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Medium 6.2
drm/amd/display: Prevent crash when disable stream
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Prevent crash when disable stream [Why] Disabling stream encoder invokes a function that no longer exists. [How] Check if the function declaration is NULL in disable stream e…
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Medium 5.5
net: ll_temac: platform_get_resource replaced by wrong function
In the Linux kernel, the following vulnerability has been resolved: net: ll_temac: platform_get_resource replaced by wrong function The function platform_get_resource was replaced with devm_platform_ioremap_resource_byname and is called using 0 as name. This …
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Medium 5.3
ALSA: usb-audio: Stop parsing channels bits when all channels are found.
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Stop parsing channels bits when all channels are found. If a usb audio device sets more bits than the amount of channels it could write outside of the map array.
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Medium 5.5
power: supply: bq27xxx-i2c: Do not free non existing IRQ
In the Linux kernel, the following vulnerability has been resolved: power: supply: bq27xxx-i2c: Do not free non existing IRQ The bq27xxx i2c-client may not have an IRQ, in which case client->irq will be 0. bq27xxx_battery_i2c_probe() already has an if (client…
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Medium 5.8
phonet/pep: fix racy skb_queue_empty() use
In the Linux kernel, the following vulnerability has been resolved: phonet/pep: fix racy skb_queue_empty() use The receive queues are protected by their respective spin-lock, not the socket lock. This could lead to skb_peek() unexpectedly returning NULL or a …
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Medium 5.3
drm/amd/display: fix memory leak when using debugfs_lookup()
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix memory leak when using debugfs_lookup() When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. Fix this up by p…
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Medium 5.3
netfilter: nf_tables: clean up hook list when offload flags check fails
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: clean up hook list when offload flags check fails splice back the hook list so nft_chain_release_hook() has a chance to release the hooks. BUG: memory leak unreferenced …
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Medium 5.3
tcp: TX zerocopy should not sense pfmemalloc status
In the Linux kernel, the following vulnerability has been resolved: tcp: TX zerocopy should not sense pfmemalloc status We got a recent syzbot report [1] showing a possible misuse of pfmemalloc page status in TCP zerocopy paths. Indeed, for pages coming from …
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Medium 5.5
media: usbtv: Remove useless locks in usbtv_video_free()
In the Linux kernel, the following vulnerability has been resolved: media: usbtv: Remove useless locks in usbtv_video_free() Remove locks calls in usbtv_video_free() because are useless and may led to a deadlock as reported here: https://syzkaller.appspot.com…
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Medium 5.5
SUNRPC: fix a memleak in gss_import_v2_context
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix a memleak in gss_import_v2_context The ctx->mech_used.data allocated by kmemdup is not freed in neither gss_import_v2_context nor it only caller gss_krb5_import_sec_context, which…
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Medium 5.5
powerpc/pseries: Fix potential memleak in papr_get_attr()
In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix potential memleak in papr_get_attr() `buf` is allocated in papr_get_attr(), and krealloc() of `buf` could fail. We need to free the original `buf` in the case of failure.
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Medium 5.5
s390/dasd: fix double module refcount decrement
In the Linux kernel, the following vulnerability has been resolved: s390/dasd: fix double module refcount decrement Once the discipline is associated with the device, deleting the device takes care of decrementing the module's refcount. Doing it manually on t…
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Medium 5.5
drm/amd/display: fix NULL checks for adev->dm.dc in amdgpu_dm_fini()
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix NULL checks for adev->dm.dc in amdgpu_dm_fini() Since 'adev->dm.dc' in amdgpu_dm_fini() might turn out to be NULL before the call to dc_enable_dmub_notifications(), check…
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Medium 4.7
drm/amd/display: Add 'replay' NULL check in 'edp_set_replay_allow_active()'
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add 'replay' NULL check in 'edp_set_replay_allow_active()' In the first if statement, we're checking if 'replay' is NULL. But in the second if statement, we're not checking i…
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Medium 5.5
clk: zynq: Prevent null pointer dereference caused by kmalloc failure
In the Linux kernel, the following vulnerability has been resolved: clk: zynq: Prevent null pointer dereference caused by kmalloc failure The kmalloc() in zynq_clk_setup() will return null if the physical memory has run out. As a result, if we use snprintf() …
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Medium 6.3
f2fs: fix to avoid potential panic during recovery
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential panic during recovery During recovery, if FAULT_BLOCK is on, it is possible that f2fs_reserve_new_block() will return -ENOSPC during recovery, then it may trigger…
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Medium 6.5
spi: spi-mt65xx: Fix NULL pointer access in interrupt handler
In the Linux kernel, the following vulnerability has been resolved: spi: spi-mt65xx: Fix NULL pointer access in interrupt handler The TX buffer in spi_transfer can be a NULL pointer, so the interrupt handler may end up writing to the invalid memory and cause …
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Medium 5.5
KVM: x86/mmu: x86: Don't overflow lpage_info when checking attributes
In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: x86: Don't overflow lpage_info when checking attributes Fix KVM_SET_MEMORY_ATTRIBUTES to not overflow lpage_info array and trigger KASAN splat, as seen in the private_mem_conver…
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Medium 5.5
nouveau: fix instmem race condition around ptr stores
In the Linux kernel, the following vulnerability has been resolved: nouveau: fix instmem race condition around ptr stores Running a lot of VK CTS in parallel against nouveau, once every few hours you might see something like this crash. BUG: kernel NULL point…
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Medium 5.5
pci_iounmap(): Fix MMIO mapping leak
In the Linux kernel, the following vulnerability has been resolved: pci_iounmap(): Fix MMIO mapping leak The #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentally also guards iounmap(), which means MMIO mappings are leaked. Move the guard so we call iounmap() for M…
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Medium 5.5
clk: qcom: gcc-ipq6018: fix terminating of frequency table arrays
In the Linux kernel, the following vulnerability has been resolved: clk: qcom: gcc-ipq6018: fix terminating of frequency table arrays The frequency table arrays are supposed to be terminated with an empty element. Add such entry to the end of the arrays where…
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Medium 5.5
nilfs2: fix failure to detect DAT corruption in btree and direct mappings
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix failure to detect DAT corruption in btree and direct mappings Patch series "nilfs2: fix kernel bug at submit_bh_wbc()". This resolves a kernel BUG reported by syzbot. Since there …
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Medium 5.5
net: phy: qcom: at803x: fix kernel panic with at8031_probe
In the Linux kernel, the following vulnerability has been resolved: net: phy: qcom: at803x: fix kernel panic with at8031_probe On reworking and splitting the at803x driver, in splitting function of at803x PHYs it was added a NULL dereference bug where priv is…
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Medium 5.5
drm/vmwgfx: Create debugfs ttm_resource_manager entry only if needed
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Create debugfs ttm_resource_manager entry only if needed The driver creates /sys/kernel/debug/dri/0/mob_ttm even when the corresponding ttm_resource_manager is not allocated. This…
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Medium 5.5
gpiolib: cdev: Set lineevent_state::irq after IRQ register successfully
In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Set lineevent_state::irq after IRQ register successfully When running gpio test on nxp-ls1028 platform with below command gpiomon --num-events=3 --rising-edge gpiochip1 25 Ther…
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Medium 4.7
scsi: qla2xxx: Fix memory leak in __qlt_24xx_handle_abts()
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix memory leak in __qlt_24xx_handle_abts() Commit 8f394da36a36 ("scsi: qla2xxx: Drop TARGET_SCF_LOOKUP_LUN_FROM_TAG") made the __qlt_24xx_handle_abts() function return early i…
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Medium 6.2
sfc/siena: fix null pointer dereference in efx_hard_start_xmit
In the Linux kernel, the following vulnerability has been resolved: sfc/siena: fix null pointer dereference in efx_hard_start_xmit Like in previous patch for sfc, prevent potential (but unlikely) NULL pointer dereference.
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Medium 5.3
cgroup: cgroup_get_from_id() must check the looked-up kn is a directory
In the Linux kernel, the following vulnerability has been resolved: cgroup: cgroup_get_from_id() must check the looked-up kn is a directory cgroup has to be one kernfs dir, otherwise kernel panic is caused, especially cgroup id is provide from userspace.
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Medium 6.2
fsdax: Fix infinite loop in dax_iomap_rw()
In the Linux kernel, the following vulnerability has been resolved: fsdax: Fix infinite loop in dax_iomap_rw() I got an infinite loop and a WARNING report when executing a tail command in virtiofs. WARNING: CPU: 10 PID: 964 at fs/iomap/iter.c:34 iomap_iter+0x…
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Medium 5.3
drm/gma500: Fix BUG: sleeping function called from invalid context errors
In the Linux kernel, the following vulnerability has been resolved: drm/gma500: Fix BUG: sleeping function called from invalid context errors gma_crtc_page_flip() was holding the event_lock spinlock while calling crtc_funcs->mode_set_base() which takes ww_mut…
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Medium 5.5
drm/amdgpu: Reset IH OVERFLOW_CLEAR bit
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Reset IH OVERFLOW_CLEAR bit Allows us to detect subsequent IH ring buffer overflows as well.
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Medium 5.5
Bluetooth: rfcomm: Fix null-ptr-deref in rfcomm_check_security
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: rfcomm: Fix null-ptr-deref in rfcomm_check_security During our fuzz testing of the connection and disconnection process at the RFCOMM layer, we discovered this bug. By comparing th…
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Medium 5.3
do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak
In the Linux kernel, the following vulnerability has been resolved: do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak syzbot identified a kernel information leak vulnerability in do_sys_name_to_handle() and issued the following report [1]. [1] "BU…
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Medium 6.0
ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()
In the Linux kernel, the following vulnerability has been resolved: ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit() After unregistering the CPU idle device, the memory associated with it is not freed, leading to a memory leak: unreference…
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Medium 5.5
Bluetooth: hci_core: Fix possible buffer overflow
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix possible buffer overflow struct hci_dev_info has a fixed size name[8] field so in the event that hdev->name is bigger than that strcpy would attempt to write past its…
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Medium 6.5
Bluetooth: af_bluetooth: Fix deadlock
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: af_bluetooth: Fix deadlock Attemting to do sock_lock on .recvmsg may cause a deadlock as shown bellow, so instead of using sock_sock this uses sk_receive_queue.lock on bt_sock_ioct…
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Medium 6.4
media: pvrusb2: fix uaf in pvr2_context_set_notify
In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix uaf in pvr2_context_set_notify [Syzbot reported] BUG: KASAN: slab-use-after-free in pvr2_context_set_notify+0x2c4/0x310 drivers/media/usb/pvrusb2/pvrusb2-context.c:35 Read…
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Medium 4.4
nvme-fc: do not wait in vain when unloading module
In the Linux kernel, the following vulnerability has been resolved: nvme-fc: do not wait in vain when unloading module The module exit path has race between deleting all controllers and freeing 'left over IDs'. To prevent double free a synchronization between…
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Medium 6.0
efi: runtime: Fix potential overflow of soft-reserved region size
In the Linux kernel, the following vulnerability has been resolved: efi: runtime: Fix potential overflow of soft-reserved region size md_size will have been narrowed if we have >= 4GB worth of pages in a soft-reserved region.
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Medium 5.3
NULL pointer deference in acpi_db_convert_to_package of Linux acpi module
The memory allocation function ACPI_ALLOCATE_ZEROED does not guarantee a successful allocation, but the subsequent code directly dereferences the pointer that receives it, which may lead to null pointer dereference. To fix this issue, a null pointer check sho…