8,679 results · Feed
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Unscored —
iio: adc: men_z188_adc: Fix a resource leak in an error handling path
In the Linux kernel, the following vulnerability has been resolved: iio: adc: men_z188_adc: Fix a resource leak in an error handling path If iio_device_register() fails, a previous ioremap() is left unbalanced. Update the error handling path and add the missi…
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Unscored —
usb: gadget: rndis: add spinlock for rndis response list
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: rndis: add spinlock for rndis response list There's no lock for rndis response list. It could cause list corruption if there're two different list_add at the same time like below…
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High 7.1
KVM: x86/mmu: make apf token non-zero to fix bug
In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: make apf token non-zero to fix bug In current async pagefault logic, when a page is ready, KVM relies on kvm_arch_can_dequeue_async_page_present() to determine whether to delive…
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Unscored —
thermal: int340x: fix memory leak in int3400_notify()
In the Linux kernel, the following vulnerability has been resolved: thermal: int340x: fix memory leak in int3400_notify() It is easy to hit the below memory leaks in my TigerLake platform: unreferenced object 0xffff927c8b91dbc0 (size 32): comm "kworker/0:2", …
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Unscored —
btrfs: get rid of warning on transaction commit when using flushoncommit
In the Linux kernel, the following vulnerability has been resolved: btrfs: get rid of warning on transaction commit when using flushoncommit When using the flushoncommit mount option, during almost every transaction commit we trigger a warning from __writebac…
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Unscored —
xen/netfront: destroy queues before real_num_tx_queues is zeroed
In the Linux kernel, the following vulnerability has been resolved: xen/netfront: destroy queues before real_num_tx_queues is zeroed xennet_destroy_queues() relies on info->netdev->real_num_tx_queues to delete queues. Since d7dac083414eb5bb99a6d2ed53dc2c1b405…
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High 7.8
netfilter: fix use-after-free in __nf_register_net_hook()
In the Linux kernel, the following vulnerability has been resolved: netfilter: fix use-after-free in __nf_register_net_hook() We must not dereference @new_hooks after nf_hook_mutex has been released, because other threads might have freed our allocated hooks …
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High 7.8
netfilter: nf_queue: fix possible use-after-free
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_queue: fix possible use-after-free Eric Dumazet says: The sock_hold() side seems suspect, because there is no guarantee that sk_refcnt is not already 0. On failure, we cannot qu…
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Unscored —
net: ipv6: ensure we call ipv6_mc_down() at most once
In the Linux kernel, the following vulnerability has been resolved: net: ipv6: ensure we call ipv6_mc_down() at most once There are two reasons for addrconf_notify() to be called with NETDEV_DOWN: either the network device is actually going down, or IPv6 was …
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Unscored —
net/smc: fix connection leak
In the Linux kernel, the following vulnerability has been resolved: net/smc: fix connection leak There's a potential leak issue under following execution sequence : smc_release smc_connect_work if (sk->sk_state == SMC_INIT) send_clc_confirim tcp_abort(); ... …
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Medium 5.5
net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe()
In the Linux kernel, the following vulnerability has been resolved: net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe() During driver initialization, the pointer of card info, i.e. the variable 'ci' is required. However, the definition of 'com200…
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Unscored —
ibmvnic: free reset-work-item when flushing
In the Linux kernel, the following vulnerability has been resolved: ibmvnic: free reset-work-item when flushing Fix a tiny memory leak when flushing the reset work queue.
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Unscored —
btrfs: do not start relocation until in progress drops are done
In the Linux kernel, the following vulnerability has been resolved: btrfs: do not start relocation until in progress drops are done We hit a bug with a recovering relocation on mount for one of our file systems in production. I reproduced this locally by inje…
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Unscored —
spi: spi-zynq-qspi: Fix a NULL pointer dereference in zynq_qspi_exec_mem_op()
In the Linux kernel, the following vulnerability has been resolved: spi: spi-zynq-qspi: Fix a NULL pointer dereference in zynq_qspi_exec_mem_op() In zynq_qspi_exec_mem_op(), kzalloc() is directly used in memset(), which could lead to a NULL pointer dereferenc…
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High 7.8
nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame()
In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame() Fix a use-after-free that occurs in hcd when in_urb sent from pn533_usb_send_frame() is completed earlier than out_urb. Its…
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Unscored —
net/sched: act_mpls: Fix warning during failed attribute validation
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_mpls: Fix warning during failed attribute validation The 'TCA_MPLS_LABEL' attribute is of 'NLA_U32' type, but has a validation type of 'NLA_VALIDATE_FUNCTION'. This is an inval…
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High 7.8
io_uring: lock overflowing for IOPOLL
In the Linux kernel, the following vulnerability has been resolved: io_uring: lock overflowing for IOPOLL syzbot reports an issue with overflow filling for IOPOLL: WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_urin…
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Unscored —
usb: xhci: Check endpoint is valid before dereferencing it
In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Check endpoint is valid before dereferencing it When the host controller is not responding, all URBs queued to all endpoints need to be killed. This can cause a kernel panic if we …
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Unscored —
nilfs2: fix general protection fault in nilfs_btree_insert()
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix general protection fault in nilfs_btree_insert() If nilfs2 reads a corrupted disk image and tries to reads a b-tree node block by calling __nilfs_btree_get_block() against an inva…
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Unscored —
Add exception protection processing for vd in axi_chan_handle_err function
In the Linux kernel, the following vulnerability has been resolved: Add exception protection processing for vd in axi_chan_handle_err function Since there is no protection for vd, a kernel panic will be triggered here in exceptional cases. You can refer to th…
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Unscored —
xhci: Fix null pointer dereference when host dies
In the Linux kernel, the following vulnerability has been resolved: xhci: Fix null pointer dereference when host dies Make sure xhci_free_dev() and xhci_kill_endpoint_urbs() do not race and cause null pointer dereference when host suddenly dies. Usb core may …
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Unscored —
btrfs: fix race between quota rescan and disable leading to NULL pointer deref
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race between quota rescan and disable leading to NULL pointer deref If we have one task trying to start the quota rescan worker while another one is trying to disable quotas, we ca…
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Unscored —
usb: gadget: f_ncm: fix potential NULL ptr deref in ncm_bitrate()
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_ncm: fix potential NULL ptr deref in ncm_bitrate() In Google internal bug 265639009 we've received an (as yet) unreproducible crash report from an aarch64 GKI 5.10.149-android1…
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Unscored —
gsmi: fix null-deref in gsmi_get_variable
In the Linux kernel, the following vulnerability has been resolved: gsmi: fix null-deref in gsmi_get_variable We can get EFI variables without fetching the attribute, so we must allow for that in gsmi. commit 859748255b43 ("efi: pstore: Omit efivars caching E…
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High 7.8
drm/virtio: Fix GEM handle creation UAF
In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix GEM handle creation UAF Userspace can guess the handle value and try to race GEM object creation with handle close, resulting in a use-after-free if we dereference the object …
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Unscored —
ixgbe: fix pci device refcount leak
In the Linux kernel, the following vulnerability has been resolved: ixgbe: fix pci device refcount leak As the comment of pci_get_domain_bus_and_slot() says, it returns a PCI device with refcount incremented, when finish using it, the caller must decrement th…
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Unscored —
drm/i915/gt: Cleanup partial engine discovery failures
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Cleanup partial engine discovery failures If we abort driver initialisation in the middle of gt/engine discovery, some engines will be fully setup and some not. Those incompletel…
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Unscored —
regulator: da9211: Use irq handler when ready
In the Linux kernel, the following vulnerability has been resolved: regulator: da9211: Use irq handler when ready If the system does not come from reset (like when it is kexec()), the regulator might have an IRQ waiting for us. If we enable the IRQ handler be…
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High 7.8
drm/vmwgfx: Remove rcu locks from user resources
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Remove rcu locks from user resources User resource lookups used rcu to avoid two extra atomics. Unfortunately the rcu paths were buggy and it was easy to make the driver crash by …
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Unscored —
efi: fix NULL-deref in init error path
In the Linux kernel, the following vulnerability has been resolved: efi: fix NULL-deref in init error path In cases where runtime services are not supported or have been disabled, the runtime services workqueue will never have been allocated. Do not try to de…
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Unscored —
wifi: mac80211: sdata can be NULL during AMPDU start
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: sdata can be NULL during AMPDU start ieee80211_tx_ba_session_handle_start() may get NULL for sdata when a deauthentication is ongoing. Here a trace triggering the race with th…
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High 7.8
misc: fastrpc: Don't remove map on creater_process and device_release
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Don't remove map on creater_process and device_release Do not remove the map from the list on error path in fastrpc_init_create_process, instead call fastrpc_map_put, to avoid …
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High 7.8
misc: fastrpc: Fix use-after-free race condition for maps
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix use-after-free race condition for maps It is possible that in between calling fastrpc_map_get() until map->fl->lock is taken in fastrpc_free_map(), another thread can call …
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Unscored —
USB: gadgetfs: Fix race between mounting and unmounting
In the Linux kernel, the following vulnerability has been resolved: USB: gadgetfs: Fix race between mounting and unmounting The syzbot fuzzer and Gerald Lee have identified a use-after-free bug in the gadgetfs driver, involving processes concurrently mounting…
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High 7.8
exec: Fix ToCToU between perm check and set-uid/gid usage
In the Linux kernel, the following vulnerability has been resolved: exec: Fix ToCToU between perm check and set-uid/gid usage When opening a file for exec via do_filp_open(), permission checking is done against the file's metadata at that moment, and on succe…
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High 7.8
mlxsw: spectrum_acl_erp: Fix object nesting warning
In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum_acl_erp: Fix object nesting warning ACLs in Spectrum-2 and newer ASICs can reside in the algorithmic TCAM (A-TCAM) or in the ordinary circuit TCAM (C-TCAM). The former can con…
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Unscored —
wifi: cfg80211: handle 2x996 RU allocation in cfg80211_calculate_bitrate_he()
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: handle 2x996 RU allocation in cfg80211_calculate_bitrate_he() Currently NL80211_RATE_INFO_HE_RU_ALLOC_2x996 is not handled in cfg80211_calculate_bitrate_he(), leading to below…
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High 7.5
RDMA/hns: Fix soft lockup under heavy CEQE load
In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix soft lockup under heavy CEQE load CEQEs are handled in interrupt handler currently. This may cause the CPU core staying in interrupt context too long and lead to soft lockup und…
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Unscored —
devres: Fix memory leakage caused by driver API devm_free_percpu()
In the Linux kernel, the following vulnerability has been resolved: devres: Fix memory leakage caused by driver API devm_free_percpu() It will cause memory leakage when use driver API devm_free_percpu() to free memory allocated by devm_alloc_percpu(), fixed b…
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Unscored —
drm/nouveau: prime: fix refcount underflow
In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: prime: fix refcount underflow Calling nouveau_bo_ref() on a nouveau_bo without initializing it (and hence the backing ttm_bo) leads to a refcount underflow. Instead of calling no…