9,110 results · Feed
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High 7.8
tipc: Fix use-after-free of kernel socket in cleanup_bearer().
In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free of kernel socket in cleanup_bearer(). syzkaller reported a use-after-free of UDP kernel socket in cleanup_bearer() without repro. [0][1] When bearer_disable() calls t…
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High 7.5
net/smc: initialize close_work early to avoid warning
In the Linux kernel, the following vulnerability has been resolved: net/smc: initialize close_work early to avoid warning We encountered a warning that close_work was canceled before initialization. WARNING: CPU: 7 PID: 111103 at kernel/workqueue.c:3047 __flu…
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Critical 9.8
net/smc: fix LGR and link use-after-free issue
In the Linux kernel, the following vulnerability has been resolved: net/smc: fix LGR and link use-after-free issue We encountered a LGR/link use-after-free issue, which manifested as the LGR/link refcnt reaching 0 early and entering the clear process, making …
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Unscored —
netfilter: nft_inner: incorrect percpu area handling under softirq
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_inner: incorrect percpu area handling under softirq Softirq can interrupt ongoing packet from process context that is walking over the percpu area that contains inner header of…
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High 7.3
netfilter: ipset: Hold module reference while requesting a module
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Hold module reference while requesting a module User space may unload ip_set.ko while it is itself requesting a set type backend module, leading to a kernel crash. The race …
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High 7.8
net: avoid potential UAF in default_operstate()
In the Linux kernel, the following vulnerability has been resolved: net: avoid potential UAF in default_operstate() syzbot reported an UAF in default_operstate() [1] Issue is a race between device and netns dismantles. After calling __rtnl_unlock() from netde…
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Unscored —
geneve: do not assume mac header is set in geneve_xmit_skb()
In the Linux kernel, the following vulnerability has been resolved: geneve: do not assume mac header is set in geneve_xmit_skb() We should not assume mac header is set in output path. Use skb_eth_hdr() instead of eth_hdr() to fix the issue. sysbot reported th…
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Medium 5.5
gpio: grgpio: Add NULL check in grgpio_probe
In the Linux kernel, the following vulnerability has been resolved: gpio: grgpio: Add NULL check in grgpio_probe devm_kasprintf() can return a NULL pointer on failure,but this returned value in grgpio_probe is not checked. Add NULL check in grgpio_probe, to h…
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Unscored —
tcp_bpf: Fix the sk_mem_uncharge logic in tcp_bpf_sendmsg
In the Linux kernel, the following vulnerability has been resolved: tcp_bpf: Fix the sk_mem_uncharge logic in tcp_bpf_sendmsg The current sk memory accounting logic in __SK_REDIRECT is pre-uncharging tosend bytes, which is either msg->sg.size or a smaller val…
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High 7.5
nvme-tcp: fix the memleak while create new ctrl failed
In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix the memleak while create new ctrl failed Now while we create new ctrl failed, we have not free the tagset occupied by admin_q, here try to fix it.
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High 7.8
scsi: sg: Fix slab-use-after-free read in sg_release()
In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Fix slab-use-after-free read in sg_release() Fix a use-after-free bug in sg_release(), detected by syzbot with KASAN: BUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 ker…
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Unscored —
ocfs2: free inode when ocfs2_get_init_inode() fails
In the Linux kernel, the following vulnerability has been resolved: ocfs2: free inode when ocfs2_get_init_inode() fails syzbot is reporting busy inodes after unmount, for commit 9c89fe0af826 ("ocfs2: Handle error from dquot_initialize()") forgot to call iput(…
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Medium 5.5
HID: wacom: fix when get product name maybe null pointer
In the Linux kernel, the following vulnerability has been resolved: HID: wacom: fix when get product name maybe null pointer Due to incorrect dev->product reporting by certain devices, null pointer dereferences occur when dev->product is empty, leading to pot…
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High 8.8
ksmbd: fix Out-of-Bounds Write in ksmbd_vfs_stream_write
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix Out-of-Bounds Write in ksmbd_vfs_stream_write An offset from client could be a negative value, It could allows to write data outside the bounds of the allocated buffer. Note that t…
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High 8.1
ksmbd: fix Out-of-Bounds Read in ksmbd_vfs_stream_read
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix Out-of-Bounds Read in ksmbd_vfs_stream_read An offset from client could be a negative value, It could lead to an out-of-bounds read from the stream_buf. Note that this issue is com…
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Unscored —
can: dev: can_set_termination(): allow sleeping GPIOs
In the Linux kernel, the following vulnerability has been resolved: can: dev: can_set_termination(): allow sleeping GPIOs In commit 6e86a1543c37 ("can: dev: provide optional GPIO based termination support") GPIO based termination support was added. For no par…
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High 7.8
scsi: qla2xxx: Fix use after free on unload
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix use after free on unload System crash is observed with stack trace warning of use after free. There are 2 signals to tell dpc_thread to terminate (UNLOADING flag and kthrea…
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Medium 5.5
scsi: ufs: core: sysfs: Prevent div by zero
In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: sysfs: Prevent div by zero Prevent a division by 0 when monitoring is not enabled.
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Unscored —
scsi: ufs: qcom: Only free platform MSIs when ESI is enabled
In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: qcom: Only free platform MSIs when ESI is enabled Otherwise, it will result in a NULL pointer dereference as below: Unable to handle kernel NULL pointer dereference at virtual addr…
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Unscored —
scsi: ufs: core: Cancel RTC work during ufshcd_remove()
In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Cancel RTC work during ufshcd_remove() Currently, RTC work is only cancelled during __ufshcd_wl_suspend(). When ufshcd is removed in ufshcd_remove(), RTC work is not cancelle…
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High 7.8
nilfs2: fix potential out-of-bounds memory access in nilfs_find_entry()
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential out-of-bounds memory access in nilfs_find_entry() Syzbot reported that when searching for records in a directory where the inode's i_size is corrupted and has a large va…
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Unscored —
drm/dp_mst: Fix MST sideband message body length check
In the Linux kernel, the following vulnerability has been resolved: drm/dp_mst: Fix MST sideband message body length check Fix the MST sideband message body length check, which must be at least 1 byte accounting for the message body CRC (aka message data CRC)…
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Medium 5.5
cacheinfo: Allocate memory during CPU hotplug if not done from the primary CPU
In the Linux kernel, the following vulnerability has been resolved: cacheinfo: Allocate memory during CPU hotplug if not done from the primary CPU Commit 5944ce092b97 ("arch_topology: Build cacheinfo from primary CPU") adds functionality that architectures ca…
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High 7.8
bpf: fix OOB devmap writes when deleting elements
In the Linux kernel, the following vulnerability has been resolved: bpf: fix OOB devmap writes when deleting elements Jordy reported issue against XSKMAP which also applies to DEVMAP - the index used for accessing map entry, due to being a signed integer, cau…
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High 7.8
xsk: fix OOB map writes when deleting elements
In the Linux kernel, the following vulnerability has been resolved: xsk: fix OOB map writes when deleting elements Jordy says: " In the xsk_map_delete_elem function an unsigned integer (map->max_entries) is compared with a user-controlled signed integer (k). …
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Medium 5.5
sched/numa: fix memory leak due to the overwritten vma->numab_state
In the Linux kernel, the following vulnerability has been resolved: sched/numa: fix memory leak due to the overwritten vma->numab_state [Problem Description] When running the hackbench program of LTP, the following memory leak is reported by kmemleak. # /opt/…
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Medium 5.5
mm/mempolicy: fix migrate_to_node() assuming there is at least one VMA in a MM
In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix migrate_to_node() assuming there is at least one VMA in a MM We currently assume that there is at least one VMA in a MM, which isn't true. So we might end up having find_vma…
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Unscored —
kcsan: Turn report_filterlist_lock into a raw_spinlock
In the Linux kernel, the following vulnerability has been resolved: kcsan: Turn report_filterlist_lock into a raw_spinlock Ran Xiaokai reports that with a KCSAN-enabled PREEMPT_RT kernel, we can see splats like: | BUG: sleeping function called from invalid co…
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Unscored —
wifi: rtw88: use ieee80211_purge_tx_queue() to purge TX skb
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: use ieee80211_purge_tx_queue() to purge TX skb When removing kernel modules by: rmmod rtw88_8723cs rtw88_8703b rtw88_8723x rtw88_sdio rtw88_core Driver uses skb_queue_purge() to …
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High 7.8
drm/amd/display: Fix out-of-bounds access in 'dcn21_link_encoder_create'
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix out-of-bounds access in 'dcn21_link_encoder_create' An issue was identified in the dcn21_link_encoder_create function where an out-of-bounds access could occur when the h…
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Unscored —
wifi: ath12k: fix atomic calls in ath12k_mac_op_set_bitrate_mask()
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix atomic calls in ath12k_mac_op_set_bitrate_mask() When I try to manually set bitrates: iw wlan0 set bitrates legacy-2.4 1 I get sleeping from invalid context error, see below…
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High 7.8
af_packet: avoid erroring out after sock_init_data() in packet_create()
In the Linux kernel, the following vulnerability has been resolved: af_packet: avoid erroring out after sock_init_data() in packet_create() After sock_init_data() the allocated sk object is attached to the provided sock object. On error, packet_create() frees…
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High 7.8
Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create()
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() bt_sock_alloc() allocates the sk object and attaches it to the provided sock object. On error l2cap_sock_all…
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High 7.8
Bluetooth: RFCOMM: avoid leaving dangling sk pointer in rfcomm_sock_alloc()
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: avoid leaving dangling sk pointer in rfcomm_sock_alloc() bt_sock_alloc() attaches allocated sk object to the provided sock object. If rfcomm_dlc_alloc() fails, we release t…
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High 7.8
net: af_can: do not leave a dangling sk pointer in can_create()
In the Linux kernel, the following vulnerability has been resolved: net: af_can: do not leave a dangling sk pointer in can_create() On error can_create() frees the allocated sk object, but sock_init_data() has already attached it to the provided sock object. …
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High 7.0
net: ieee802154: do not leave a dangling sk pointer in ieee802154_create()
In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: do not leave a dangling sk pointer in ieee802154_create() sock_init_data() attaches the allocated sk object to the provided sock object. If ieee802154_create() fails later, t…
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High 7.8
net: inet: do not leave a dangling sk pointer in inet_create()
In the Linux kernel, the following vulnerability has been resolved: net: inet: do not leave a dangling sk pointer in inet_create() sock_init_data() attaches the allocated sk object to the provided sock object. If inet_create() fails later, the sk object is fr…
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High 7.8
net: inet6: do not leave a dangling sk pointer in inet6_create()
In the Linux kernel, the following vulnerability has been resolved: net: inet6: do not leave a dangling sk pointer in inet6_create() sock_init_data() attaches the allocated sk pointer to the provided sock object. If inet6_create() fails later, the sk object i…
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Unscored —
wifi: ath10k: avoid NULL pointer error during sdio remove
In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: avoid NULL pointer error during sdio remove When running 'rmmod ath10k', ath10k_sdio_remove() will free sdio workqueue by destroy_workqueue(). But if CONFIG_INIT_ON_FREE_DEFAULT…
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High 7.1
jfs: array-index-out-of-bounds fix in dtReadFirst
In the Linux kernel, the following vulnerability has been resolved: jfs: array-index-out-of-bounds fix in dtReadFirst The value of stbl can be sometimes out of bounds due to a bad filesystem. Added a check with appopriate return of error code in that case.