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Paulo AlcantaraandGreg Kroah-Hartman a710ef9e97 smb: client: fix potential UAF in smb2_is_valid_oplock_break() 
[ Upstream commit 22863485a4 ]

Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.

Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
[ Appropriate path used. ]
Signed-off-by: Robert Garcia <rob_garcia@163.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2026-06-01 17:35:05 +02:00
..
9p
9p: sysfs_init: don't hardcode error to ENOMEM
2025-12-07 06:09:25 +09:00
adfs
…
affs
affs: don't write overlarge OFS data block size fields
2025-04-10 14:32:03 +02:00
afs
afs: Fix the server_list to unuse a displaced server rather than putting it
2025-03-13 12:50:56 +01:00
autofs
…
befs
…
bfs
bfs: Reconstruct file type when loading from disk
2026-01-19 13:09:21 +01:00
btrfs
btrfs: reject root items with drop_progress and zero drop_level
2026-04-18 10:33:29 +02:00
cachefiles
…
ceph
ceph: fix i_nlink underrun during async unlink
2026-04-18 10:33:14 +02:00
cifs
smb: client: fix potential UAF in smb2_is_valid_oplock_break()
2026-06-01 17:35:05 +02:00
coda
…
configfs
configfs: Do not override creating attribute file failure in populate_attrs()
2025-06-27 11:05:22 +01:00
cramfs
cramfs: Verify inode mode when loading from disk
2025-10-19 16:21:54 +02:00
crypto
…
debugfs
…
devpts
…
dlm
dlm: check for defined force value in dlm_lockspace_release
2025-10-29 14:03:10 +01:00
ecryptfs
ecryptfs: Fix buffer size for tag 66 packet
2024-06-16 13:39:16 +02:00
efivarfs
efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare
2025-09-04 14:28:46 +02:00
efs
…
erofs
erofs: add GFP_NOIO in the bio completion if needed
2026-04-18 10:33:27 +02:00
exfat
exfat: fix remount failure in different process environments
2026-01-19 13:09:47 +01:00
exportfs
exportfs: use pr_debug for unreachable debug statements
2024-04-10 16:19:21 +02:00
ext2
minmax: add in_range() macro
2025-10-19 16:21:28 +02:00
ext4
ext4: fix use-after-free in update_super_work when racing with umount
2026-04-18 10:33:38 +02:00
f2fs
f2fs: fix out-of-bounds access in sysfs attribute read/write
2026-02-19 16:21:47 +01:00
fat
fat: avoid parent link count underflow in rmdir
2026-03-04 07:19:35 -05:00
freevxfs
…
fscache
…
fuse
fuse: fix readahead reclaim deadlock
2026-01-19 13:10:08 +01:00
gfs2
gfs2: fiemap page fault fix
2026-03-04 07:19:57 -05:00
hfs
hfs: fix KMSAN uninit-value issue in hfs_find_set_zero_bits()
2025-10-29 14:03:10 +01:00
hfsplus
hfsplus: pretend special inodes as regular files
2026-03-04 07:19:56 -05:00
hostfs
…
hpfs
fs/hpfs: Fix error code for new_inode() failure in mkdir/create/mknod/symlink
2025-12-07 06:09:24 +09:00
hugetlbfs
mm/hugetlb: fix folio is still mapped when deleted
2025-10-02 13:39:14 +02:00
iomap
iomap: fix submission side handling of completion side errors
2026-03-04 07:19:22 -05:00
isofs
isofs: Verify inode mode when loading from disk
2025-08-28 16:23:59 +02:00
jbd2
jbd2: gracefully abort on checkpointing state corruptions
2026-04-18 10:33:27 +02:00
jffs2
jffs2: check jffs2_prealloc_raw_node_refs() result in few other places
2025-06-27 11:05:34 +01:00
jfs
jfs: nlink overflow in jfs_rename
2026-03-04 07:20:07 -05:00
kernfs
…
ksmbd
ksmbd: Fix dangling pointer in krb_authenticate
2026-04-18 10:33:39 +02:00
lockd
lockd: fix vfs_test_lock() calls
2026-01-19 13:10:10 +01:00
minix
minix: Add required sanity checking to minix_check_superblock()
2026-03-04 07:19:57 -05:00
netfs
…
nfs
pNFS: fix a missing wake up while waiting on NFS_LAYOUT_DRAIN
2026-03-04 07:19:44 -05:00
nfs_common
NFSD: Remove NFSERR_EAGAIN
2026-01-19 13:10:18 +01:00
nfsd
nfsd: fix return error code for nfsd_map_name_to_[ug]id
2026-03-04 07:20:31 -05:00
nilfs2
nilfs2: Fix potential block overflow that cause system hang
2026-02-19 16:21:43 +01:00
nls
fs/nls: Fix inconsistency between utf8_to_utf32() and utf32_to_utf8()
2026-01-19 13:09:38 +01:00
notify
fsnotify: do not generate ACCESS/MODIFY events on child for special files
2026-01-19 13:09:53 +01:00
ntfs
…
ntfs3
fs/ntfs3: avoid calling run_get_entry() when run == NULL in ntfs_read_run_nb_ra()
2026-03-04 07:20:18 -05:00
ocfs2
ocfs2: handle invalid dinode in ocfs2_group_extend
2026-06-01 17:35:05 +02:00
omfs
…
openpromfs
openpromfs: finish conversion to the new mount API
2024-06-16 13:39:16 +02:00
orangefs
orangefs: fix xattr related buffer overflow...
2025-12-07 06:09:24 +09:00
overlayfs
ovl: Fix uninit-value in ovl_fill_real
2026-03-04 07:19:47 -05:00
proc
procfs: fix missing RCU protection when reading real_parent in do_task_stat()
2026-03-04 07:19:37 -05:00
pstore
pstore: ram_core: fix incorrect success return when vmap() fails
2026-03-04 07:20:01 -05:00
qnx4
…
qnx6
…
quota
quota: flush quota_release_work upon quota writeback
2024-12-14 19:51:22 +01:00
ramfs
…
reiserfs
…
romfs
romfs: check sb_set_blocksize() return value
2026-02-19 16:21:44 +01:00
smbfs_common
…
squashfs
Squashfs: check metadata block offset is within range
2026-04-18 10:33:09 +02:00
sysfs
fs: sysfs: Fix reference leak in sysfs_break_active_protection()
2024-04-27 17:05:28 +02:00
sysv
sysv: don't call sb_bread() with pointers_lock held
2024-04-13 13:01:44 +02:00
tracefs
…
ubifs
ubifs: skip dumping tnc tree when zroot is null
2025-03-13 12:50:11 +01:00
udf
fs: udf: fix OOB read in lengthAllocDescs handling
2025-10-19 16:21:38 +02:00
ufs
minmax: add in_range() macro
2025-10-19 16:21:28 +02:00
unicode
Revert "unicode: Don't special case ignorable code points"
2024-12-14 19:51:44 +01:00
vboxsf
vboxsf: fix building with GCC 15
2025-04-10 14:31:50 +02:00
verity
…
xfs
xfs: save ailp before dropping the AIL lock in push callbacks
2026-04-18 10:33:38 +02:00
zonefs
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aio.c
…
anon_inodes.c
…
attr.c
…
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
fs: binfmt_elf_efpic: don't use missing interpreter's properties
2024-09-04 13:23:24 +02:00
binfmt_elf.c
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binfmt_flat.c
binfmt_flat: Fix integer overflow bug on 32 bit systems
2025-03-13 12:50:24 +01:00
binfmt_misc.c
binfmt_misc: cleanup on filesystem umount
2024-09-04 13:23:22 +02:00
binfmt_script.c
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buffer.c
fs/buffer: fix use-after-free when call bh_read() helper
2025-08-28 16:24:34 +02:00
char_dev.c
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compat_binfmt_elf.c
…
coredump.c
coredump: hand a pidfd to the usermode coredump helper
2025-06-04 14:38:07 +02:00
d_path.c
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dax.c
dax: skip read lock assertion for read-only filesystems
2025-10-29 14:03:07 +01:00
dcache.c
vfs: Don't leak disconnected dentries on umount
2025-10-29 14:03:14 +01:00
direct-io.c
…
drop_caches.c
…
eventfd.c
…
eventpoll.c
eventpoll: defer struct eventpoll free to RCU grace period
2026-06-01 17:35:02 +02:00
exec.c
exec: Fix incorrect type for ret
2025-10-29 14:03:09 +01:00
fcntl.c
fs: Fix file_set_fowner LSM hook inconsistencies
2024-10-17 15:11:15 +02:00
fhandle.c
…
file_table.c
fs: fix proc_handler for sysctl_nr_open
2025-03-13 12:49:50 +01:00
file.c
fs: always return zero on success from replace_fd()
2025-10-19 16:21:39 +02:00
filesystems.c
fs/filesystems: Fix potential unsigned integer underflow in fs_name()
2025-06-27 11:05:20 +01:00
fs_context.c
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fs_parser.c
…
fs_pin.c
…
fs_struct.c
fs: add <linux/init_task.h> for 'init_fs'
2026-03-04 07:19:21 -05:00
fs_types.c
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fs-writeback.c
writeback: fix 100% CPU usage when dirtytime_expire_interval is 0
2026-02-06 16:42:05 +01:00
fsopen.c
fscontext: do not consume log entries when returning -EMSGSIZE
2025-10-19 16:21:51 +02:00
init.c
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inode.c
fs: move inode sysctls to its own file
2025-03-13 12:49:50 +01:00
internal.h
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ioctl.c
…
Kconfig
nfs: add missing selections of CONFIG_CRC32
2025-05-02 07:44:12 +02:00
Kconfig.binfmt
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kernel_read_file.c
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libfs.c
better lockdep annotations for simple_recursive_removal()
2025-08-28 16:24:16 +02:00
locks.c
lockd: fix vfs_test_lock() calls
2026-01-19 13:10:10 +01:00
Makefile
…
mbcache.c
…
mount.h
…
mpage.c
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namei.c
openat2: don't trigger automounts with RESOLVE_NO_XDEV
2025-10-19 16:21:46 +02:00
namespace.c
fs: Add 'initramfs_options' to set initramfs mount options
2025-10-19 16:21:54 +02:00
no-block.c
…
nsfs.c
…
open.c
allow finish_no_open(file, ERR_PTR(-E...))
2025-12-07 06:09:22 +09:00
pipe.c
fs/pipe: Fix lockdep false-positive in watchqueue pipe_write()
2024-04-10 16:19:42 +02:00
pnode.c
…
pnode.h
…
posix_acl.c
…
proc_namespace.c
…
read_write.c
…
readdir.c
…
remap_range.c
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select.c
select: Fix unbalanced user_access_end()
2025-03-13 12:49:51 +01:00
seq_file.c
…
signalfd.c
…
splice.c
splice, net: Add a splice_eof op to file-ops and socket-ops
2025-10-29 14:03:08 +01:00
stack.c
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stat.c
…
statfs.c
…
super.c
fs: explicitly unregister per-superblock BDIs
2024-10-17 15:10:43 +02:00
sync.c
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timerfd.c
…
userfaultfd.c
Fix userfaultfd_api to return EINVAL as expected
2024-07-18 13:07:42 +02:00
utimes.c
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xattr.c
…