This is the start of the stable review cycle for the 6.18.23 release. There are 83 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 Wed, 15 Apr 2026 15:57:08 +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/v6.x/stable-review/patch-6.18.23-rc1... or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.18.y and the diffstat can be found below.
thanks,
greg k-h
------------- Pseudo-Shortlog of commits:
Greg Kroah-Hartman gregkh@linuxfoundation.org Linux 6.18.23-rc1
Jiayuan Chen jiayuan.chen@linux.dev net: skb: fix cross-cache free of KFENCE-allocated skb head
Pengpeng Hou pengpeng@iscas.ac.cn rxrpc: proc: size address buffers for %pISpc output
Wang Jie jiewang2024@lzu.edu.cn rxrpc: only handle RESPONSE during service challenge
David Howells dhowells@redhat.com rxrpc: Fix buffer overread in rxgk_do_verify_authenticator()
David Howells dhowells@redhat.com rxrpc: Fix leak of rxgk context in rxgk_verify_response()
David Howells dhowells@redhat.com rxrpc: Fix integer overflow in rxgk_verify_response()
David Howells dhowells@redhat.com rxrpc: Fix missing error checks for rxkad encryption/decryption failure
David Howells dhowells@redhat.com rxrpc: Fix key/keyring checks in setsockopt(RXRPC_SECURITY_KEY/KEYRING)
Luxiao Xu rakukuip@gmail.com rxrpc: fix reference count leak in rxrpc_server_keyring()
Keenan Dong keenanat2000@gmail.com rxrpc: fix oversized RESPONSE authenticator length check
Keenan Dong keenanat2000@gmail.com rxrpc: fix RESPONSE authenticator parser OOB read
Yuqi Xu xuyuqiabc@gmail.com rxrpc: reject undecryptable rxkad response tickets
Douya Le ldy3087146292@gmail.com rxrpc: Only put the call ref if one was acquired
Marc Dionne marc.c.dionne@gmail.com rxrpc: Fix to request an ack if window is limited
Anderson Nascimento anderson@allelesecurity.com rxrpc: Fix key reference count leak from call->key
Alok Tiwari alok.a.tiwari@oracle.com rxrpc: Fix rack timer warning to report unexpected mode
Alok Tiwari alok.a.tiwari@oracle.com rxrpc: Fix use of wrong skb when comparing queued RESP challenge serial
Oleh Konko security@1seal.org rxrpc: Fix RxGK token loading to check bounds
David Howells dhowells@redhat.com rxrpc: Fix call removal to use RCU safe deletion
David Howells dhowells@redhat.com rxrpc: Fix anonymous key handling
David Howells dhowells@redhat.com rxrpc: Fix key parsing memleak
David Howells dhowells@redhat.com rxrpc: Fix key quota calculation for multitoken keys
David Carlier devnexen@gmail.com net: lan966x: fix use-after-free and leak in lan966x_fdma_reload()
David Carlier devnexen@gmail.com net: lan966x: fix page pool leak in error paths
David Carlier devnexen@gmail.com net: lan966x: fix page_pool error handling in lan966x_fdma_rx_alloc_page_pool()
Emil Tantilov emil.s.tantilov@intel.com idpf: set the payload size before calling the async handler
Emil Tantilov emil.s.tantilov@intel.com idpf: improve locking around idpf_vc_xn_push_free()
Emil Tantilov emil.s.tantilov@intel.com idpf: fix PREEMPT_RT raw/bh spinlock nesting for async VC handling
Baolin Wang baolin.wang@linux.alibaba.com mm: filemap: fix nr_pages calculation overflow in filemap_map_pages()
Tyllis Xu livelycarpet87@gmail.com net: stmmac: fix integer underflow in chain mode
Pengpeng Hou pengpeng@iscas.ac.cn net: qualcomm: qca_uart: report the consumed byte on RX skb allocation failure
Johan Hovold johan@kernel.org mmc: vub300: fix use-after-free on disconnect
Johan Hovold johan@kernel.org mmc: vub300: fix NULL-deref on disconnect
SeongJae Park sj@kernel.org mm/damon/stat: deallocate damon_call() failure leaking damon_ctx
SeongJae Park sj@kernel.org mm/damon/sysfs: dealloc repeat_call_control if damon_call() fails
Hao Li hao.li@linux.dev mm/memory_hotplug: maintain N_NORMAL_MEMORY during hotplug
Alex Dvoretsky advoretsky@gmail.com igb: remove napi_synchronize() in igb_down()
Jacky Bai ping.bai@nxp.com pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled
Michael Guralnik michaelgur@nvidia.com net/mlx5: Update the list of the PCI supported devices
Jouni Högander jouni.hogander@intel.com drm/i915/psr: Do not use pipe_src as borders for SU area
Sebastian Brzezinka sebastian.brzezinka@intel.com drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat
Haoze Xie royenheart@gmail.com batman-adv: hold claim backbone gateways by reference
David Carlier devnexen@gmail.com net: altera-tse: fix skb leak on DMA mapping error in tse_start_xmit()
Muhammad Alifa Ramdhan ramdhan@starlabs.sg net/tls: fix use-after-free in -EBUSY error path of tls_do_encryption
Borislav Petkov (AMD) bp@alien8.de EDAC/mc: Fix error path ordering in edac_mc_alloc()
Lukas Wunner lukas@wunner.de X.509: Fix out-of-bounds access when parsing extensions
Ruide Cao caoruide123@gmail.com batman-adv: reject oversized global TT response buffers
Pengpeng Hou pengpeng@iscas.ac.cn nfc: pn533: allocate rx skb before consuming bytes
Shawn Guo shawnguo@kernel.org arm64: dts: hisilicon: hi3798cv200: Add missing dma-ranges
Shawn Guo shawnguo@kernel.org arm64: dts: hisilicon: poplar: Correct PCIe reset GPIO polarity
Marek Vasut marek.vasut+renesas@mailbox.org arm64: dts: renesas: sparrow-hawk: Reserve first 128 MiB of DRAM
Sebastian Krzyszkowiak sebastian.krzyszkowiak@puri.sm arm64: dts: imx8mq-librem5: Bump BUCK1 suspend voltage up to 0.85V
Sebastian Krzyszkowiak sebastian.krzyszkowiak@puri.sm Revert "arm64: dts: imx8mq-librem5: Set the DVS voltages lower"
Heiko Stuebner heiko@sntech.de Revert "arm64: dts: rockchip: Further describe the WiFi for the Pinebook Pro"
Srinivas Pandruvada srinivas.pandruvada@linux.intel.com platform/x86/intel-uncore-freq: Handle autonomous UFS status bit
Srinivas Pandruvada srinivas.pandruvada@linux.intel.com platform/x86: ISST: Reset core count to 0
Thomas Fourier fourier.thomas@gmail.com wifi: brcmsmac: Fix dma_free_coherent() size
Oleh Konko security@1seal.org tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG
Qi Tang tpluszz77@gmail.com xfrm: hold dev ref until after transport_finish NF_HOOK
Yasuaki Torimaru yasuakitorimaru@gmail.com xfrm: clear trailing padding in build_polexpire()
Nathan Chancellor nathan@kernel.org modpost: Declare extra_warn with unused attribute
Matthew Brost matthew.brost@intel.com workqueue: Add pool_workqueue to pending_pwqs list when unplugging multiple inactive works
Michal Wilczynski m.wilczynski@samsung.com firmware: thead: Fix buffer overflow and use standard endian macros
Tuan Do tuan@calif.io netfilter: nft_ct: fix use-after-free in timeout object destroy
Anthony Pighin anthony.pighin@nokia.com i2c: imx: zero-initialize dma_slave_config for eDMA
Kuniyuki Iwashima kuniyu@google.com af_unix: Give up GC if MSG_PEEK intervened.
Kuniyuki Iwashima kuniyu@google.com af_unix: Simplify GC state.
Kuniyuki Iwashima kuniyu@google.com af_unix: Count cyclic SCC.
robbieko robbieko@synology.com btrfs: fix incorrect return value after changing leaf in lookup_extent_data_ref()
Filipe Manana fdmanana@suse.com btrfs: remove pointless out labels from extent-tree.c
Maciej W. Rozycki macro@orcam.me.uk MIPS: mm: Rewrite TLB uniquification for the hidden bit feature
Maciej W. Rozycki macro@orcam.me.uk MIPS: mm: Suppress TLB uniquification on EHINV hardware
Maciej W. Rozycki macro@orcam.me.uk MIPS: Always record SEGBITS in cpu_data.vmbits
Dmitry Torokhov dmitry.torokhov@gmail.com Input: uinput - take event lock when submitting FF request "event"
Mikhail Gavrilov mikhail.v.gavrilov@gmail.com Input: uinput - fix circular locking dependency with ff-core
Andrea Mayer andrea.mayer@uniroma2.it seg6: separate dst_cache for input and output paths in seg6 lwtunnel
Jiayuan Chen jiayuan.chen@linux.dev mptcp: fix slab-use-after-free in __inet_lookup_established
Matthieu Baerts (NGI0) matttbe@kernel.org Revert "mptcp: add needs_id for netlink appending addr"
Takashi Iwai tiwai@suse.de Revert "ALSA: hda/realtek: Add quirk for Gigabyte Technology to fix headphone"
Greg Kroah-Hartman gregkh@linuxfoundation.org net: rfkill: prevent unlimited numbers of rfkill events from being created
Greg Kroah-Hartman gregkh@linuxfoundation.org xfrm_user: fix info leak in build_report()
Johan Hovold johan@kernel.org wifi: rt2x00usb: fix devres lifetime
Nathan Rebello nathan.c.rebello@gmail.com usb: typec: ucsi: skip connector validation before init
-------------
Diffstat:
Makefile | 4 +- .../arm64/boot/dts/freescale/imx8mq-librem5-r3.dts | 2 +- arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi | 24 +- .../boot/dts/hisilicon/hi3798cv200-poplar.dts | 2 +- arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi | 1 + .../boot/dts/renesas/r8a779g3-sparrow-hawk.dts | 11 + .../boot/dts/rockchip/rk3399-pinebook-pro.dts | 18 -- arch/mips/include/asm/cpu-features.h | 1 - arch/mips/include/asm/cpu-info.h | 2 - arch/mips/include/asm/mipsregs.h | 2 + arch/mips/kernel/cpu-probe.c | 13 +- arch/mips/kernel/cpu-r3k-probe.c | 2 + arch/mips/mm/tlb-r4k.c | 285 +++++++++++++++++---- crypto/asymmetric_keys/x509_cert_parser.c | 8 +- drivers/edac/edac_mc.c | 6 +- drivers/firmware/thead,th1520-aon.c | 7 +- drivers/gpu/drm/i915/display/intel_psr.c | 30 ++- drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c | 26 +- drivers/i2c/busses/i2c-imx.c | 2 +- drivers/input/misc/uinput.c | 35 ++- drivers/mmc/host/vub300.c | 19 +- drivers/net/ethernet/altera/altera_tse_main.c | 1 + drivers/net/ethernet/intel/idpf/idpf_virtchnl.c | 20 +- drivers/net/ethernet/intel/idpf/idpf_virtchnl.h | 5 +- drivers/net/ethernet/intel/igb/igb_main.c | 3 +- drivers/net/ethernet/mellanox/mlx5/core/main.c | 1 + .../net/ethernet/microchip/lan966x/lan966x_fdma.c | 28 +- drivers/net/ethernet/qualcomm/qca_uart.c | 2 +- drivers/net/ethernet/stmicro/stmmac/chain_mode.c | 11 +- .../net/wireless/broadcom/brcm80211/brcmsmac/dma.c | 2 +- drivers/net/wireless/ralink/rt2x00/rt2x00usb.c | 2 +- drivers/nfc/pn533/uart.c | 11 +- .../x86/intel/speed_select_if/isst_tpmi_core.c | 2 + .../intel/uncore-frequency/uncore-frequency-tpmi.c | 8 +- drivers/pmdomain/imx/imx8mp-blk-ctrl.c | 8 +- drivers/usb/typec/ucsi/ucsi.c | 3 +- fs/btrfs/extent-tree.c | 24 +- include/linux/firmware/thead/thead,th1520-aon.h | 74 ------ include/net/netfilter/nf_conntrack_timeout.h | 1 + include/trace/events/rxrpc.h | 4 +- kernel/workqueue.c | 14 +- mm/damon/stat.c | 7 + mm/damon/sysfs.c | 3 +- mm/filemap.c | 11 +- mm/memory_hotplug.c | 20 ++ net/batman-adv/bridge_loop_avoidance.c | 27 +- net/batman-adv/translation-table.c | 9 +- net/core/skbuff.c | 5 +- net/ipv4/xfrm4_input.c | 5 +- net/ipv6/seg6_iptunnel.c | 34 ++- net/ipv6/xfrm6_input.c | 5 +- net/mptcp/pm_kernel.c | 24 +- net/mptcp/protocol.c | 2 + net/mptcp/protocol.h | 1 + net/mptcp/subflow.c | 15 +- net/netfilter/nft_ct.c | 2 +- net/rfkill/core.c | 35 ++- net/rxrpc/af_rxrpc.c | 6 - net/rxrpc/ar-internal.h | 2 +- net/rxrpc/call_object.c | 25 +- net/rxrpc/conn_event.c | 19 +- net/rxrpc/input_rack.c | 2 +- net/rxrpc/io_thread.c | 3 +- net/rxrpc/key.c | 40 +-- net/rxrpc/output.c | 2 + net/rxrpc/proc.c | 37 +-- net/rxrpc/rxgk.c | 19 +- net/rxrpc/rxkad.c | 63 +++-- net/rxrpc/sendmsg.c | 2 +- net/rxrpc/server_key.c | 3 + net/tipc/group.c | 6 +- net/tls/tls_sw.c | 10 + net/unix/af_unix.c | 2 + net/unix/af_unix.h | 1 + net/unix/garbage.c | 125 +++++---- net/xfrm/xfrm_input.c | 18 +- net/xfrm/xfrm_user.c | 3 + scripts/mod/modpost.c | 2 +- sound/hda/codecs/realtek/alc662.c | 9 - 79 files changed, 838 insertions(+), 490 deletions(-)