CVE-2026-64076 netfilter: bridge: eb_tables: close module init race

In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: ebtables: close module init race sashiko reports for unrelated patch: Does the core ebtables initialization in ebtables.c suffer from a similar race? Once nfregistersockopt completes, the sockopts are exposed...

CVE-2026-64075 fprobe: Fix unregister_fprobe() to wait for RCU grace period

In the Linux kernel, the following vulnerability has been resolved: fprobe: Fix unregisterfprobe to wait for RCU grace period Commit 4346ba1604093 "fprobe: Rewrite fprobe on function-graph tracer" changed fprobe to register struct fprobe to an rcu-hlist, but it forgot to wait for RCU GP. Thus the...

CVE-2026-64074 fs/statmount: fix slab out-of-bounds write in statmount_mnt_idmap

In the Linux kernel, the following vulnerability has been resolved: fs/statmount: fix slab out-of-bounds write in statmountmntidmap statmountmntidmap writes one mapping with seqprintf and then manually advances seq-count to include the NUL separator. If seqprintf overflows, seqsetoverflow sets...

CVE-2026-64073 irq_work: Fix use-after-free in irq_work_single() on PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: irqwork: Fix use-after-free in irqworksingle on PREEMPTRT On PREEMPTRT, non-HARD irqwork runs in per-CPU kthreads via runirqworkd, so irqworksync uses rcuwait to wait for BUSY==0. After irqworksingle clears BUSY via atomiccmpxchg...

CVE-2026-64072 nvme: fix bio leak on mapping failure

In the Linux kernel, the following vulnerability has been resolved: nvme: fix bio leak on mapping failure The local bio is always NULL, so we'd leak the bio if the integrity mapping failed. Just get it directly from the request...

CVE-2026-64071 nvme-pci: fix use-after-free in nvme_free_host_mem()

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix use-after-free in nvmefreehostmem nvmefreehostmem frees dev-hmbsgt via dmafreenoncontiguous but never clears the pointer afterward. This leads to a use-after-free if nvmefreehostmem is called twice in the same error...

CVE-2026-64070 powerpc/hv-gpci: fix preempt count leak in sysfs show paths

In the Linux kernel, the following vulnerability has been resolved: powerpc/hv-gpci: fix preempt count leak in sysfs show paths Four sysfs show callbacks in hv-gpci take getcpuvarhvgpcireqb which calls preemptdisable but only call the matching putcpuvar on the error path under the 'out:' label...

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-2026-64069 netfs: Fix cancellation of a DIO and single read subrequests

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix cancellation of a DIO and single read subrequests When the preparation of a new subrequest for a read fails, if the subrequest has already been added to the stream-subrequests list, it can't simply be put and abandoned...

CVE-2026-64067 netfs: Fix missing barriers when accessing stream->subrequests locklessly

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing barriers when accessing stream-subrequests locklessly The list of subrequests attached to stream-subrequests is accessed without locks by netfscollectreadresults and netfscollectwriteresults, and then they acce...

CVE-2026-64066 netfs: Fix netfs_read_to_pagecache() to pause on subreq failure

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsreadtopagecache to pause on subreq failure Fix netfsreadtopagecache so that it pauses the generation of new subrequests if an already-issued subrequest fails...

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-2026-64063 netfs: Fix streaming write being overwritten

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-2026-64064 netfs: Fix netfs_invalidate_folio() to clear dirty bit if all changes gone

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsinvalidatefolio to clear dirty bit if all changes gone If a streaming write is made, this will leave the relevant modified folio in a not-uptodate, but dirty state with a netfsfolio struct hung off of folio-privat...

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-2026-64060 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-2026-64059 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...

CVE-2026-64057 afs: Fix the locking used by afs_get_link()

In the Linux kernel, the following vulnerability has been resolved: afs: Fix the locking used by afsgetlink The afs filesystem in the kernel doesn't do locking correctly for symbolic links. There are a number of problems: 1 It doesn't do any locking around afsreadsingle to prevent races between...

CVE-2026-64058 netfs: Fix netfs_read_folio() to wait on writeback

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsreadfolio to wait on writeback Fix netfsreadfolio to wait for an ongoing writeback to complete so that it can trust the dirty flag and whatever is attached to folio-private folio-private may get cleaned up by the...