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High 7.5
net/mlx5e: Avoid field-overflowing memcpy()
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Avoid field-overflowing memcpy() In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memcpy(), memmove(), and memset(), avoid intention…
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High 7.8
rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()
In the Linux kernel, the following vulnerability has been resolved: rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink() While looking at one unrelated syzbot bug, I found the replay logic in __rtnl_newlink() to potentially trigger use-after-f…
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High 7.1
ASoC: hdmi-codec: Fix OOB memory accesses
In the Linux kernel, the following vulnerability has been resolved: ASoC: hdmi-codec: Fix OOB memory accesses Correct size of iec_status array by changing it to the size of status array of the struct snd_aes_iec958. This fixes out-of-bounds slab read accesses…
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High 7.8
ALSA: hda: Fix UAF of leds class devs at unbinding
In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix UAF of leds class devs at unbinding The LED class devices that are created by HD-audio codec drivers are registered via devm_led_classdev_register() and associated with the HD-…
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High 7.8
btrfs: fix use-after-free after failure to create a snapshot
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free after failure to create a snapshot At ioctl.c:create_snapshot(), we allocate a pending snapshot structure and then attach it to the transaction's list of pending sna…
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High 7.8
IB/hfi1: Fix panic with larger ipoib send_queue_size
In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix panic with larger ipoib send_queue_size When the ipoib send_queue_size is increased from the default the following panic happens: RIP: 0010:hfi1_ipoib_drain_tx_ring+0x45/0xf0 [hf…
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High 7.3
KVM: arm64: Avoid consuming a stale esr value when SError occur
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Avoid consuming a stale esr value when SError occur When any exception other than an IRQ occurs, the CPU updates the ESR_EL2 register with the exception syndrome. An SError may al…
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High 7.8
RDMA/ucma: Protect mc during concurrent multicast leaves
In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Protect mc during concurrent multicast leaves Partially revert the commit mentioned in the Fixes line to make sure that allocation and erasing multicast struct are locked. BUG: KAS…
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High 7.8
net/smc: Forward wakeup to smc socket waitqueue after fallback
In the Linux kernel, the following vulnerability has been resolved: net/smc: Forward wakeup to smc socket waitqueue after fallback When we replace TCP with SMC and a fallback occurs, there may be some socket waitqueue entries remaining in smc socket->wq, such…
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High 7.8
net: macsec: Fix offload support for NETDEV_UNREGISTER event
In the Linux kernel, the following vulnerability has been resolved: net: macsec: Fix offload support for NETDEV_UNREGISTER event Current macsec netdev notify handler handles NETDEV_UNREGISTER event by releasing relevant SW resources only, this causes resource…
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High 7.1
ASoC: max9759: fix underflow in speaker_gain_control_put()
In the Linux kernel, the following vulnerability has been resolved: ASoC: max9759: fix underflow in speaker_gain_control_put() Check for negative values of "priv->gain" to prevent an out of bounds access. The concern is that these might come from the user via…
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High 7.8
ASoC: codecs: wcd938x: fix incorrect used of portid
In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: wcd938x: fix incorrect used of portid Mixer controls have the channel id in mixer->reg, which is not same as port id. port id should be derived from chan_info array. So fix this…
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High 8.1
Bluetooth: refactor malicious adv data check
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: refactor malicious adv data check Check for out-of-bound read was being performed at the end of while num_reports loop, and would fill journal with false positives. Added check to …
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High 8.8
Bluetooth: HCI: Remove HCI_AMP support
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HCI: Remove HCI_AMP support Since BT_HS has been remove HCI_AMP controllers no longer has any use so remove it along with the capability of creating AMP controllers. Since we no lo…
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High 7.8
RDMA: Fix use-after-free in rxe_queue_cleanup
In the Linux kernel, the following vulnerability has been resolved: RDMA: Fix use-after-free in rxe_queue_cleanup On error handling path in rxe_qp_from_init() qp->sq.queue is freed and then rxe_create_qp() will drop last reference to this object. qp clean up …
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High 7.8
RDMA/irdma: Fix a user-after-free in add_pble_prm
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix a user-after-free in add_pble_prm When irdma_hmc_sd_one fails, 'chunk' is freed while its still on the PBLE info list. Add the chunk entry to the PBLE info list only after suc…
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High 7.8
i2c: virtio: fix completion handling
In the Linux kernel, the following vulnerability has been resolved: i2c: virtio: fix completion handling The driver currently assumes that the notify callback is only received when the device is done with all the queued buffers. However, this is not true, sin…
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High 8.1
mac80211: validate extended element ID is present
In the Linux kernel, the following vulnerability has been resolved: mac80211: validate extended element ID is present Before attempting to parse an extended element, verify that the extended element ID is present.
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High 7.8
vduse: fix memory corruption in vduse_dev_ioctl()
In the Linux kernel, the following vulnerability has been resolved: vduse: fix memory corruption in vduse_dev_ioctl() The "config.offset" comes from the user. There needs to a check to prevent it being out of bounds. The "config.offset" and "dev->config_size"…
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High 7.1
vduse: check that offset is within bounds in get_config()
In the Linux kernel, the following vulnerability has been resolved: vduse: check that offset is within bounds in get_config() This condition checks "len" but it does not check "offset" and that could result in an out of bounds read if "offset > dev->config_si…
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High 7.8
dm btree remove: fix use after free in rebalance_children()
In the Linux kernel, the following vulnerability has been resolved: dm btree remove: fix use after free in rebalance_children() Move dm_tm_unlock() after dm_tm_dec().
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High 7.8
sch_cake: do not call cake_destroy() from cake_init()
In the Linux kernel, the following vulnerability has been resolved: sch_cake: do not call cake_destroy() from cake_init() qdiscs are not supposed to call their own destroy() method from init(), because core stack already does that. syzbot was able to trigger …
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High 7.8
sit: do not call ipip6_dev_free() from sit_init_net()
In the Linux kernel, the following vulnerability has been resolved: sit: do not call ipip6_dev_free() from sit_init_net() ipip6_dev_free is sit dev->priv_destructor, already called by register_netdevice() if something goes wrong. Alternative would be to make …
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High 7.1
scsi: scsi_debug: Fix type in min_t to avoid stack OOB
In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_debug: Fix type in min_t to avoid stack OOB Change min_t() to use type "u32" instead of type "int" to avoid stack out of bounds. With min_t() type "int" the values get sign extende…
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High 7.8
io-wq: check for wq exit after adding new worker task_work
In the Linux kernel, the following vulnerability has been resolved: io-wq: check for wq exit after adding new worker task_work We check IO_WQ_BIT_EXIT before attempting to create a new worker, and wq exit cancels pending work if we have any. But it's possible…
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High 7.8
scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select()
In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select() In resp_mode_select() sanity check the block descriptor len to avoid UAF. BUG: KASAN: use-after-free in resp_mode_…
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High 8.2
wifi: carl9170: re-fix fortified-memset warning
In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: re-fix fortified-memset warning The carl9170_tx_release() function sometimes triggers a fortified-memset warning in my randconfig builds: In file included from include/linux/s…
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High 7.8
openrisc: traps: Don't send signals to kernel mode threads
In the Linux kernel, the following vulnerability has been resolved: openrisc: traps: Don't send signals to kernel mode threads OpenRISC exception handling sends signals to user processes on floating point exceptions and trap instructions (for debugging) among…
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High 7.0
ipv6: sr: fix invalid unregister error path
In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix invalid unregister error path The error path of seg6_init() is wrong in case CONFIG_IPV6_SEG6_LWTUNNEL is not defined. In that case if seg6_hmac_init() fails, the genl_unregiste…
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High 7.8
drivers/virt/acrn: fix PFNMAP PTE checks in acrn_vm_ram_map()
In the Linux kernel, the following vulnerability has been resolved: drivers/virt/acrn: fix PFNMAP PTE checks in acrn_vm_ram_map() Patch series "mm: follow_pte() improvements and acrn follow_pte() fixes". Patch #1 fixes a bunch of issues I spotted in the acrn …
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High 7.3
media: i2c: et8ek8: Don't strip remove function when driver is builtin
In the Linux kernel, the following vulnerability has been resolved: media: i2c: et8ek8: Don't strip remove function when driver is builtin Using __exit for the remove function results in the remove callback being discarded with CONFIG_VIDEO_ET8EK8=y. When suc…
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High 7.1
crypto: qat - validate slices count returned by FW
In the Linux kernel, the following vulnerability has been resolved: crypto: qat - validate slices count returned by FW The function adf_send_admin_tl_start() enables the telemetry (TL) feature on a QAT device by sending the ICP_QAT_FW_TL_START message to the …
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High 7.8
ALSA: core: Fix NULL module pointer assignment at card init
In the Linux kernel, the following vulnerability has been resolved: ALSA: core: Fix NULL module pointer assignment at card init The commit 81033c6b584b ("ALSA: core: Warn on empty module") introduced a WARN_ON() for a NULL module pointer passed at snd_card ob…
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High 7.8
jffs2: prevent xattr node from overflowing the eraseblock
In the Linux kernel, the following vulnerability has been resolved: jffs2: prevent xattr node from overflowing the eraseblock Add a check to make sure that the requested xattr node size is no larger than the eraseblock minus the cleanmarker. Unlike the usual …
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High 7.8
drm/mediatek: Init `ddp_comp` with devm_kcalloc()
In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Init `ddp_comp` with devm_kcalloc() In the case where `conn_routes` is true we allocate an extra slot in the `ddp_comp` array but mtk_drm_crtc_create() never seemed to initializ…
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High 7.1
RDMA/hns: Modify the print level of CQE error
In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Modify the print level of CQE error Too much print may lead to a panic in kernel. Change ibdev_err() to ibdev_err_ratelimited(), and change the printing level of cqe dump to debug l…
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High 7.8
ftrace: Fix possible use-after-free issue in ftrace_location()
In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix possible use-after-free issue in ftrace_location() KASAN reports a bug: BUG: KASAN: use-after-free in ftrace_location+0x90/0x120 Read of size 8 at addr ffff888141d40010 by task in…
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High 7.8
speakup: Fix sizeof() vs ARRAY_SIZE() bug
In the Linux kernel, the following vulnerability has been resolved: speakup: Fix sizeof() vs ARRAY_SIZE() bug The "buf" pointer is an array of u16 values. This code should be using ARRAY_SIZE() (which is 256) instead of sizeof() (which is 512), otherwise it c…
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High 7.8
nilfs2: fix use-after-free of timer for log writer thread
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free of timer for log writer thread Patch series "nilfs2: fix log writer related issues". This bug fix series covers three nilfs2 log writer-related issues, including a …
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High 7.8
drm/amdgpu/mes: fix use-after-free issue
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/mes: fix use-after-free issue Delete fence fallback timer to fix the ramdom use-after-free issue. v2: move to amdgpu_mes.c