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-2026-64064 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-2026-64063 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-2026-64062 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-2026-64061 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...

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...

CVE-2026-64056 net: ethernet: cortina: Make RX SKB per-port

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: cortina: Make RX SKB per-port The SKB used to assemble packets from fragments in gmacrx is static local, but the Gemini has two ethernet ports, meaning there can be races between the ports on a bad day if a device ...

CVE-2026-64055 net: ethernet: cortina: Carry over frag counter

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: cortina: Carry over frag counter The gmacrx NAPI poll function assembles packets in an SKB from a ring buffer. If the ring buffer gets completely emptied during a poll cycle, we exit gmacrx, but the packet is not y...

CVE-2026-64054 net: shaper: reject duplicate leaves in GROUP request

In the Linux kernel, the following vulnerability has been resolved: net: shaper: reject duplicate leaves in GROUP request netshapernlgroupdoit does not deduplicate NETSHAPERALEAVES entries. When userspace supplies the same leaf handle twice, the same old-parent pointer lands twice in oldnodes. Th...

CVE-2026-64052 block: bio-integrity: Fix null-ptr-deref in bio_integrity_map_user()

In the Linux kernel, the following vulnerability has been resolved: block: bio-integrity: Fix null-ptr-deref in biointegritymapuser pinuserpagesfast can partially succeed and return the number of pages that were actually pinned. However, the biointegritymapuser does not handle this partial pinnin...

CVE-2026-64053 block: don't overwrite bip_vcnt in bio_integrity_copy_user()

In the Linux kernel, the following vulnerability has been resolved: block: don't overwrite bipvcnt in biointegritycopyuser biointegrityaddpage already sets bipvcnt to 1 for the bounce segment. Overwriting it with nrvecs breaks bipvcnt = bipmaxvcnt on WRITE bipmaxvcnt is 1, so the gap-merge checks...

CVE-2026-64051 accel/qaic: Add overflow check to remap_pfn_range during mmap

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Add overflow check to remappfnrange during mmap The call to remappfnrange in qaicgemobjectmmap is susceptible to remapping beyond the VMA if the BO is too large. This can cause use after free issues when munmap unmaps...

CVE-2026-64050 drm/msm/dpu: don't mix devm and drmm functions

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: don't mix devm and drmm functions Mixing devm and drmm functions will result in a use-after-free on msm driver teardown if userspace keeps a reference on the drm device: The WB connector data will be destroyed becaus...

CVE-2026-64049 drm/msm/adreno: fix userspace-triggered crash on a2xx-a4xx

In the Linux kernel, the following vulnerability has been resolved: drm/msm/adreno: fix userspace-triggered crash on a2xx-a4xx Before a5xx Adreno driver will not try fetching UBWC params because those generations didn't support UBWC anyway, however it's still possible to query UBWC-related params...