12,260 results · Feed
-
High 7.8
btrfs: fix crash on racing fsync and size-extending write into prealloc
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix crash on racing fsync and size-extending write into prealloc We have been seeing crashes on duplicate keys in btrfs_set_item_key_safe(): BTRFS critical (device vdb): slot 4 key (45…
-
High 7.8
nilfs2: fix potential kernel bug due to lack of writeback flag waiting
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential kernel bug due to lack of writeback flag waiting Destructive writes to a block device on which nilfs2 is mounted can cause a kernel bug in the folio/page writeback start…
-
Unscored —
media: lgdt3306a: Add a check against null-pointer-def
In the Linux kernel, the following vulnerability has been resolved: media: lgdt3306a: Add a check against null-pointer-def The driver should check whether the client provides the platform_data. The following log reveals it: [ 29.610324] BUG: KASAN: null-ptr-d…
-
Unscored —
fpga: manager: add owner module and take its refcount
In the Linux kernel, the following vulnerability has been resolved: fpga: manager: add owner module and take its refcount The current implementation of the fpga manager assumes that the low-level module registers a driver for the parent device and uses its ow…
-
Unscored —
fpga: bridge: add owner module and take its refcount
In the Linux kernel, the following vulnerability has been resolved: fpga: bridge: add owner module and take its refcount The current implementation of the fpga bridge assumes that the low-level module registers a driver for the parent device and uses its owne…
-
Unscored —
fpga: region: add owner module and take its refcount
In the Linux kernel, the following vulnerability has been resolved: fpga: region: add owner module and take its refcount The current implementation of the fpga region assumes that the low-level module registers a driver for the parent device and uses its owne…
-
High 7.8
f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock
In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock It needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock to avoid racing with checkpoint, other…
-
High 7.1
f2fs: compress: don't allow unaligned truncation on released compress inode
In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: don't allow unaligned truncation on released compress inode f2fs image may be corrupted after below testcase: - mkfs.f2fs -O extra_attr,compression -f /dev/vdb - mount /dev/vd…
-
High 7.8
um: Add winch to winch_handlers before registering winch IRQ
In the Linux kernel, the following vulnerability has been resolved: um: Add winch to winch_handlers before registering winch IRQ Registering a winch IRQ is racy, an interrupt may occur before the winch is added to the winch_handlers list. If that happens, reg…
-
Unscored —
riscv: prevent pt_regs corruption for secondary idle threads
In the Linux kernel, the following vulnerability has been resolved: riscv: prevent pt_regs corruption for secondary idle threads Top of the kernel thread stack should be reserved for pt_regs. However this is not the case for the idle threads of the secondary …
-
Unscored —
dma-mapping: benchmark: fix node id validation
In the Linux kernel, the following vulnerability has been resolved: dma-mapping: benchmark: fix node id validation While validating node ids in map_benchmark_ioctl(), node_possible() may be provided with invalid argument outside of [0,MAX_NUMNODES-1] range le…
-
High 7.8
dma-mapping: benchmark: handle NUMA_NO_NODE correctly
In the Linux kernel, the following vulnerability has been resolved: dma-mapping: benchmark: handle NUMA_NO_NODE correctly cpumask_of_node() can be called for NUMA_NO_NODE inside do_map_benchmark() resulting in the following sanitizer report: UBSAN: array-inde…
-
Unscored —
bpf: Allow delete from sockmap/sockhash only if update is allowed
In the Linux kernel, the following vulnerability has been resolved: bpf: Allow delete from sockmap/sockhash only if update is allowed We have seen an influx of syzkaller reports where a BPF program attached to a tracepoint triggers a locking rule violation by…
-
Unscored —
dma-buf/sw-sync: don't enable IRQ from sync_print_obj()
In the Linux kernel, the following vulnerability has been resolved: dma-buf/sw-sync: don't enable IRQ from sync_print_obj() Since commit a6aa8fca4d79 ("dma-buf/sw-sync: Reduce irqsave/irqrestore from known context") by error replaced spin_unlock_irqrestore() …
-
High 7.3
enic: Validate length of nl attributes in enic_set_vf_port
In the Linux kernel, the following vulnerability has been resolved: enic: Validate length of nl attributes in enic_set_vf_port enic_set_vf_port assumes that the nl attribute IFLA_PORT_PROFILE is of length PORT_PROFILE_MAX and that the nl attributes IFLA_PORT_…
-
Unscored —
greybus: lights: check return of get_channel_from_mode
In the Linux kernel, the following vulnerability has been resolved: greybus: lights: check return of get_channel_from_mode If channel for the given node is not found we return null from get_channel_from_mode. Make sure we validate the return pointer before us…
-
High 7.8
soundwire: cadence: fix invalid PDI offset
In the Linux kernel, the following vulnerability has been resolved: soundwire: cadence: fix invalid PDI offset For some reason, we add an offset to the PDI, presumably to skip the PDI0 and PDI1 which are reserved for BPT. This code is however completely wrong…
-
Unscored —
serial: max3100: Lock port->lock when calling uart_handle_cts_change()
In the Linux kernel, the following vulnerability has been resolved: serial: max3100: Lock port->lock when calling uart_handle_cts_change() uart_handle_cts_change() has to be called with port lock taken, Since we run it in a separate work, the lock may not be …
-
Unscored —
serial: max3100: Update uart_driver_registered on driver removal
In the Linux kernel, the following vulnerability has been resolved: serial: max3100: Update uart_driver_registered on driver removal The removal of the last MAX3100 device triggers the removal of the driver. However, code doesn't update the respective global …
-
Unscored —
vfio/pci: fix potential memory leak in vfio_intx_enable()
In the Linux kernel, the following vulnerability has been resolved: vfio/pci: fix potential memory leak in vfio_intx_enable() If vfio_irq_ctx_alloc() failed will lead to 'name' memory leak.
-
Unscored —
watchdog: cpu5wdt.c: Fix use-after-free bug caused by cpu5wdt_trigger
In the Linux kernel, the following vulnerability has been resolved: watchdog: cpu5wdt.c: Fix use-after-free bug caused by cpu5wdt_trigger When the cpu5wdt module is removing, the origin code uses del_timer() to de-activate the timer. If the timer handler is r…
-
High 7.8
usb: gadget: u_audio: Fix race condition use of controls after free during gadget unbind.
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: u_audio: Fix race condition use of controls after free during gadget unbind. Hang on to the control IDs instead of pointers since those are correctly handled with locks.
-
Unscored —
stm class: Fix a double free in stm_register_device()
In the Linux kernel, the following vulnerability has been resolved: stm class: Fix a double free in stm_register_device() The put_device(&stm->dev) call will trigger stm_device_release() which frees "stm" so the vfree(stm) on the next line is a double free.
-
Unscored —
fs/ntfs3: Check 'folio' pointer for NULL
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Check 'folio' pointer for NULL It can be NULL if bmap is called.
-
High 7.8
fs/ntfs3: Use variable length array instead of fixed size
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Use variable length array instead of fixed size Should fix smatch warning: ntfs_set_label() error: __builtin_memcpy() 'uni->name' too small (20 vs 256)
-
Unscored —
fs/ntfs3: Use 64 bit variable to avoid 32 bit overflow
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Use 64 bit variable to avoid 32 bit overflow For example, in the expression: vbo = 2 * vbo + skip
-
Unscored —
media: stk1160: fix bounds checking in stk1160_copy_video()
In the Linux kernel, the following vulnerability has been resolved: media: stk1160: fix bounds checking in stk1160_copy_video() The subtract in this condition is reversed. The ->length is the length of the buffer. The ->bytesused is how many bytes we have cop…
-
High 8.8
nfc: nci: Fix uninit-value in nci_rx_work
In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in nci_rx_work syzbot reported the following uninit-value access issue [1] nci_rx_work() parses received packet from ndev->rx_q. It should be validated header size,…
-
Unscored —
tcp: Fix shift-out-of-bounds in dctcp_update_alpha().
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix shift-out-of-bounds in dctcp_update_alpha(). In dctcp_update_alpha(), we use a module parameter dctcp_shift_g as follows: alpha -= min_not_zero(alpha, alpha >> dctcp_shift_g); ... de…
-
Unscored —
tls: fix missing memory barrier in tls_init
In the Linux kernel, the following vulnerability has been resolved: tls: fix missing memory barrier in tls_init In tls_init(), a write memory barrier is missing, and store-store reordering may cause NULL dereference in tls_{setsockopt,getsockopt}. CPU0 CPU1 -…
-
Unscored —
net: relax socket state check at accept time.
In the Linux kernel, the following vulnerability has been resolved: net: relax socket state check at accept time. Christoph reported the following splat: WARNING: CPU: 1 PID: 772 at net/ipv4/af_inet.c:761 __inet_accept+0x1f4/0x4a0 Modules linked in: CPU: 1 PI…
-
Unscored —
null_blk: fix null-ptr-dereference while configuring 'power' and 'submit_queues'
In the Linux kernel, the following vulnerability has been resolved: null_blk: fix null-ptr-dereference while configuring 'power' and 'submit_queues' Writing 'power' and 'submit_queues' concurrently will trigger kernel panic: Test script: modprobe null_blk nr_…
-
High 7.8
netfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu() syzbot reported that nf_reinject() could be called without rcu_read_lock() : WARNING: suspicious RCU usage 6.9.0-…
-
Unscored —
netfilter: tproxy: bail out if IP has been disabled on the device
In the Linux kernel, the following vulnerability has been resolved: netfilter: tproxy: bail out if IP has been disabled on the device syzbot reports: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN …
-
Unscored —
net/sched: taprio: extend minimum interval restriction to entire cycle too
In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: extend minimum interval restriction to entire cycle too It is possible for syzbot to side-step the restriction imposed by the blamed commit in the Fixes: tag, because the t…
-
Unscored —
ipvlan: Dont Use skb->sk in ipvlan_process_v{4,6}_outbound
In the Linux kernel, the following vulnerability has been resolved: ipvlan: Dont Use skb->sk in ipvlan_process_v{4,6}_outbound Raw packet from PF_PACKET socket ontop of an IPv6-backed ipvlan device will hit WARN_ON_ONCE() in sk_mc_loop() through sch_direct_xm…
-
Unscored —
genirq/cpuhotplug, x86/vector: Prevent vector leak during CPU offline
In the Linux kernel, the following vulnerability has been resolved: genirq/cpuhotplug, x86/vector: Prevent vector leak during CPU offline The absence of IRQD_MOVE_PCNTXT prevents immediate effectiveness of interrupt affinity reconfiguration via procfs. Instea…
-
Medium 4.4
Input: cyapa - add missing input core locking to suspend/resume functions
In the Linux kernel, the following vulnerability has been resolved: Input: cyapa - add missing input core locking to suspend/resume functions Grab input->mutex during suspend/resume functions like it is done in other input drivers. This fixes the following wa…
-
Unscored —
isdn: cpai: check ctr->cnr to avoid array index out of bound
In the Linux kernel, the following vulnerability has been resolved: isdn: cpai: check ctr->cnr to avoid array index out of bound The cmtp_add_connection() would add a cmtp session to a controller and run a kernel thread to process cmtp. __module_get(THIS_MODU…
-
High 7.8
drm/vmwgfx: Fix stale file descriptors on failed usercopy
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix stale file descriptors on failed usercopy A failing usercopy of the fence_rep object will lead to a stale entry in the file descriptor table as put_unused_fd() won't release i…