7,125 results · Feed
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Unscored —
dmaengine: ti: edma: Add some null pointer checks to the edma_probe
In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: edma: Add some null pointer checks to the edma_probe devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation wa…
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High 7.5
nvmet-fc: avoid deadlock on delete association path
In the Linux kernel, the following vulnerability has been resolved: nvmet-fc: avoid deadlock on delete association path When deleting an association the shutdown path is deadlocking because we try to flush the nvmet_wq nested. Avoid this by deadlock by deferr…
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High 7.1
dm-crypt: don't modify the data when using authenticated encryption
In the Linux kernel, the following vulnerability has been resolved: dm-crypt: don't modify the data when using authenticated encryption It was said that authenticated encryption could produce invalid tag when the data that is being encrypted is modified [1]. …
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Unscored —
fs/aio: Restrict kiocb_set_cancel_fn() to I/O submitted via libaio
In the Linux kernel, the following vulnerability has been resolved: fs/aio: Restrict kiocb_set_cancel_fn() to I/O submitted via libaio If kiocb_set_cancel_fn() is called for I/O submitted via io_uring, the following kernel warning appears: WARNING: CPU: 3 PID…
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High 7.8
mm/swap: fix race when skipping swapcache
In the Linux kernel, the following vulnerability has been resolved: mm/swap: fix race when skipping swapcache When skipping swapcache for SWP_SYNCHRONOUS_IO, if two or more threads swapin the same entry at the same time, they get different pages (A, B). Befor…
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Medium 5.5
md: Don't ignore suspended array in md_check_recovery()
In the Linux kernel, the following vulnerability has been resolved: md: Don't ignore suspended array in md_check_recovery() mddev_suspend() never stop sync_thread, hence it doesn't make sense to ignore suspended array in md_check_recovery(), which might cause…
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Medium 5.5
md: Don't ignore read-only array in md_check_recovery()
In the Linux kernel, the following vulnerability has been resolved: md: Don't ignore read-only array in md_check_recovery() Usually if the array is not read-write, md_check_recovery() won't register new sync_thread in the first place. And if the array is read…
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Unscored —
md: Don't register sync_thread for reshape directly
In the Linux kernel, the following vulnerability has been resolved: md: Don't register sync_thread for reshape directly Currently, if reshape is interrupted, then reassemble the array will register sync_thread directly from pers->run(), in this case 'MD_RECOV…
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Unscored —
gtp: fix use-after-free and null-ptr-deref in gtp_genl_dump_pdp()
In the Linux kernel, the following vulnerability has been resolved: gtp: fix use-after-free and null-ptr-deref in gtp_genl_dump_pdp() The gtp_net_ops pernet operations structure for the subsystem must be registered before registering the generic netlink famil…
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Unscored —
l2tp: pass correct message length to ip6_append_data
In the Linux kernel, the following vulnerability has been resolved: l2tp: pass correct message length to ip6_append_data l2tp_ip6_sendmsg needs to avoid accounting for the transport header twice when splicing more data into an already partially-occupied skbuf…
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Unscored —
ARM: ep93xx: Add terminator to gpiod_lookup_table
In the Linux kernel, the following vulnerability has been resolved: ARM: ep93xx: Add terminator to gpiod_lookup_table Without the terminator, if a con_id is passed to gpio_find() that does not exist in the lookup table the function will not stop looping corre…
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Medium 5.5
RDMA/srpt: Support specifying the srpt_service_guid parameter
In the Linux kernel, the following vulnerability has been resolved: RDMA/srpt: Support specifying the srpt_service_guid parameter Make loading ib_srpt with this parameter set work. The current behavior is that setting that parameter while loading the ib_srpt …
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Unscored —
RDMA/qedr: Fix qedr_create_user_qp error flow
In the Linux kernel, the following vulnerability has been resolved: RDMA/qedr: Fix qedr_create_user_qp error flow Avoid the following warning by making sure to free the allocated resources in case that qedr_init_user_queue() fail. -----------[ cut here ]-----…
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Unscored —
net/sched: act_mirred: use the backlog for mirred ingress
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_mirred: use the backlog for mirred ingress The test Davide added in commit ca22da2fbd69 ("act_mirred: use the backlog for nested calls to mirred ingress") hangs our testing VMs…
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High 8.1
afs: Increase buffer size in afs_update_volume_status()
In the Linux kernel, the following vulnerability has been resolved: afs: Increase buffer size in afs_update_volume_status() The max length of volume->vid value is 20 characters. So increase idbuf[] size up to 24 to avoid overflow. Found by Linux Verification …
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Unscored —
ipv6: sr: fix possible use-after-free and null-ptr-deref
In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix possible use-after-free and null-ptr-deref The pernet operations structure for the subsystem must be registered before registering the generic netlink family.
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Unscored —
arp: Prevent overflow in arp_req_get().
In the Linux kernel, the following vulnerability has been resolved: arp: Prevent overflow in arp_req_get(). syzkaller reported an overflown write in arp_req_get(). [0] When ioctl(SIOCGARP) is issued, arp_req_get() looks up an neighbour entry and copies neigh-…
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Unscored —
btrfs: don't drop extent_map for free space inode on write error
In the Linux kernel, the following vulnerability has been resolved: btrfs: don't drop extent_map for free space inode on write error While running the CI for an unrelated change I hit the following panic with generic/648 on btrfs_holes_spacecache. assertion f…
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Unscored —
usb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend
In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend In current scenario if Plug-out and Plug-In performed continuously there could be a chance while checking for dwc->gadge…
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High 7.8
ext4: fix double-free of blocks due to wrong extents moved_len
In the Linux kernel, the following vulnerability has been resolved: ext4: fix double-free of blocks due to wrong extents moved_len In ext4_move_extents(), moved_len is only updated when all moves are successfully executed, and only discards orig_inode and don…
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Unscored —
drm/amd/display: Fix MST Null Ptr for RV
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix MST Null Ptr for RV The change try to fix below error specific to RV platform: BUG: kernel NULL pointer dereference, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 [#1]…
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High 7.8
nilfs2: fix data corruption in dsync block recovery for small block sizes
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix data corruption in dsync block recovery for small block sizes The helper function nilfs_recovery_copy_block() of nilfs_recovery_dsync_blocks(), which recovers data from logs creat…
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Unscored —
nilfs2: fix hang in nilfs_lookup_dirty_data_buffers()
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix hang in nilfs_lookup_dirty_data_buffers() Syzbot reported a hang issue in migrate_pages_batch() called by mbind() and nilfs_lookup_dirty_data_buffers() called in the log writer of…
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Unscored —
KVM: arm64: Fix circular locking dependency
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix circular locking dependency The rule inside kvm enforces that the vcpu->mutex is taken *inside* kvm->lock. The rule is violated by the pkvm_create_hyp_vm() which acquires the …
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High 8.8
ceph: prevent use-after-free in encode_cap_msg()
In the Linux kernel, the following vulnerability has been resolved: ceph: prevent use-after-free in encode_cap_msg() In fs/ceph/caps.c, in encode_cap_msg(), "use after free" error was caught by KASAN at this line - 'ceph_buffer_get(arg->xattr_buf);'. This imp…
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Unscored —
xen/events: close evtchn after mapping cleanup
In the Linux kernel, the following vulnerability has been resolved: xen/events: close evtchn after mapping cleanup shutdown_pirq and startup_pirq are not taking the irq_mapping_update_lock because they can't due to lock inversion. Both are called with the irq…
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Unscored —
fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats
In the Linux kernel, the following vulnerability has been resolved: fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats lock_task_sighand() can trigger a hard lockup. If NR_CPUS threads call do_task_stat() at the same time and the …
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Unscored —
KVM: s390: vsie: fix race during shadow creation
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: fix race during shadow creation Right now it is possible to see gmap->private being zero in kvm_s390_vsie_gmap_notifier resulting in a crash. This is due to the fact that we …
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Medium 5.5
nilfs2: fix potential bug in end_buffer_async_write
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential bug in end_buffer_async_write According to a syzbot report, end_buffer_async_write(), which handles the completion of block device writes, may detect abnormal condition …
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Unscored —
inet: read sk->sk_family once in inet_recv_error()
In the Linux kernel, the following vulnerability has been resolved: inet: read sk->sk_family once in inet_recv_error() inet_recv_error() is called without holding the socket lock. IPv6 socket could mutate to IPv4 with IPV6_ADDRFORM socket option and trigger a…
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Unscored —
rxrpc: Fix delayed ACKs to not set the reference serial number
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix delayed ACKs to not set the reference serial number Fix the construction of delayed ACKs to not set the reference serial number as they can't be used as an RTT reference.
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Unscored —
ppp_async: limit MRU to 64K
In the Linux kernel, the following vulnerability has been resolved: ppp_async: limit MRU to 64K syzbot triggered a warning [1] in __alloc_pages(): WARN_ON_ONCE_GFP(order > MAX_PAGE_ORDER, gfp) Willem fixed a similar issue in commit c0a2a1b0d631 ("ppp: limit M…
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High 7.1
drm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get_mca_entry()'
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get_mca_entry()' Fixes the below: drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c:377 amdgpu_mca_smu_get_mca_ent…
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Unscored —
PM / devfreq: Synchronize devfreq_monitor_[start/stop]
In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Synchronize devfreq_monitor_[start/stop] There is a chance if a frequent switch of the governor done in a loop result in timer list corruption where timer cancel being done from…
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Unscored —
blk-mq: fix IO hang from sbitmap wakeup race
In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix IO hang from sbitmap wakeup race In blk_mq_mark_tag_wait(), __add_wait_queue() may be re-ordered with the following blk_mq_get_driver_tag() in case of getting driver tag failure. …
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Unscored —
netfilter: nft_limit: reject configurations that cause integer overflow
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_limit: reject configurations that cause integer overflow Reject bogus configs where internal token counter wraps around. This only occurs with very very large requests, such as…
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High 7.8
tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()
In the Linux kernel, the following vulnerability has been resolved: tipc: Check the bearer type before calling tipc_udp_nl_bearer_add() syzbot reported the following general protection fault [1]: general protection fault, probably for non-canonical address 0x…
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High 7.8
xhci: handle isoc Babble and Buffer Overrun events properly
In the Linux kernel, the following vulnerability has been resolved: xhci: handle isoc Babble and Buffer Overrun events properly xHCI 4.9 explicitly forbids assuming that the xHC has released its ownership of a multi-TRB TD when it reports an error on one of t…
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High 7.8
drm/amdgpu: fix use-after-free bug
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix use-after-free bug The bug can be triggered by sending a single amdgpu_gem_userptr_ioctl to the AMDGPU DRM driver on any ASICs with an invalid address and size. The bug was re…
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High 7.8
ALSA: sh: aica: reorder cleanup operations to avoid UAF bugs
In the Linux kernel, the following vulnerability has been resolved: ALSA: sh: aica: reorder cleanup operations to avoid UAF bugs The dreamcastcard->timer could schedule the spu_dma_work and the spu_dma_work could also arm the dreamcastcard->timer. When the sn…