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High 8.4
drm/msm/dp: Drop aux devices together with DP controller
In the Linux kernel, the following vulnerability has been resolved: drm/msm/dp: Drop aux devices together with DP controller Using devres to depopulate the aux bus made sure that upon a probe deferral the EDP panel device would be destroyed and recreated upon…
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High 7.8
f2fs: fix to do sanity check on direct node in truncate_dnode()
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on direct node in truncate_dnode() syzbot reports below bug: BUG: KASAN: slab-use-after-free in f2fs_truncate_data_blocks_range+0x122a/0x14c0 fs/f2fs/file.c:574 R…
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High 7.8
drm/ttm: Don't leak a resource on swapout move error
In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Don't leak a resource on swapout move error If moving the bo to system for swapout failed, we were leaking a resource. Fix.
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High 7.8
f2fs: synchronize atomic write aborts
In the Linux kernel, the following vulnerability has been resolved: f2fs: synchronize atomic write aborts To fix a race condition between atomic write aborts, I use the inode lock and make COW inode to be re-usable thoroughout the whole atomic file inode life…
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High 7.8
bpf, sockmap: Fix skb refcnt race after locking changes
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix skb refcnt race after locking changes There is a race where skb's from the sk_psock_backlog can be referenced after userspace side has already skb_consumed() the sk_buff and…
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High 7.8
f2fs: flush inode if atomic file is aborted
In the Linux kernel, the following vulnerability has been resolved: f2fs: flush inode if atomic file is aborted Let's flush the inode being aborted atomic operation to avoid stale dirty inode during eviction in this call stack: f2fs_mark_inode_dirty_sync+0x22…
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High 7.8
Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor()
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor() KSAN reports use-after-free in hci_add_adv_monitor(). While adding an adv monitor, hci_add_adv_monitor() calls -> ms…
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High 8.8
Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp} Similar to commit d0be8347c623 ("Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put"), just use l2cap_chan_hold_u…
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High 7.8
netlink: annotate lockless accesses to nlk->max_recvmsg_len
In the Linux kernel, the following vulnerability has been resolved: netlink: annotate lockless accesses to nlk->max_recvmsg_len syzbot reported a data-race in data-race in netlink_recvmsg() [1] Indeed, netlink_recvmsg() can be run concurrently, and netlink_du…
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High 7.8
block/rq_qos: protect rq_qos apis with a new lock
In the Linux kernel, the following vulnerability has been resolved: block/rq_qos: protect rq_qos apis with a new lock commit 50e34d78815e ("block: disable the elevator int del_gendisk") move rq_qos_exit() from disk_release() to del_gendisk(), this will introd…
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High 8.8
wifi: ath11k: Ignore frags from uninitialized peer in dp.
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: Ignore frags from uninitialized peer in dp. When max virtual ap interfaces are configured in all the bands with ACS and hostapd restart is done every 60s, a crash is observed at…
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High 7.0
ipmi: fix use after free in _ipmi_destroy_user()
In the Linux kernel, the following vulnerability has been resolved: ipmi: fix use after free in _ipmi_destroy_user() The intf_free() function frees the "intf" pointer so we cannot dereference it again on the next line.
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High 7.5
net: rds: don't hold sock lock when cancelling work from rds_tcp_reset_callbacks()
In the Linux kernel, the following vulnerability has been resolved: net: rds: don't hold sock lock when cancelling work from rds_tcp_reset_callbacks() syzbot is reporting lockdep warning at rds_tcp_reset_callbacks() [1], for commit ac3615e7f3cffe2a ("RDS: TCP…
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High 7.8
ext4: fix use-after-free in ext4_orphan_cleanup
In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in ext4_orphan_cleanup I caught a issue as follows: ================================================================== BUG: KASAN: use-after-free in __list_add_valid+…
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High 7.5
RDMA/rxe: Fix "kernel NULL pointer dereference" error
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix "kernel NULL pointer dereference" error When rxe_queue_init in the function rxe_qp_init_req fails, both qp->req.task.func and qp->req.task.arg are not initialized. Because of cr…
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High 7.5
ext4: fix deadlock due to mbcache entry corruption
In the Linux kernel, the following vulnerability has been resolved: ext4: fix deadlock due to mbcache entry corruption When manipulating xattr blocks, we can deadlock infinitely looping inside ext4_xattr_block_set() where we constantly keep finding xattr bloc…
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High 7.1
wifi: ath11k: fix failed to find the peer with peer_id 0 when disconnected
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix failed to find the peer with peer_id 0 when disconnected It has a fail log which is ath11k_dbg in ath11k_dp_rx_process_mon_status(), as below, it will not print when debug_m…
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High 7.8
amdgpu: validate offset_in_bo of drm_amdgpu_gem_va
In the Linux kernel, the following vulnerability has been resolved: amdgpu: validate offset_in_bo of drm_amdgpu_gem_va This is motivated by OOB access in amdgpu_vm_update_range when offset_in_bo+map_size overflows. v2: keep the validations in amdgpu_vm_bo_map…
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High 7.5
crypto: lib/mpi - avoid null pointer deref in mpi_cmp_ui()
In the Linux kernel, the following vulnerability has been resolved: crypto: lib/mpi - avoid null pointer deref in mpi_cmp_ui() During NVMeTCP Authentication a controller can trigger a kernel oops by specifying the 8192 bit Diffie Hellman group and passing a c…
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High 7.8
drm/amdkfd: fix potential kgd_mem UAFs
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix potential kgd_mem UAFs kgd_mem pointers returned by kfd_process_device_translate_handle are only guaranteed to be valid while p->mutex is held. As soon as the mutex is unlocke…
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High 7.8
blk-mq: release crypto keyslot before reporting I/O complete
In the Linux kernel, the following vulnerability has been resolved: blk-mq: release crypto keyslot before reporting I/O complete Once all I/O using a blk_crypto_key has completed, filesystems can call blk_crypto_evict_key(). However, the block layer currently…
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High 7.8
drm/amd/display: populate subvp cmd info only for the top pipe
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: populate subvp cmd info only for the top pipe [Why] System restart observed while changing the display resolution to 8k with extended mode. Sytem restart was caused by a page…
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High 7.8
nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode()
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode() During unmount process of nilfs2, nothing holds nilfs_root structure after nilfs2 detaches its writer in nilfs_detach_log_w…
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High 8.1
scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()
In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process() A fix for: BUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0x949/0xe30 [ses] Read of size 1 at addr ffff88a1b043…
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High 7.8
ubi: Fix use-after-free when volume resizing failed
In the Linux kernel, the following vulnerability has been resolved: ubi: Fix use-after-free when volume resizing failed There is an use-after-free problem reported by KASAN: ================================================================== BUG: KASAN: use-af…
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High 7.1
HID: wacom: Use ktime_t rather than int when dealing with timestamps
In the Linux kernel, the following vulnerability has been resolved: HID: wacom: Use ktime_t rather than int when dealing with timestamps Code which interacts with timestamps needs to use the ktime_t type returned by functions like ktime_get. The int type does…
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High 7.8
iommufd: IOMMUFD_DESTROY should not increase the refcount
In the Linux kernel, the following vulnerability has been resolved: iommufd: IOMMUFD_DESTROY should not increase the refcount syzkaller found a race where IOMMUFD_DESTROY increments the refcount: obj = iommufd_get_object(ucmd->ictx, cmd->id, IOMMUFD_OBJ_ANY);…
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High 7.8
bpf: Zeroing allocated object from slab in bpf memory allocator
In the Linux kernel, the following vulnerability has been resolved: bpf: Zeroing allocated object from slab in bpf memory allocator Currently the freed element in bpf memory allocator may be immediately reused, for htab map the reuse will reinitialize special…
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High 8.8
mt76: mt7921: don't assume adequate headroom for SDIO headers
In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: don't assume adequate headroom for SDIO headers mt7921_usb_sdio_tx_prepare_skb() calls mt7921_usb_sdio_write_txwi() and mt7921_skb_add_usb_sdio_hdr(), both of which blindly assu…
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High 7.8
smc: Fix use-after-free in tcp_write_timer_handler().
In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcp_write_timer_handler(). With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcp_write_timer_handler() by kernel TCP sockets. [0] If SMC c…
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High 7.8
accel/qaic: Clean up integer overflow checking in map_user_pages()
In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Clean up integer overflow checking in map_user_pages() The encode_dma() function has some validation on in_trans->size but it would be more clear to move those checks to find_and_…
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High 8.1
nfc: pn533: Clear nfc_target before being used
In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: Clear nfc_target before being used Fix a slab-out-of-bounds read that occurs in nla_put() called from nfc_genl_send_target() when target->sensb_res_len, which is duplicated from a…
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High 7.8
bpf: Fix reference state management for synchronous callbacks
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix reference state management for synchronous callbacks Currently, verifier verifies callback functions (sync and async) as if they will be executed once, (i.e. it explores execution st…
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High 7.8
regmap-irq: Fix out-of-bounds access when allocating config buffers
In the Linux kernel, the following vulnerability has been resolved: regmap-irq: Fix out-of-bounds access when allocating config buffers When allocating the 2D array for handling IRQ type registers in regmap_add_irq_chip_fwnode(), the intent is to allocate a m…
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High 7.8
Revert "f2fs: fix to do sanity check on extent cache correctly"
In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: fix to do sanity check on extent cache correctly" syzbot reports a f2fs bug as below: UBSAN: array-index-out-of-bounds in fs/f2fs/f2fs.h:3275:19 index 1409 is out of range for t…
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High 8.8
Bluetooth: hci_sync: Fix UAF in hci_disconnect_all_sync
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Fix UAF in hci_disconnect_all_sync Use-after-free can occur in hci_disconnect_all_sync if a connection is deleted by concurrent processing of a controller event. To preve…
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High 7.8
HID: hidraw: fix data race on device refcount
In the Linux kernel, the following vulnerability has been resolved: HID: hidraw: fix data race on device refcount The hidraw_open() function increments the hidraw device reference counter. The counter has no dedicated synchronization mechanism, resulting in a…
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High 7.8
drm/amd/display: fix mapping to non-allocated address
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix mapping to non-allocated address [Why] There is an issue mapping non-allocated location of memory. It would allocate gpio registers from an array out of bounds. [How] Pat…
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High 7.8
net: deal with integer overflows in kmalloc_reserve()
In the Linux kernel, the following vulnerability has been resolved: net: deal with integer overflows in kmalloc_reserve() Blamed commit changed: ptr = kmalloc(size); if (ptr) size = ksize(ptr); size = kmalloc_size_roundup(size); ptr = kmalloc(size); This allo…
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High 7.1
media: mediatek: vcodec: Fix potential array out-of-bounds in decoder queue_setup
In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Fix potential array out-of-bounds in decoder queue_setup variable *nplanes is provided by user via system call argument. The possible value of q_data->fmt->num_planes…