[PATCH 6.18 000/108] 6.18.38-rc1 review
From: Greg Kroah-Hartman
Date: Thu Jul 02 2026 - 13:52:27 EST
This is the start of the stable review cycle for the 6.18.38 release.
There are 108 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 Sat, 04 Jul 2026 15:50:58 +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-6.18.38-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-6.18.y
and the diffstat can be found below.
thanks,
greg k-h
-------------
Pseudo-Shortlog of commits:
Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Linux 6.18.38-rc1
John Johansen <john.johansen@xxxxxxxxxxxxx>
apparmor: advertise the tcp fast open fix is applied
HanQuan <eilaimemedsnaimel@xxxxxxxxx>
net/tcp-ao: fix use-after-free of key in del_async path
Stepan Ionichev <sozdayvek@xxxxxxxxx>
serial: 8250_dw: unregister 8250 port if clk_notifier_register() fails
Hem Parekh <hemparekh1596@xxxxxxxxx>
ksmbd: fix out-of-bounds read in smb_check_perm_dacl()
Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
NFS: Prevent resource leak in nfs_alloc_server()
Igor Raits <igor.raits@xxxxxxxxx>
NFSv4: clear exception state on successful mkdir retry
Michael Bommarito <michael.bommarito@xxxxxxxxx>
NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr
Michael Bommarito <michael.bommarito@xxxxxxxxx>
NFSv4/flexfiles: reject zero filehandle version count
Jeff Layton <jlayton@xxxxxxxxxx>
nfsd: reset write verifier on deferred writeback errors
Jeff Layton <jlayton@xxxxxxxxxx>
nfsd: avoid leaking pre-allocated openowner on unconfirmed retry race
Dominik Woźniak <stalion@xxxxxxxxx>
nfsd: check get_user() return when reading princhashlen
Jeff Layton <jlayton@xxxxxxxxxx>
nfsd: fix inverted cp_ttl check in async copy reaper
Jeff Layton <jlayton@xxxxxxxxxx>
nfsd: fix posix_acl leak on SETACL decode failure
Guannan Wang <wgnbuaa@xxxxxxxxx>
NFSD: Fix SECINFO_NO_NAME decode error cleanup
Johan Hovold <johan@xxxxxxxxxx>
i2c: core: fix adapter registration race
Steffen Persvold <spersvold@xxxxxxxxx>
fbdev: modedb: Fix misaligned fields in the 1920x1080-60 mode
Tuo Li <islituo@xxxxxxxxx>
fbdev: modedb: fix a possible UAF in fb_find_mode()
Ian Bridges <icb@xxxxxxxxxxxx>
fbdev: Fix fb_new_modelist to prevent null-ptr-deref in fb_videomode_to_var
Vivian Wang <wangruikang@xxxxxxxxxxx>
riscv: kfence: Call mark_new_valid_map() for kfence_unprotect()
Wentao Liang <vulab@xxxxxxxxxxx>
power: reset: linkstation-poweroff: fix use-after-free in the linkstation_poweroff_init()
Ashutosh Desai <ashutoshdesai993@xxxxxxxxx>
KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path
Hyunwoo Kim <imv4bel@xxxxxxxxx>
KVM: x86: hyper-v: Bound the bank index when querying sparse banks
Jonas Jelonek <jelonek.jonas@xxxxxxxxx>
MIPS: smp: report dying CPU to RCU in stop_this_cpu()
Yizhou Zhao <zhaoyz24@xxxxxxxxxxxxxxxxxxxxx>
9p: avoid putting oldfid in p9_client_walk() error path
Zhang Cen <rollkingzzc@xxxxxxxxx>
ocfs2: reject oversized group bitmap descriptors
Yuho Choi <dbgh9129@xxxxxxxxx>
rpmsg: char: Fix use-after-free on probe error path
Wentao Liang <vulab@xxxxxxxxxxx>
fpga: region: fix use-after-free in child_regions_with_firmware()
Qingshuang Fu <fuqingshuang@xxxxxxxxxx>
irqchip/imgpdc: Fix resource leak, add missing chained handler cleanup on remove
Wentao Liang <vulab@xxxxxxxxxxx>
pNFS: Fix use-after-free in pnfs_update_layout()
Huacai Chen <chenhuacai@xxxxxxxxxx>
LoongArch: Report dying CPU to RCU in stop_this_cpu()
Doruk Tan Ozturk <doruk@xxxxxxx>
tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done
Michal Koutný <mkoutny@xxxxxxxx>
blk-cgroup: fix UAF in __blkcg_rstat_flush()
Fan Wu <fanwu01@xxxxxxxxxx>
hdlc_ppp: sync per-proto timers before freeing hdlc state
Wentao Liang <vulab@xxxxxxxxxxx>
pwrseq: core: fix use-after-free in pwrseq_debugfs_seq_next()
Tristan Madani <tristan@xxxxxxxxxxxxxxxxxxx>
gfs2: fix use-after-free in gfs2_qd_dealloc
Sam James <sam@xxxxxxxxxx>
crypto: nx - fix nx_crypto_ctx_exit argument
Sean Christopherson <seanjc@xxxxxxxxxx>
KVM: Replace guest-triggerable BUG_ON() in ioeventfd datamatch with get_unaligned()
Sean Christopherson <seanjc@xxxxxxxxxx>
KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level
Michael Bommarito <michael.bommarito@xxxxxxxxx>
exfat: fix potential use-after-free in exfat_find_dir_entry()
Maciej W. Rozycki <macro@xxxxxxxxxxx>
MIPS: DEC: Prevent initial console buffer from landing in XKPHYS
Dawei Feng <dawei.feng@xxxxxxxxxx>
bpf: use kvfree() for replaced sysctl write buffer
Denis Arefev <arefev@xxxxxxxxx>
block: Avoid mounting the bdev pseudo-filesystem in userspace
Wenjie Qi <qwjhust@xxxxxxxxx>
f2fs: keep atomic write retry from zeroing original data
Yongpeng Yang <yangyongpeng@xxxxxxxxxx>
f2fs: fix incorrect FI_NO_EXTENT handling in __destroy_extent_node()
Zhang Cen <rollkingzzc@xxxxxxxxx>
f2fs: validate ACL entry sizes in f2fs_acl_from_disk()
Sunmin Jeong <s_min.jeong@xxxxxxxxxxx>
f2fs: fix to round down start offset of fallocate for pin file
Wenjie Qi <qwjhust@xxxxxxxxx>
f2fs: validate compress cache inode only when enabled
Wenjie Qi <qwjhust@xxxxxxxxx>
f2fs: validate orphan inode entry count
Wenjie Qi <qwjhust@xxxxxxxxx>
f2fs: pass correct iostat type for single node writes
Junrui Luo <moonafterrain@xxxxxxxxxxx>
wifi: iwlwifi: mld: validate sta_mask before ffs() in BA session handlers
Junjie Cao <junjie.cao@xxxxxxxxx>
wifi: iwlwifi: mld: fix race condition in PTP removal
Junjie Cao <junjie.cao@xxxxxxxxx>
wifi: iwlwifi: mvm: fix race condition in PTP removal
Luka Gejak <luka.gejak@xxxxxxxxx>
wifi: rtw88: usb: fix memory leaks on USB write failures
Luka Gejak <luka.gejak@xxxxxxxxx>
wifi: rtw88: increase TX report timeout to fix race condition
Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx>
wifi: rtlwifi: rtl8821ae: Fix C2H bit location in RX descriptor
Jose Ignacio Tornos Martinez <jtornosm@xxxxxxxxxx>
wifi: ath11k: fix warning when unbinding
ElXreno <elxreno@xxxxxxxxx>
wifi: mt76: mt7925: don't disable AP BSS when removing TDLS peer
Zenm Chen <zenmchen@xxxxxxxxx>
wifi: mt76: mt76x2u: Add support for ELECOM WDC-867SU3S
Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>
userfaultfd: ensure mremap_userfaultfd_fail() releases mmap_changing
Shaomin Chen <eeesssooo020@xxxxxxxxx>
keys: Pin request_key_auth payload in instantiate paths
Jarkko Sakkinen <jarkko@xxxxxxxxxx>
KEYS: fix overflow in keyctl_pkey_params_get_2()
Konstantin Khorenko <khorenko@xxxxxxxxxxxxx>
gcov: use atomic counter updates to fix concurrent access crashes
Arnd Bergmann <arnd@xxxxxxxx>
err.h: use __always_inline on all error pointer helpers
Ard Biesheuvel <ardb@xxxxxxxxxx>
KVM: arm64: Omit tag sync on stage-2 mappings of the zero page
Usama Arif <usama.arif@xxxxxxxxx>
block: invalidate cached plug timestamp after task switch
Ian Bridges <icb@xxxxxxxxxxxx>
fbdev: fix use-after-free in store_modes()
Koichiro Den <den@xxxxxxxxxxxxx>
NTB: epf: Avoid pci_iounmap() with offset when PEER_SPAD and CONFIG share BAR
Ruslan Valiyev <linuxoid@xxxxxxxxx>
apparmor: fix use-after-free in rawdata dedup loop
Bryam Vargas <hexlabsecurity@xxxxxxxxx>
apparmor: mediate the implicit connect of TCP fast open sendmsg
Maoyi Xie <maoyixie.tju@xxxxxxxxx>
net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink
Yiming Qian <yimingqian591@xxxxxxxxx>
net: skmsg: preserve sg.copy across SG transforms
Doruk Tan Ozturk <doruk@xxxxxxx>
mac802154: llsec: add skb_cow_data() before in-place crypto
Kuniyuki Iwashima <kuniyu@xxxxxxxxxx>
af_unix: Set gc_in_progress to true in unix_gc().
Jiajia Liu <liujiajia@xxxxxxxxxx>
wifi: mt76: add wcid publish check in mt76_sta_add
Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
ntfs3: reject direct userspace writes to reserved $LX* xattrs
Wongi Lee <qw3rtyp0@xxxxxxxxx>
ipv4: account for fraggap on the paged allocation path
Wongi Lee <qw3rtyp0@xxxxxxxxx>
ipv6: account for fraggap on the paged allocation path
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tvlv: avoid race of cifsnotfound handler state
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tvlv: enforce 2-byte alignment
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: dat: prevent false sharing between VLANs
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tt: track roam count per VID
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tt: don't merge change entries with different VIDs
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: handle overlapping packets
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: prevent parallel modifications of last_recv
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: annotate last_recv_time access with READ/WRITE_ONCE
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: restrict number of unacked list entries
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: v: prevent OGM aggregation on disabled hardif
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: frag: avoid underflow of TTL
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: frag: ensure fragment is writable before modifying TTL
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: fix (m|b)cast csum after decrementing TTL
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: ensure bcast is writable before modifying TTL
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: gw: don't deselect gateway with active hardif
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: initialize last_recv_time during init
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: prevent ELP transmission interval underflow
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: bla: annotate lasttime access with READ/WRITE_ONCE
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: add only finished tp_vars to lists
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: handle seqno wrap-around for fast recovery detection
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: fix fast recovery precondition
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: avoid divide-by-zero for dec_cwnd
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: avoid window underflow
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: initialize dec_cwnd explicitly
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: initialize dup_acks explicitly
Sven Eckelmann <sven@xxxxxxxxxxxxx>
batman-adv: tp_meter: keep unacked list in ascending ordered
NeilBrown <neil@xxxxxxxxxx>
lockd: fix TEST handling when not all permissions are available.
Sasha Levin <sashal@xxxxxxxxxx>
Revert "PCI: qcom: Advertise Hotplug Slot Capability with no Command Completion support"
Paul Moore <paul@xxxxxxxxxxxxxx>
selinux: fix overlayfs mmap() and mprotect() access checks
Paul Moore <paul@xxxxxxxxxxxxxx>
lsm: add backing_file LSM hooks
Paolo Bonzini <pbonzini@xxxxxxxxxx>
KVM: x86: Fix shadow paging use-after-free due to unexpected role
-------------
Diffstat:
Makefile | 31 ++-
arch/arm64/kvm/mmu.c | 5 +
arch/loongarch/kernel/smp.c | 1 +
arch/mips/dec/prom/console.c | 7 +-
arch/mips/kernel/smp.c | 2 +
arch/riscv/include/asm/kfence.h | 7 +-
arch/riscv/kernel/entry.S | 6 +-
arch/x86/kvm/hyperv.c | 5 +
arch/x86/kvm/mmu/mmu.c | 28 ++-
arch/x86/kvm/svm/sev.c | 1 +
block/bdev.c | 5 -
block/blk-cgroup.c | 21 +-
drivers/crypto/nx/nx.c | 6 +-
drivers/crypto/nx/nx.h | 2 +-
drivers/fpga/of-fpga-region.c | 3 +-
drivers/i2c/i2c-core-base.c | 8 +-
drivers/irqchip/irq-imgpdc.c | 6 +
drivers/net/wan/hdlc_ppp.c | 15 +-
drivers/net/wireless/ath/ath11k/dp.c | 1 +
drivers/net/wireless/intel/iwlwifi/mld/agg.c | 9 +
drivers/net/wireless/intel/iwlwifi/mld/ptp.c | 2 +-
drivers/net/wireless/intel/iwlwifi/mvm/ptp.c | 2 +-
drivers/net/wireless/mediatek/mt76/mac80211.c | 15 +-
drivers/net/wireless/mediatek/mt76/mt76x2/usb.c | 1 +
drivers/net/wireless/mediatek/mt76/mt7925/main.c | 3 +
.../net/wireless/realtek/rtlwifi/rtl8821ae/trx.h | 2 +-
drivers/net/wireless/realtek/rtw88/tx.c | 7 +-
drivers/net/wireless/realtek/rtw88/usb.c | 13 +-
drivers/ntb/hw/epf/ntb_hw_epf.c | 3 +-
drivers/pci/controller/dwc/pcie-qcom.c | 17 +-
drivers/power/reset/linkstation-poweroff.c | 2 +-
drivers/power/sequencing/core.c | 14 +-
drivers/rpmsg/rpmsg_char.c | 15 +-
drivers/tty/serial/8250/8250_dw.c | 4 +-
drivers/video/fbdev/core/fbmem.c | 12 +
drivers/video/fbdev/core/fbsysfs.c | 10 +-
drivers/video/fbdev/core/modedb.c | 5 +-
fs/backing-file.c | 17 +-
fs/exfat/dir.c | 4 +-
fs/f2fs/acl.c | 18 +-
fs/f2fs/checkpoint.c | 14 +-
fs/f2fs/data.c | 16 +-
fs/f2fs/extent_cache.c | 19 +-
fs/f2fs/file.c | 9 +-
fs/f2fs/inode.c | 9 +-
fs/f2fs/node.c | 2 +-
fs/file_table.c | 27 ++-
fs/fuse/passthrough.c | 2 +-
fs/gfs2/super.c | 1 +
fs/internal.h | 3 +-
fs/lockd/svc4proc.c | 13 +-
fs/lockd/svclock.c | 4 +-
fs/lockd/svcproc.c | 15 +-
fs/lockd/svcsubs.c | 35 ++-
fs/nfs/client.c | 1 +
fs/nfs/flexfilelayout/flexfilelayout.c | 4 +
fs/nfs/nfs4proc.c | 5 +-
fs/nfs/pnfs.c | 2 +-
fs/nfs/pnfs_nfs.c | 4 +-
fs/nfsd/nfs2acl.c | 17 +-
fs/nfsd/nfs3acl.c | 17 +-
fs/nfsd/nfs4proc.c | 2 +-
fs/nfsd/nfs4recover.c | 3 +-
fs/nfsd/nfs4state.c | 1 +
fs/nfsd/nfs4xdr.c | 3 +-
fs/nfsd/vfs.c | 6 +-
fs/ntfs3/xattr.c | 12 +
fs/ocfs2/suballoc.c | 22 ++
fs/overlayfs/dir.c | 2 +-
fs/overlayfs/file.c | 2 +-
fs/smb/server/smbacl.c | 4 +-
fs/userfaultfd.c | 2 +
include/keys/request_key_auth-type.h | 2 +
include/linux/backing-file.h | 4 +-
include/linux/blkdev.h | 16 +-
include/linux/err.h | 12 +-
include/linux/f2fs_fs.h | 1 +
include/linux/fs.h | 13 ++
include/linux/kvm_host.h | 7 +-
include/linux/lockd/lockd.h | 2 +-
include/linux/lsm_audit.h | 2 +-
include/linux/lsm_hook_defs.h | 5 +
include/linux/lsm_hooks.h | 1 +
include/linux/security.h | 22 ++
include/linux/skmsg.h | 15 +-
include/net/rtnetlink.h | 2 +
kernel/bpf/cgroup.c | 2 +-
kernel/sched/core.c | 12 +-
net/9p/client.c | 3 +-
net/batman-adv/bat_iv_ogm.c | 11 +-
net/batman-adv/bat_v.c | 1 +
net/batman-adv/bat_v_ogm.c | 23 +-
net/batman-adv/bridge_loop_avoidance.c | 28 +--
net/batman-adv/distributed-arp-table.c | 12 +-
net/batman-adv/fragmentation.c | 22 +-
net/batman-adv/fragmentation.h | 3 +-
net/batman-adv/hard-interface.c | 28 +--
net/batman-adv/netlink.c | 10 +-
net/batman-adv/routing.c | 73 +++++-
net/batman-adv/tp_meter.c | 115 +++++----
net/batman-adv/translation-table.c | 12 +-
net/batman-adv/tvlv.c | 69 +++++-
net/batman-adv/types.h | 21 +-
net/core/filter.c | 27 +++
net/core/rtnetlink.c | 8 +
net/core/skmsg.c | 2 +
net/ipv4/ip_gre.c | 6 +
net/ipv4/ip_output.c | 7 +-
net/ipv4/tcp_ao.c | 4 +
net/ipv6/ip6_output.c | 9 +-
net/mac802154/llsec.c | 14 ++
net/tipc/crypto.c | 9 +
net/tls/tls_sw.c | 4 +
net/unix/garbage.c | 2 +
security/apparmor/include/policy_unpack.h | 19 ++
security/apparmor/lsm.c | 16 +-
security/apparmor/net.c | 2 +
security/apparmor/policy.c | 8 +-
security/keys/internal.h | 2 +
security/keys/keyctl.c | 24 +-
security/keys/keyctl_pkey.c | 9 +-
security/keys/request_key_auth.c | 33 ++-
security/security.c | 109 +++++++++
security/selinux/hooks.c | 256 +++++++++++++++------
security/selinux/include/objsec.h | 11 +
virt/kvm/eventfd.c | 12 +-
126 files changed, 1354 insertions(+), 401 deletions(-)