In the Linux kernel, the following vulnerability has been resolved:
9p: Fix v9fs_issue_write() to update i_size and remote_i_size
Fix v9fs_issue_write() to update i_size and remote_i_size to the new size
of the server file if we made it larger, using the start fpos and the count
returned by p9_cli...
In the Linux kernel, the following vulnerability has been resolved:
ALSA: core: Fix potential UAF after asynchronous card release
Usually a sound driver releases the resources assigned to the card via
snd_card_free(), and it synchronizes with the whole release procedure.
However, when the card is...
In the Linux kernel, the following vulnerability has been resolved:
ALSA: usb-audio: Clamp implicit feedback packet count to URB capacity
data_ep_set_params() allocates each data URB for exactly u->packets
isochronous frames, so urb->iso_frame_desc[] has u->packets slots and
ctx->packets is the dr...
In the Linux kernel, the following vulnerability has been resolved:
ALSA: virtio: reset device before deleting virtqueues
virtsnd_remove() and virtsnd_freeze() delete the virtqueues before
resetting the device. del_vqs() frees the vring backing, but does not
provide a generic device quiesce operat...
In the Linux kernel, the following vulnerability has been resolved:
ASoC: codecs: rt712-sdca-dmic: fix uninitialized stream_config->type
stream_config is not initialized before being passed to
sdw_stream_add_slave(). The type field may contain garbage and is
later copied to stream->type by sdw_co...
In the Linux kernel, the following vulnerability has been resolved:
ata: libahci: clear PxCLBU and PxFBU for AHCI_HFLAG_32BIT_ONLY
A user reported that commit 105c42566a55 ("ata: ahci: force 32-bit DMA for
JMicron JMB582/JMB585") made the JMicron JMB585 unusable on his board.
The failure is seen...
In the Linux kernel, the following vulnerability has been resolved:
cifs: Fix server use-after-free in cifs_chan_skip_or_disable()
When a secondary channel is no longer supported by the server,
cifs_chan_skip_or_disable() drops the channel reference with
cifs_put_tcp_session() and then continues t...
In the Linux kernel, the following vulnerability has been resolved:
exec: Cleanup POSIX timers right after de_thread()
A per-thread CPU timer holds a reference to the PID of the thread it is
attached to and, while it is armed, its node is queued in that thread's
posix_cputimers. The task is looked...
In the Linux kernel, the following vulnerability has been resolved:
fs/dax: check zero or empty entry before converting xarray entry
Calling dax_to_folio() with empty entry causes kernel panic below when
booting a VM with DAX enabled storage.
This patch checks empty entry before calling dax_to_fo...
In the Linux kernel, the following vulnerability has been resolved:
posix-cpu-timers: Prevent freeing a timer which is queued on the expiry list
Kijo analyzed another race in the POSIX CPU timer code:
Commit bf635681c906 converted cpu_timer::firing from a tristate value to a
boolean. This lost th...
In the Linux kernel, the following vulnerability has been resolved:
rds: ib: use rds_conn_drop() on protocol version mismatch
rds_ib_cm_connect_complete() runs from the RDMA-CM event handler with
conn->c_cm_lock held. When the peer negotiates a protocol version
older than RDS_PROTOCOL_COMPAT_VERS...
In the Linux kernel, the following vulnerability has been resolved:
signal: Prevent exec() race
Hyunwoo debugged the following KASAN UAF splat:
BUG: KASAN: slab-use-after-free in __send_signal_locked+0xb27/0xba0
Write of size 8 at addr ffff888007ed80c8 by task poc/79
...
Call Trace:
__...
In the Linux kernel, the following vulnerability has been resolved:
tcp: exclude old ACKs from tcp fast path
Exclude old ACKs before SND.UNA from the tcp fast path
as well as ACKs after SND.NXT.
Such ACKs will fall through to the slow path, where tcp_ack()
performs the appropriate validation and...
In the Linux kernel, the following vulnerability has been resolved:
swiotlb: use the adjusted address for the highmem page lookup
swiotlb_bounce() reads the page frame number from the slot's recorded
orig_addr, then advances orig_addr by tlb_offset to reach the address
the caller asked about. The...
In the Linux kernel, the following vulnerability has been resolved:
RDMA/ucma: Serialize join and leave on copy_to_user failure
rdma_join_multicast() queues RoCE work that later reads the ucma_multicast
through event->param.ud.private_data, then list_add()s the CMA multicast
at the head of id_priv...
In the Linux kernel, the following vulnerability has been resolved:
RDMA/core: fix refcount bug in iwpm_get_nlmsg_request()
iwpm_get_nlmsg_request() initializes refcount _after_ list_add_tail()
making it accessible to global list where another CPU can kref_get()
on nlmsg_request causing a refcount...
In the Linux kernel, the following vulnerability has been resolved:
openvswitch: avoid reallocating confirmed conntrack labels
ovs_ct_get_conn_labels() adds the labels extension when a conntrack
entry does not have one. Confirmed conntracks can be read locklessly,
so adding an extension may reall...
In the Linux kernel, the following vulnerability has been resolved:
nfsd: fix handling of NFSEXP_PNFS in the netlink codepath
The rework of how block layouts were checked moved the check for
NFSEXP_PNFS out of nfsd4_setup_layout_type() and into the callers. That
patch didn't account for the new ca...
In the Linux kernel, the following vulnerability has been resolved:
arm64: hibernate: pass HVC_SET_VECTORS args to the resume hvc
swsusp_arch_suspend_exit() reinstalls the restored kernel's hyp stub
vectors with an hvc, but never passes the arguments. x0 is not set to
HVC_SET_VECTORS and x1 is not...
In the Linux kernel, the following vulnerability has been resolved:
arm64: percpu: Fix LSE operations on {8,16}-bit types
The assembly for __percpu_##name##_case_##sz() and
__percpu_##name##_return_case_##sz() doesn't use the 'sfx' macro
argument to form the LSE instruction. Without 'sfx', a W reg...
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: hci_codec: validate vendor codec count length
The Read Local Supported Codecs parsers consume the variable-sized
standard codec array before parsing the vendor codec count. Although the
initial reply-size check include...
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: hci_sync: Serialize local codec list cleanup
hci_dev_close_sync() clears hdev->local_codecs after releasing hdev->lock.
Codec list additions and both traversals in sco_sock_getsockopt() use that
lock, but the close path...
In the Linux kernel, the following vulnerability has been resolved:
btrfs: take commit root semaphore when iterating in mark_block_group_to_copy()
mark_block_group_to_copy() iterates over the commit root with
skip_locking=true. A concurrent transaction commit can swap and free
the commit root duri...
In the Linux kernel, the following vulnerability has been resolved:
btrfs: clear free space tree creation state on rebuild failure
btrfs_rebuild_free_space_tree() sets BTRFS_FS_CREATING_FREE_SPACE_TREE
before rebuilding the free space tree. Several error paths return
without clearing this flag....
In the Linux kernel, the following vulnerability has been resolved:
dma-buf/dma-fence: fix checking signaling bit for timeline and driver name v3
The patch "dma-buf: dma-fence: Fix potential NULL pointer dereference"
changed the check to test for the ops pointer instead of the signaled
bit to avoi...
In the Linux kernel, the following vulnerability has been resolved:
dma-buf: Fix silent overflow for phys vec to sgt
In case MMIO size is bigger than 4G and peer2peer DMA goes
through host bridge, we trigger a code path that assigns the
total linked IOVA (which is greater than 4G) to mapped_len....
In the Linux kernel, the following vulnerability has been resolved:
ipv6: xfrm: use full sockets in local error paths
xfrm6_local_rxpmtu() and xfrm6_local_error() dereference skb->sk as if it
always pointed at a full IPv6 socket.
That is not guaranteed. TCP SYN-ACK skbs can be owned by a
TCP_NEW_...
In the Linux kernel, the following vulnerability has been resolved:
net: ip_tunnel: initialize `options_len` before referencing options
The following command triggers a kernel panic:
ip link add d0 type dummy; ip link set d0 up
ip route add 10.30.0.0/16 \
encap ip id 300 geneve_opts 4660:...
In the Linux kernel, the following vulnerability has been resolved:
net: lan743x: fix RX checksum use-after-free
lan743x_rx_process_buffer() adds each non-first receive buffer to the
head skb's frag_list. On the last descriptor, lan743x_rx_trim_skb()
linearizes the head and frees the fragment skb...
In the Linux kernel, the following vulnerability has been resolved:
net: wwan: t7xx: validate the netif index in t7xx_ccmni_recv_skb()
The netif index carried in the DPMAIF PIT header is five bits wide,
but ccmni_inst[] only has room for NIC_DEV_MAX (21) entries.
t7xx_ccmni_recv_skb() indexes the...
In the Linux kernel, the following vulnerability has been resolved:
net: wwan: mhi_wwan_mbim: guard against a cyclic NDP chain
The NDP traversal in mhi_mbim_rx() only stops when wNextNdpIndex is
zero. Nothing requires the offsets to advance, so a modem that
points an NDP at itself, or at an earli...
In the Linux kernel, the following vulnerability has been resolved:
net: wwan: mhi_wwan_mbim: check skb_copy_bits() return value
mhi_mbim_rx() ignores the return value of skb_copy_bits() when it
copies each datagram out of the NTB. The datagram offset and length
come from the DPE, which is only c...
In the Linux kernel, the following vulnerability has been resolved:
net/sched: act_api: release tail references on DELACTION failure
A batched RTM_DELACTION request takes a temporary reference on each
action before attempting any deletion. tcf_action_delete() clears
each processed slot and drops i...
In the Linux kernel, the following vulnerability has been resolved:
net/sched: hhf: cap hh_flows_limit at change time
hhf_change() stores TCA_HHF_HH_FLOWS_LIMIT with no upper bound. A huge
hh_flows_limit lets each new heavy-hitter flow pass the
hh_flows_current_cnt check in alloc_new_hh() and forc...
In the Linux kernel, the following vulnerability has been resolved:
net/packet: clear RX owner on VNET header error
Commit 61fad6816fc1 ("net/packet: tpacket_rcv: avoid a producer race
condition") added rx_owner_map and made tpacket_rcv() claim a V1 or V2
ring slot before converting the virtio-net...
In the Linux kernel, the following vulnerability has been resolved:
scsi: core: Validate MODE SENSE lengths in scsi_cdl_enable()
scsi_cdl_enable() uses length fields returned by MODE SENSE to locate
the ATA feature mode page in a 64-byte stack buffer. A target can report
a total length shorter tha...
In the Linux kernel, the following vulnerability has been resolved:
xfrm: serialize state GC with device state flush
The deferred-device pass in xfrm_dev_state_flush() finds states under
xfrm_state_dev_gc_lock, but drops the lock before calling
xfrm_dev_state_free() because the driver callback may...
In the Linux kernel, the following vulnerability has been resolved:
xfrm: use hlist_del_init_rcu for state_cache and state_cache_input
Commit 14acf9652e56 ("xfrm: defensively unhash xfrm_state lists in
__xfrm_state_delete") converted bydst/bysrc/byseq/byspi from
hlist_del_rcu() to hlist_del_init_r...
In the Linux kernel, the following vulnerability has been resolved:
xfrm: save input state data before secpath resets
xfrm_input() stores the current xfrm_state in the skb secpath while it
continues receive-side processing. Some input paths can reset that secpath
before xfrm_input() has finished d...
In the Linux kernel, the following vulnerability has been resolved:
mips: select CONFIG_WEAK_REORDERING_BEYOND_LLSC from CONFIG_EYEQ
On I6500 CPU cores, lld and scd give no ordering guarantees (same as all
other instructions). To respect the assumption that arch_cmpxchg() is
fully ordered, we must...
In the Linux kernel, the following vulnerability has been resolved:
memstick: ms_block: destroy io_queue workqueue on removal
msb_init_disk() creates the per-card ordered workqueue msb->io_queue with
alloc_ordered_workqueue(). It is torn down with destroy_workqueue() only
on the init error path; m...
In the Linux kernel, the following vulnerability has been resolved:
mm, swap: fix SWAP_USAGE_OFFLIST_BIT collision with real usage count
SWAP_USAGE_OFFLIST_BIT is embedded in the si->inuse_pages usage counter,
and is meant to sit above any value that counter can reach. However, it
is defined from...
In the Linux kernel, the following vulnerability has been resolved:
mm/shrinker: fix bogus set_shrinker_bit() with cgroup.memory=nokmem
With cgroup.memory=nokmem, shrinker_memcg_alloc() bails out early and
never allocates an id, so shrinker->id keeps the 0 it got from the
kzalloc() in shrinker_all...
In the Linux kernel, the following vulnerability has been resolved:
mm/vma: correctly unaccount on mmap_prepare() failure
__mmap_setup() accounts memory for relevant mappings via:
security_vm_enough_memory_mm()
-> __vm_enough_memory()
-> vm_acct_memory()
If __mmap_setup() fails, this indic...
In the Linux kernel, the following vulnerability has been resolved:
mm: filemap: retain mapped dropbehind folios
Fault-around can map ready dropbehind folios without going through the
normal page-cache lookup that clears dropbehind. A mapping represents a
competing cached user, so retain the foli...
In the Linux kernel, the following vulnerability has been resolved:
KEYS: encrypted: fix integer overflow of datablob_len
encrypted_key_alloc() stores datablob_len in a u16. It is computed from
multiple string and payload lengths. If the result exceeds U16_MAX, the
assignment truncates the allocat...
In the Linux kernel, the following vulnerability has been resolved:
KEYS: trusted: Fix tpm2_load_cmd() boundary check
tpm2_load_cmd() does boundary checks against the ASN.1 size i.e.,
payload->blob_len. Address this by passing the decoded blob size to
tpm2_load_cmd(), and use it for the boundary c...
In the Linux kernel, the following vulnerability has been resolved:
sched_ext: Fix NULL sched deref in kfunc sub-sched error paths
When the root scheduler has sub-scheds attached, the COMPAT kfunc
wrappers scx_bpf_select_cpu_and() and scx_bpf_dsq_insert_vtime() refuse
the call and report to @p's s...
In the Linux kernel, the following vulnerability has been resolved:
sched_ext: Close the pre-enable ops error claim window
scx_alloc_and_add_sched() publishes ops->priv before
scx_root_enable_workfn() switches the state to SCX_ENABLING. An error
claimed via scx_bpf_error_bstr() from an associated...
In the Linux kernel, the following vulnerability has been resolved:
i2c: atr: fix dangling adapter pointer on add failure
i2c_atr_add_adapter() stores atr->adapter[chan_id] before
i2c_add_adapter() so that the I2C bus notifier can match child clients
during registration. On failure the channel is...