In the Linux kernel, the following vulnerability has been resolved:
ntfs: validate index entries on reading
Validate index entries immediately after reading an index root or index
block from disk. This eliminates repeated checks in lookup and readdir,
and reduce the risk of missing checks in those...
In the Linux kernel, the following vulnerability has been resolved:
ntfs: detect mapping-pairs LCN accumulator overflow
The NTFS mapping-pairs parser accumulates relative LCN deltas in a
signed integer. A corrupted attribute can drive that addition past
the representable range.
One corrupt runli...
In the Linux kernel, the following vulnerability has been resolved:
ntfs: validate resident index root values on lookup
Resident $INDEX_ROOT values carry index header fields that callers
consume after lookup. Some callers already validate parts of the layout
before walking entries, but those check...
In the Linux kernel, the following vulnerability has been resolved:
ntfs: reject non-resident records for resident-only attributes
The shared lookup-time attribute validator rejects non-resident
$FILE_NAME and $VOLUME_NAME records because their formats require
resident values and callers handle re...
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: bound DeleteIndexEntryAllocation memmove length
In do_action()'s DeleteIndexEntryAllocation case, e->size comes
from an on-disk INDEX_BUFFER entry. When e->size makes
e + e->size point past hdr + hdr->used,
PtrOffset(e1...
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: bound copy_lcns dp->page_lcns[] index in analysis pass
In log_replay()'s analysis pass, after find_dp() returns a
valid DIR_PAGE_ENTRY for the (target_attr, target_vcn) tuple,
the copy_lcns block walks lrh->lcns_follow f...
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: bound attr_off in UpdateResidentValue against data_off
In do_action()'s UpdateResidentValue case (fslog.c:3307),
lrh->attr_off and lrh->redo_len come from the on-disk LRH.
When they satisfy aoff + dlen < attr->res.data_o...
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: add depth limit to indx_find_buffer to prevent stack overflow
indx_find_buffer() recursively descends the B+ tree index with no depth
limit. A crafted NTFS image with circular index node references causes
unbounded recu...
In the Linux kernel, the following vulnerability has been resolved:
ntfs3: cap RESTART_TABLE free-chain walker at rt->used
A crafted NTFS3 disk image triggers an in-kernel infinite loop at
mount time, hanging the mounting thread and firing the soft-lockup
watchdog within ~22s on multi-CPU hosts (p...
In the Linux kernel, the following vulnerability has been resolved:
ntfs3: bound to_move in indx_insert_into_root before hdr_insert_head
indx_insert_into_root() promotes a full resident $INDEX_ROOT into
$INDEX_ALLOCATION and copies all non-last resident root entries into
a newly allocated INDEX_BU...
In the Linux kernel, the following vulnerability has been resolved:
ntfs3: validate split-point offset in indx_insert_into_buffer
indx_insert_into_buffer() computes
used = used1 - to_copy - sp_size;
memmove(de_t, Add2Ptr(sp, sp_size), used - le32_to_cpu(hdr1->de_off));
where sp and sp_si...
In the Linux kernel, the following vulnerability has been resolved:
ntfs: fix mrec_lock ABBA deadlock in rename
ntfs_file_fsync(), ntfs_dir_fsync() and __ntfs_write_inode() lock an
inode's mrec_lock before taking the mrec_lock of its parent directory.
ntfs_rename() takes old_ni->mrec_lock and old...
In the Linux kernel, the following vulnerability has been resolved:
ntfs: fail attrlist updates when the superblock is inactive
generic_shutdown_super() clears SB_ACTIVE before evicting cached inodes.
If eviction selects the fake inode for a base inode's unnamed
$ATTRIBUTE_LIST attribute, ntfs_evi...
In the Linux kernel, the following vulnerability has been resolved:
ntfs: sanitize MFT references returned from ntfs_lookup_inode_by_name()
ntfs_lookup_inode_by_name() returns MFT references read from directory
index entries on disk. These values are untrusted, but the function can
currently retur...
In the Linux kernel, the following vulnerability has been resolved:
ntfs: avoid self-deadlock during inode eviction
An attribute-list update performed while allocating clusters can drop the
last reference to the temporary attribute inode. Evicting that inode
drops its reference to the base inode a...
In the Linux kernel, the following vulnerability has been resolved:
ntfs: make system files immutable to prevent corruption
When a system file such as $Bitmap is exposed via show_sys_files and
written from userspace, the volume is corrupted and, because the cluster
allocator scans $Bitmap through...
In the Linux kernel, the following vulnerability has been resolved:
ntfs: fix WARN_ON for resident attribute in ntfs_map_runlist_nolock()
When ntfs_map_runlist_nolock() needs to look up the attribute extent
containing a target VCN (ctx_needs_reset == true), it calls
ntfs_attr_lookup() and then exp...
In the Linux kernel, the following vulnerability has been resolved:
ntfs: fix hole runlist memory leak in insert range error path
ntfs_non_resident_attr_insert_range() allocates hole_rl before mapping the
whole runlist. If ntfs_attr_map_whole_runlist() fails, the error path drops
ni->runlist.lock...
In the Linux kernel, the following vulnerability has been resolved:
landlock: Fix LANDLOCK_SCOPE_SIGNAL bypass on the SIGIO path
LANDLOCK_SCOPE_SIGNAL must prevent a sandboxed process from signaling
processes outside its Landlock domain. It can be bypassed through the
asynchronous SIGIO delivery...
In the Linux kernel, the following vulnerability has been resolved:
power: supply: charger-manager: fix refcount leak in is_full_charged()
In is_full_charged(), power_supply_get_by_name() is called to
obtain a reference to the fuel_gauge power supply. If the
voltage check (uV >= desc->fullbatt_uV)...
In the Linux kernel, the following vulnerability has been resolved:
mips: sched: Fix CPUMASK_OFFSTACK memory corruption
This patch addresses a critical memory management flaw. When
CONFIG_CPUMASK_OFFSTACK is enabled, cpumask_var_t is a pointer.
Consequently, sizeof(new_mask) evaluates to the point...
In the Linux kernel, the following vulnerability has been resolved:
mm/huge_memory: preserve pmd_swp_uffd_wp on device-private PMD downgrade
change_non_present_huge_pmd() rewrites a writable device-private PMD swap
entry into a readable one without carrying pmd_swp_uffd_wp() across. The
PTE-level...
In the Linux kernel, the following vulnerability has been resolved:
riscv: cacheinfo: Fix node reference leak in populate_cache_leaves
Currently, the while loop drops the reference to prev in each iteration.
If the loop terminates early due to a break, the final of_node_put(np)
correctly drops the...
In the Linux kernel, the following vulnerability has been resolved:
mm/damon/core: always put unsuccessfully committed target pids
damon_commit_target() puts and gets the destination and the source target
pids. It puts the destination target pid because it will be overwritten
by the source target...
In the Linux kernel, the following vulnerability has been resolved:
mm/damon/sysfs-schemes: fix dir put orders in access_pattern_add_dirs()
Patch series "mm/damon/sysfs-schemes: fix wrong directories put orders in
error paths".
Error paths of damon_sysfs_access_pattern_add_dirs() and
damon_sysfs_...
In the Linux kernel, the following vulnerability has been resolved:
mm/damon/sysfs-schemes: put stats for scheme_add_dirs() internal error
damon_sysfs_scheme_add_dirs() setup the tried_regions directory after the
stats directory setup is completed. When the tried_regions directory
setup is failed...
In the Linux kernel, the following vulnerability has been resolved:
fs/proc/task_mmu: fix make_uffd_wp_huge_pte() prot-update race
Patch series "userfaultfd/pagemap: pre-existing fixes".
These are pre-existing bug fixes that were carried at the front of the
userfaultfd RWP working-set-tracking se...
In the Linux kernel, the following vulnerability has been resolved:
fs/proc/task_mmu: fix hugetlb self-deadlock in pagemap_scan_pte_hole()
A PAGEMAP_SCAN ioctl requesting PM_SCAN_WP_MATCHING on a hugetlb VMA hangs
the calling thread, unkillably, as soon as the scan reaches an unpopulated
part of t...
In the Linux kernel, the following vulnerability has been resolved:
fs/proc/task_mmu: do not warn on seeing non-migration pmd entry
Patch series "mm/hmm: A fix and a selftest", v3.
Patch 1 fixes a stale warning present from the time when only migration
softleaf entries were supported at the PMD l...
In the Linux kernel, the following vulnerability has been resolved:
mm/mm_init: fix uninitialized struct pages for ZONE_DEVICE
If DAX memory is hotplugged into an unoccupied subsection of an early
section, section_activate() reuses the unoptimized boot memmap. However,
compound_nr_pages() still a...
In the Linux kernel, the following vulnerability has been resolved:
mtd: slram: remove failed entries from the device list
register_device() links a new slram_mtdlist entry before allocating all
of the state needed by the entry. If a later allocation, memremap(), or
mtd_device_register() fails, th...
In the Linux kernel, the following vulnerability has been resolved:
9p: skip nlink update in cacheless mode to fix WARN_ON
v9fs_dec_count() unconditionally calls drop_nlink() on regular files,
even when the inode's nlink is already zero. In cacheless mode the
client refetches inode metadata from t...
In the Linux kernel, the following vulnerability has been resolved:
kho: make sure scratch size is always aligned by CMA_MIN_ALIGNMENT_BYTES
When using scratch_scale, the scratch sizes are rounded up to
CMA_MIN_ALIGNMENT_BYTES since they will be released as MIGRATE_CMA. This
is not done when using...
In the Linux kernel, the following vulnerability has been resolved:
mtd: maps: vmu-flash: fix fault in unaligned fixup
Use kzalloc_obj() / kzalloc_objs() to allocate the memcard structs,
instead of kmalloc_obj() / kmalloc_objs() to prevent access to
uninitialized data.
Fixes runtime error: Fault...
In the Linux kernel, the following vulnerability has been resolved:
mtd: rawnand: pl353: fix probe resource allocation
During probe(), the devm_ioremap() is called with the parent device
instead of the current one. So when the module is unloaded, the register
area isn't released.
Target the pl35x...
In the Linux kernel, the following vulnerability has been resolved:
net/9p: fix infinite loop in p9_client_rpc on fatal signal
When p9_client_rpc() is called with type P9_TFLUSH and the transport
has no peer (e.g. fd transport backed by pipes with no 9p server),
a fatal signal causes an infinite l...
In the Linux kernel, the following vulnerability has been resolved:
mtd: rawnand: fix condition in 'nand_select_target()'
'cs' here must be in range [0:nanddev_ntargets[.
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: avoid moving extents to occupied clusters
For non-auto OCFS2_IOC_MOVE_EXT operations, userspace supplies a physical
me_goal. ocfs2_move_extent() initializes new_phys_cpos from that goal and
expects ocfs2_probe_alloc_group(...
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: fix NULL h_transaction deref in ocfs2_assure_trans_credits
[BUG]
A direct write over unwritten extents can panic the kernel in
ocfs2_assure_trans_credits() when the journal aborts during DIO
completion. The crash is a gener...
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: fix UBSAN array-index-out-of-bounds in ocfs2_sum_rightmost_rec
[BUG]
On-disk corruption setting l_next_free_rec to 0 in an inode's embedded
extent list triggers a UBSAN panic on the next write to that file.
[CAUSE]
ocfs2_s...
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: add journal NULL check in ocfs2_checkpoint_inode()
During unmount, ocfs2_journal_shutdown() frees the journal and sets
osb->journal to NULL. Later, when VFS evicts remaining cached inodes,
ocfs2_evict_inode() -> ocfs2_clear...
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: reject dinodes with non-canonical i_mode type
Patch series "ocfs2: harden inode validators against forged metadata", v2.
This series adds three structural checks to OCFS2 dinode validation so
malformed on-disk fields are r...
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: reject non-inline dinodes with i_size and zero i_clusters
On a volume mounted without OCFS2_FEATURE_INCOMPAT_SPARSE_ALLOC, a
non-inline regular file with non-zero i_size and zero i_clusters is
structurally malformed: the ex...
In the Linux kernel, the following vulnerability has been resolved:
fpga: dfl: add bounds check in dfh_get_param_size()
dfh_get_param_size() can return a parameter size larger than the feature
region because the loop bounds check is evaluated before incrementing
size. If the EOP (End of Parameters...
In the Linux kernel, the following vulnerability has been resolved:
net: thunderbolt: Fix frags[] overflow by bounding frame_count
tbnet_poll() assembles a multi-frame ThunderboltIP packet into one skb. The
first frame goes into the skb linear area and every further frame is added as
a page fragme...
In the Linux kernel, the following vulnerability has been resolved:
fpga: microchip-spi: fix zero header_size OOB read in mpf_ops_parse_header()
mpf_ops_parse_header() reads header_size from the bitstream at
MPF_HEADER_SIZE_OFFSET (24). When header_size is zero, the expression
*(buf + header_size...
In the Linux kernel, the following vulnerability has been resolved:
mtd: spi-nor: swp: Improve locking user experience
In the case of the first block being locked (or the few first blocks),
if the user want to fully unlock the device it has two possibilities:
- either it asks to unlock the entire...
In the Linux kernel, the following vulnerability has been resolved:
openrisc: Fix jump_label smp syncing
The original commit 8c30b0018f9d ("openrisc: Add jump label support")
copies from arm64 and does not properly consider how icache invalidation
on remote cores works in OpenRISC. On OpenRISC re...
In the Linux kernel, the following vulnerability has been resolved:
irqchip/crossbar: Use correct index in crossbar_domain_free()
crossbar_domain_free() resets the domain data and then uses the nulled
out irq_data->hwirq member as index to reset the irq_map[] entry and to
write the relevant crossb...
In the Linux kernel, the following vulnerability has been resolved:
tpm: tpm_tis_spi: Use wait_woken() in wait_for_tmp_stat()
wait_event_interruptible_timeout() evaluates its condition after setting
the current task state to TASK_INTERRUPTIBLE.
With CONFIG_DEBUG_ATOMIC_SLEEP this triggers a warni...