./check generic/013 done...

EUVD-2026-45636

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix streaming write being overwritten In order to avoid reading whilst writing, netfslib will allow "streaming writes" in which dirty data is stored directly into folios without reading them first. Such folios are marked...

CVE-2026-64062

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...

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...

CVE-2026-64062

CVE-2026-64062 is a deadlock in the Linux kernel's netfs (network file systems library) subsystem, specifically in netfs_advance_writethrough(). In write-through mode , the function could fail to unlock the supplied folio before marking it dirty, leading to a deadlock against mmapped reads and wr...

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...

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-2026-45633

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix leak of request in netfswritebegin error handling Fix netfswritebegin to not leak our ref on the request in the event that we get an error from netfswaitforread...

CVE-2026-64060

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix leak of request in netfswritebegin error handling Fix netfswritebegin to not leak our ref on the request in the event that we get an error from netfswaitforread...

CVE-2026-64060

CVE-2026-64060 is a reference-counting bug in the Linux kernel's netfs subsystem . The function netfs_write_begin() fails to drop its reference on a request object when netfs_wait_for_read() returns an error, resulting in a resource leak (memory/pointer leak) on each failed write path. The NVD-as...