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

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-2026-45634

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix early put of sink folio in netfsreadgaps Fix netfsreadgaps to release the sink page it uses after waiting for the request to complete. The way the sink page is used is that an ITERBVEC-class iterator is created that ha...

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-2026-64061 netfs: Fix early put of sink folio in netfs_read_gaps()

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix early put of sink folio in netfsreadgaps Fix netfsreadgaps to release the sink page it uses after waiting for the request to complete. The way the sink page is used is that an ITERBVEC-class iterator is created that ha...

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-2026-64061

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix early put of sink folio in netfsreadgaps Fix netfsreadgaps to release the sink page it uses after waiting for the request to complete. The way the sink page is used is that an ITERBVEC-class iterator is created that ha...

CVE-2026-64061

The CVE-2026-64061 entry concerns a use-after-free in the Linux kernel netfs layer (netfs_read_gaps) where the sink page is prematurely released during a network read, enabling memory corruption. The issue was observed via KASAN in a cifsd-based trace and is described across multiple vendors (Red...

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...

CVE-2026-64060 netfs: Fix leak of request in netfs_write_begin() error handling

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-2026-64061 netfs: Fix early put of sink folio in netfs_read_gaps()

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix early put of sink folio in netfsreadgaps Fix netfsreadgaps to release the sink page it uses after waiting for the request to complete. The way the sink page is used is that an ITERBVEC-class iterator is created that ha...

CVE-2026-64060 netfs: Fix leak of request in netfs_write_begin() error handling

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-2026-64059 netfs: Fix folio->private handling in netfs_perform_write()

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix folio-private handling in netfsperformwrite Under some circumstances, netfsperformwrite doesn't correctly manipulate folio-private between NULL, NETFSFOLIOCOPYTOCACHE, pointing to a group and pointing to a netfsfolio...

EUVD-2026-45632

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix folio-private handling in netfsperformwrite Under some circumstances, netfsperformwrite doesn't correctly manipulate folio-private between NULL, NETFSFOLIOCOPYTOCACHE, pointing to a group and pointing to a netfsfolio...

CVE-2026-64059

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix folio-private handling in netfsperformwrite Under some circumstances, netfsperformwrite doesn't correctly manipulate folio-private between NULL, NETFSFOLIOCOPYTOCACHE, pointing to a group and pointing to a netfsfolio...

CVE-2026-64059

CVE-2026-64059 affects the Linux kernel 's netfs (network file systems) library. The root cause is incorrect handling of folio->private in netfs_perform_write(), where the field is not properly managed between its various states (NULL, NETFS_FOLIO_COPY_TO_CACHE, group pointer, and netfs_folio ...

CVE-2026-64059 netfs: Fix folio->private handling in netfs_perform_write()

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix folio-private handling in netfsperformwrite Under some circumstances, netfsperformwrite doesn't correctly manipulate folio-private between NULL, NETFSFOLIOCOPYTOCACHE, pointing to a group and pointing to a netfsfolio...