[PATCH 5.15 00/76] 5.15.218-rc1 review

From: Greg Kroah-Hartman

Date: Tue Aug 25 2026 - 10:04:23 EST


This is the start of the stable review cycle for the 5.15.218 release.
There are 76 patches in this series, all will be posted as a response
to this one. If anyone has any issues with these being applied, please
let me know.

Responses should be made by Thu, 27 Aug 2026 13:25:02 +0000.
Anything received after that time might be too late.

The whole patch series can be found in one patch at:
https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.218-rc1.gz
or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Linux 5.15.218-rc1

Michael Bommarito <michael.bommarito@xxxxxxxxx>
HID: hyperv: validate initial device info bounds

Haoxiang Li <haoxiang_li2024@xxxxxxx>
HID: sensor: custom: Fix use-after-free in enable_sensor

Jann Horn <jannh@xxxxxxxxxx>
HID: core: fix number/pointer type confusion on long items

Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
can: isotp: fix timer drain order, wakeup handling and tx_gen ordering

Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
can: use skb hash instead of private variable in headroom

Qing Luo <luoqing@xxxxxxxxxx>
mptcp: pm: fix data race in add_addr timer callback

Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
mptcp: pm: ADD_ADDR rtx: free sk if last

Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
mptcp: pm: ADD_ADDR rtx: always decrease sk refcount

Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
mptcp: pm: ADD_ADDR rtx: allow ID 0

Donglin Lyu <DongLin_Lyu@xxxxxxxxxxx>
Input: atkbd - skip deactivate for HONOR ZQC-P

Cryolitia PukNgae <cryolitia.pukngae@xxxxxxxxx>
Input: atkbd - skip deactivate for HONOR FMB-P's internal keyboard

Eric Farman <farman@xxxxxxxxxxxxx>
s390/vfio_ccw: Free all memory if cp_init() fails

Joanne Koong <joannelkoong@xxxxxxxxx>
iomap: adjust read range correctly for non-block-aligned positions

Sean Christopherson <seanjc@xxxxxxxxxx>
KVM: x86: Retry page fault if MMU reload is pending and root has no sp

Xiang Mei (Microsoft) <xmei5@xxxxxxx>
xfrm: fix sk_dst_cache double-free in xfrm_user_policy()

Baul Lee <baul.lee@xxxxxxxx>
HID: core: fix OOB read of field->usage in hid_set_field()

Lee Jones <lee@xxxxxxxxxx>
HID: magicmouse: Prevent out-of-bounds (OOB) read during DOUBLE_REPORT_ID

Jose Villaseñor Montfort <pepemontfort@xxxxxxxxx>
HID: magicmouse: do not keep a stale msc->input if no input is claimed

Sean Christopherson <seanjc@xxxxxxxxxx>
KVM: x86: Check for invalid/obsolete root *after* making MMU pages available

David Matlack <dmatlack@xxxxxxxxxx>
KVM: x86/mmu: Rename __direct_map() to direct_map()

David Matlack <dmatlack@xxxxxxxxxx>
KVM: x86/mmu: Split out TDP MMU page fault handling

Chao Peng <chao.p.peng@xxxxxxxxxxxxxxx>
KVM: Rename mmu_notifier_* to mmu_invalidate_*

Sean Christopherson <seanjc@xxxxxxxxxx>
KVM: x86/mmu: Document the "rules" for using host_pfn_mapping_level()

Sean Christopherson <seanjc@xxxxxxxxxx>
KVM: x86/mmu: Rename pte_list_{destroy,remove}() to show they zap SPTEs

Sean Christopherson <seanjc@xxxxxxxxxx>
KVM: x86/mmu: Directly "destroy" PTE list when recycling rmaps

Sean Christopherson <seanjc@xxxxxxxxxx>
KVM: x86/mmu: Retry page fault if root is invalidated by memslot update

Dawid Wróbel <me@xxxxxxxxxxxxxxx>
ASoC: codecs: lpass-tx-macro: Fix enum kcontrol accesses

Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
mptcp: avoid combining some incoming suboptions

Eric Farman <farman@xxxxxxxxxxxxx>
s390/vfio_ccw: Implement a crw lock

Eric Farman <farman@xxxxxxxxxxxxx>
s390/vfio_ccw: Selectively expand io_mutex

Eric Farman <farman@xxxxxxxxxxxxx>
s390/vfio_ccw: Ensure index for read/write regions are within range

Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
nvmet-tcp: Do not WARN on remotely-controlled oversized SGL allocations

Jiang HongHui <jiang_hh2019@xxxxxxx>
nvmet-fc: fix invalid free in LS IOD error path

Luxiao Xu <rakukuip@xxxxxxxxx>
ipv6: fix use-after-free in ip6_finish_output2()

Yong Wang <edragain@xxxxxxx>
ipv4: reject undersized MTUs in ip_do_fragment()

Yang Wang <kevinyang.wang@xxxxxxx>
drm/amdgpu: check ASPM on the dGPU host link

Pavitra Jha <jhapavitra98@xxxxxxxxx>
libceph: fix OOB read in decode_watchers() via missing bounds check

Linmao Li <lilinmao@xxxxxxxxxx>
nfc: nci: free destination parameters when closing a connection

Samuel Page <sam@xxxxxxxx>
nfc: nci: fix uninit-value in the RF discover/activated NTF handlers

Samuel Page <sam@xxxxxxxx>
nfc: nci: fix out-of-bounds write in nci_target_auto_activated()

Doruk Tan Ozturk <doruk@xxxxxxx>
nfc: st21nfca: validate ATR_REQ length against the received frame

Xu Rao <raoxu@xxxxxxxxxxxxx>
nfc: pn533: purge fragmented skbs during cleanup

Doruk Tan Ozturk <doruk@xxxxxxx>
nfc: llcp: reject PDUs shorter than the LLCP header

Muhammad Bilal <meatuni001@xxxxxxxxx>
nfc: llcp: fix OOB read and u8 offset wrap in TLV parsers

Doruk Tan Ozturk <doruk@xxxxxxx>
nfc: llcp: bound the connect_sn TLV walk to the skb

Pengpeng Hou <pengpeng@xxxxxxxxxxx>
nfc: microread: validate target discovery payload lengths

Bryam Vargas <hexlabsecurity@xxxxxxxxx>
nfc: fdp: bound the device-reported read length and fix an skb leak

Doruk Tan Ozturk <doruk@xxxxxxx>
nfc: digital: clamp SENSF_RES length to the destination buffer

Ibrahim Hashimov <security@xxxxxxxxxxxx>
xfs: bounds-check buffer log item's dirty bitmap

Eric Farman <farman@xxxxxxxxxxxxx>
s390/vfio_ccw: Cancel existing workqueues

Pei Xiao <xiaopei01@xxxxxxxxxx>
mmc: atmel-mci: Fix use-after-free in atmci_remove due to race condition

Zhiling Zou <zhilinz@xxxxxxxxxx>
inet: frags: publish queues before arming timer

Zihan Xi <zihanx@xxxxxxxxxx>
packet: synchronize pressure clearing with ring reconfiguration

Zijie Huang <milkory@xxxxxxxxxxx>
net/sched: reject overly deep qdisc hierarchies

Qihang Tang <q.h.hack.winter@xxxxxxxxx>
packet: use consistent hard_header_len in TX_RING send path

Qihang Tang <q.h.hack.winter@xxxxxxxxx>
packet: use consistent hard_header_len in non-ring send paths

Fan Wu <fanwu01@xxxxxxxxxx>
serial: amba-pl011: synchronize DMA teardown

Koichiro Den <den@xxxxxxxxxxxxx>
NTB: ntb_netdev: Preserve RX queue depth on allocation failure

Aditya Chillara <aditya.chillara@xxxxxxxxxxxxxxxx>
perf/core: Fix group leader use-after-free after sibling detach

Yeoreum Yun <yeoreum.yun@xxxxxxx>
perf: Fix dangling cgroup pointer in cpuctx

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
perf: Fix cgroup state vs ERROR

Yeoreum Yun <yeoreum.yun@xxxxxxx>
perf/core: Fix child_total_time_enabled accounting bug at task exit

Ekansh Gupta <ekansh.gupta@xxxxxxxxxxxxxxxx>
misc: fastrpc: Remove buffer from list prior to unmap operation

Abel Vesa <abel.vesa@xxxxxxxxxx>
misc: fastrpc: Rework fastrpc_req_munmap

Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
misc: fastrpc: separate fastrpc device from channel context

Lorenzo Stoakes (ARM) <ljs@xxxxxxxxxx>
mm/huge_memory: fix huge_zero_pfn race

Junjie Cao <junjie.cao@xxxxxxxxx>
gpio: ml-ioh: use raw_spinlock_t for the register lock

Hongling Zeng <zenghongling@xxxxxxxxxx>
xfs: validate attr entry pointer before field access

Guanghui Yang <3497809730@xxxxxx>
ext4: clear error before retrying inode xattr space fallback

Matthias Goergens <matthias.goergens@xxxxxxxxx>
ext4: stop retrying saturated xattr cache entries

Rik van Riel <riel@xxxxxxxxxxx>
null_blk: fix UBSAN shift-out-of-bounds when zone_size is 0 or overflows

Ian Bridges <icb@xxxxxxxxxxxx>
ocfs2: fix missing metadata reservation for large xattrs

Takashi Iwai <tiwai@xxxxxxx>
ALSA: dummy: Check card index validity at probe

Griffin Kroah-Hartman <griffin@xxxxxxxxx>
rndis_host: add overflow check in rndis_rx_fixup()

Ali Ahmet Memis <ali@xxxxxxxxxxxxxx>
Bluetooth: RFCOMM: take rfcomm_mutex for the deferred setup accept

Steffen Persvold <spersvold@xxxxxxxxx>
PCI: host-generic: Fix NULL pointer dereference on 32-bit CAM systems


-------------

Diffstat:

Makefile | 4 +-
arch/arm64/kvm/mmu.c | 10 +-
arch/mips/kvm/mmu.c | 12 +-
arch/powerpc/include/asm/kvm_book3s_64.h | 2 +-
arch/powerpc/kvm/book3s_64_mmu_host.c | 4 +-
arch/powerpc/kvm/book3s_64_mmu_hv.c | 4 +-
arch/powerpc/kvm/book3s_64_mmu_radix.c | 6 +-
arch/powerpc/kvm/book3s_64_vio_hv.c | 2 +-
arch/powerpc/kvm/book3s_hv_nested.c | 2 +-
arch/powerpc/kvm/book3s_hv_rm_mmu.c | 8 +-
arch/powerpc/kvm/e500_mmu_host.c | 4 +-
arch/x86/kvm/mmu/mmu.c | 189 +++++++++++++----
arch/x86/kvm/mmu/paging_tmpl.h | 13 +-
drivers/block/null_blk/zoned.c | 10 +-
drivers/gpio/gpio-ml-ioh.c | 36 ++--
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 50 ++++-
drivers/hid/hid-core.c | 11 +-
drivers/hid/hid-hyperv.c | 27 ++-
drivers/hid/hid-magicmouse.c | 26 +++
drivers/hid/hid-sensor-custom.c | 21 +-
drivers/input/keyboard/atkbd.c | 23 ++-
drivers/misc/fastrpc.c | 110 ++++++----
drivers/mmc/host/atmel-mci.c | 2 +
drivers/net/can/dev/skb.c | 2 -
drivers/net/can/slcan.c | 1 -
drivers/net/ntb_netdev.c | 15 +-
drivers/net/usb/rndis_host.c | 6 +-
drivers/nfc/fdp/i2c.c | 27 +++
drivers/nfc/microread/microread.c | 31 ++-
drivers/nfc/pn533/pn533.c | 1 +
drivers/nfc/st21nfca/dep.c | 3 +
drivers/nvme/target/fc.c | 2 +-
drivers/nvme/target/tcp.c | 5 +-
drivers/pci/controller/pci-host-generic.c | 11 +-
drivers/pci/ecam.c | 13 ++
drivers/s390/cio/vfio_ccw_async.c | 16 ++
drivers/s390/cio/vfio_ccw_chp.c | 31 ++-
drivers/s390/cio/vfio_ccw_cp.c | 31 ++-
drivers/s390/cio/vfio_ccw_drv.c | 14 +-
drivers/s390/cio/vfio_ccw_ops.c | 15 +-
drivers/s390/cio/vfio_ccw_private.h | 7 +-
drivers/tty/serial/amba-pl011.c | 8 +-
fs/ext4/xattr.c | 7 +-
fs/iomap/buffered-io.c | 19 +-
fs/ocfs2/xattr.c | 18 +-
fs/xfs/libxfs/xfs_attr_leaf.c | 14 ++
fs/xfs/xfs_buf_item_recover.c | 53 +++--
include/linux/can/core.h | 1 +
include/linux/can/skb.h | 3 -
include/linux/kvm_host.h | 60 +++---
include/linux/netdevice.h | 6 +-
include/linux/pci-ecam.h | 3 +
include/net/sch_generic.h | 1 +
kernel/events/core.c | 121 +++++------
mm/huge_memory.c | 52 +++--
net/bluetooth/rfcomm/core.c | 24 ++-
net/can/af_can.c | 14 +-
net/can/bcm.c | 2 -
net/can/isotp.c | 320 +++++++++++++++++++++--------
net/can/j1939/socket.c | 1 -
net/can/j1939/transport.c | 2 -
net/can/raw.c | 7 +-
net/ceph/osd_client.c | 5 +-
net/ipv4/inet_fragment.c | 6 +-
net/ipv4/ip_output.c | 4 +
net/ipv6/ip6_output.c | 2 +
net/mptcp/options.c | 57 +++++
net/mptcp/pm_netlink.c | 39 ++--
net/mptcp/protocol.h | 1 +
net/nfc/digital_technology.c | 2 +
net/nfc/llcp_commands.c | 18 +-
net/nfc/llcp_core.c | 15 +-
net/nfc/nci/ntf.c | 10 +-
net/nfc/nci/rsp.c | 1 +
net/packet/af_packet.c | 65 ++++--
net/sched/sch_api.c | 9 +
net/xfrm/xfrm_state.c | 4 +-
sound/drivers/dummy.c | 6 +
sound/soc/codecs/lpass-tx-macro.c | 4 +-
virt/kvm/kvm_main.c | 49 ++---
80 files changed, 1314 insertions(+), 526 deletions(-)