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Medium 5.5
btrfs: add a sanity check for btrfs root in btrfs_search_slot()
In the Linux kernel, the following vulnerability has been resolved: btrfs: add a sanity check for btrfs root in btrfs_search_slot() Syzbot reports a null-ptr-deref in btrfs_search_slot(). The reproducer is using rescue=ibadroots, and the extent tree root is c…
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Medium 5.5
net/sched: netem: account for backlog updates from child qdisc
In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc In general, 'qlen' of any classful qdisc should keep track of the number of packets that the qdisc itself and all of its childre…
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Medium 5.5
media: s5p_cec: limit msg.len to CEC_MAX_MSG_SIZE
In the Linux kernel, the following vulnerability has been resolved: media: s5p_cec: limit msg.len to CEC_MAX_MSG_SIZE I expect that the hardware will have limited this to 16, but just in case it hasn't, check for this corner case.
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Medium 5.5
nvme-pci: fix freeing of the HMB descriptor table
In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix freeing of the HMB descriptor table The HMB descriptor table is sized to the maximum number of descriptors that could be used for a given device, but __nvme_alloc_host_mem could…
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Medium 5.5
crypto: caam - Fix the pointer passed to caam_qi_shutdown()
In the Linux kernel, the following vulnerability has been resolved: crypto: caam - Fix the pointer passed to caam_qi_shutdown() The type of the last parameter given to devm_add_action_or_reset() is "struct caam_drv_private *", but in caam_qi_shutdown(), it is…
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Medium 5.5
rtc: check if __rtc_read_time was successful in rtc_timer_do_work()
In the Linux kernel, the following vulnerability has been resolved: rtc: check if __rtc_read_time was successful in rtc_timer_do_work() If the __rtc_read_time call fails,, the struct rtc_time tm; may contain uninitialized data, or an illegal date/time read fr…
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Medium 5.5
octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_ethtool.c
In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_ethtool.c Add error pointer check after calling otx2_mbox_get_rsp().
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Medium 5.5
octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_flows.c
In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_flows.c Adding error pointer check after calling otx2_mbox_get_rsp().
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Medium 5.5
octeontx2-pf: handle otx2_mbox_get_rsp errors in cn10k.c
In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: handle otx2_mbox_get_rsp errors in cn10k.c Add error pointer check after calling otx2_mbox_get_rsp().
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Medium 5.5
mfd: intel_soc_pmic_bxtwc: Use IRQ domain for TMU device
In the Linux kernel, the following vulnerability has been resolved: mfd: intel_soc_pmic_bxtwc: Use IRQ domain for TMU device While design wise the idea of converting the driver to use the hierarchy of the IRQ chips is correct, the implementation has (inherite…
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Medium 5.5
mfd: intel_soc_pmic_bxtwc: Use IRQ domain for PMIC devices
In the Linux kernel, the following vulnerability has been resolved: mfd: intel_soc_pmic_bxtwc: Use IRQ domain for PMIC devices While design wise the idea of converting the driver to use the hierarchy of the IRQ chips is correct, the implementation has (inheri…
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Medium 5.5
RDMA/hns: Fix cpu stuck caused by printings during reset
In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix cpu stuck caused by printings during reset During reset, cmd to destroy resources such as qp, cq, and mr may fail, and error logs will be printed. When a large number of resourc…
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Medium 5.5
netdevsim: prevent bad user input in nsim_dev_health_break_write()
In the Linux kernel, the following vulnerability has been resolved: netdevsim: prevent bad user input in nsim_dev_health_break_write() If either a zero count or a large one is provided, kernel can crash.
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Medium 5.5
usb: dwc3: gadget: Fix looping of queued SG entries
In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Fix looping of queued SG entries The dwc3_request->num_queued_sgs is decremented on completion. If a partially completed request is handled, then the dwc3_request->num_queu…
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Medium 5.5
usb: gadget: u_serial: Fix the issue that gs_start_io crashed due to accessing null pointer
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: u_serial: Fix the issue that gs_start_io crashed due to accessing null pointer Considering that in some extreme cases, when u_serial driver is accessed by multiple threads, Threa…
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Medium 5.5
bpf,perf: Fix invalid prog_array access in perf_event_detach_bpf_prog
In the Linux kernel, the following vulnerability has been resolved: bpf,perf: Fix invalid prog_array access in perf_event_detach_bpf_prog Syzbot reported [1] crash that happens for following tracing scenario: - create tracepoint perf event with attr.inherit=1…
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Medium 5.5
net/mlx5: DR, prevent potential error pointer dereference
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: DR, prevent potential error pointer dereference The dr_domain_add_vport_cap() function generally returns NULL on error but sometimes we want it to return ERR_PTR(-EBUSY) so the call…
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Medium 5.5
net: lapb: increase LAPB_HEADER_LEN
In the Linux kernel, the following vulnerability has been resolved: net: lapb: increase LAPB_HEADER_LEN It is unclear if net/lapb code is supposed to be ready for 8021q. We can at least avoid crashes like the following : skbuff: skb_under_panic: text:ffffffff…
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Medium 5.5
ALSA: control: Avoid WARN() for symlink errors
In the Linux kernel, the following vulnerability has been resolved: ALSA: control: Avoid WARN() for symlink errors Using WARN() for showing the error of symlink creations don't give more information than telling that something goes wrong, since the usual code…
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Medium 5.5
net: hsr: avoid potential out-of-bound access in fill_frame_info()
In the Linux kernel, the following vulnerability has been resolved: net: hsr: avoid potential out-of-bound access in fill_frame_info() syzbot is able to feed a packet with 14 bytes, pretending it is a vlan one. Since fill_frame_info() is relying on skb->mac_l…
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Medium 5.5
net: Fix icmp host relookup triggering ip_rt_bug
In the Linux kernel, the following vulnerability has been resolved: net: Fix icmp host relookup triggering ip_rt_bug arp link failure may trigger ip_rt_bug while xfrm enabled, call trace is: WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 ip_rt_bug+0x14/0x20 …
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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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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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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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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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Medium 5.5
wifi: brcmfmac: Fix oops due to NULL pointer dereference in brcmf_sdiod_sglist_rw()
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix oops due to NULL pointer dereference in brcmf_sdiod_sglist_rw() This patch fixes a NULL pointer dereference bug in brcmfmac that occurs when a high 'sd_sgentry_align' valu…
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Medium 5.5
leds: class: Protect brightness_show() with led_cdev->led_access mutex
In the Linux kernel, the following vulnerability has been resolved: leds: class: Protect brightness_show() with led_cdev->led_access mutex There is NULL pointer issue observed if from Process A where hid device being added which results in adding a led_cdev a…
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Medium 5.5
media: imx-jpeg: Set video drvdata before register video device
In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Set video drvdata before register video device The video drvdata should be set before the video device is registered, otherwise video_drvdata() may return NULL in the open() …
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Medium 5.5
media: ts2020: fix null-ptr-deref in ts2020_probe()
In the Linux kernel, the following vulnerability has been resolved: media: ts2020: fix null-ptr-deref in ts2020_probe() KASAN reported a null-ptr-deref issue when executing the following command: # echo ts2020 0x20 > /sys/bus/i2c/devices/i2c-0/new_device KASA…
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Medium 5.5
media: imx-jpeg: Ensure power suppliers be suspended before detach them
In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Ensure power suppliers be suspended before detach them The power suppliers are always requested to suspend asynchronously, dev_pm_domain_detach() requires the caller to ensur…
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Medium 5.5
ftrace: Fix regression with module command in stack_trace_filter
In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix regression with module command in stack_trace_filter When executing the following command: # echo "write*:mod:ext3" > /sys/kernel/tracing/stack_trace_filter The current mod comman…
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Medium 4.7
iommu/arm-smmu: Defer probe of clients after smmu device bound
In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Defer probe of clients after smmu device bound Null pointer dereference occurs due to a race between smmu driver probe and client driver probe, when of_dma_configure() for cli…
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Medium 5.5
ad7780: fix division by zero in ad7780_write_raw()
In the Linux kernel, the following vulnerability has been resolved: ad7780: fix division by zero in ad7780_write_raw() In the ad7780_write_raw() , val2 can be zero, which might lead to a division by zero error in DIV_ROUND_CLOSEST(). The ad7780_write_raw() is…
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Medium 5.5
udmabuf: change folios array from kmalloc to kvmalloc
In the Linux kernel, the following vulnerability has been resolved: udmabuf: change folios array from kmalloc to kvmalloc When PAGE_SIZE 4096, MAX_PAGE_ORDER 10, 64bit machine, page_alloc only support 4MB. If above this, trigger this warn and return NULL. udm…
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Medium 5.5
ALSA: usx2y: Use snd_card_free_when_closed() at disconnection
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Use snd_card_free_when_closed() at disconnection The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses snd_card_free() at disc…
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Medium 5.5
ALSA: us122l: Use snd_card_free_when_closed() at disconnection
In the Linux kernel, the following vulnerability has been resolved: ALSA: us122l: Use snd_card_free_when_closed() at disconnection The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses snd_card_free() at dis…
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Medium 5.5
virtiofs: use pages instead of pointer for kernel direct IO
In the Linux kernel, the following vulnerability has been resolved: virtiofs: use pages instead of pointer for kernel direct IO When trying to insert a 10MB kernel module kept in a virtio-fs with cache disabled, the following warning was reported: -----------…
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Medium 5.5
svcrdma: fix miss destroy percpu_counter in svc_rdma_proc_init()
In the Linux kernel, the following vulnerability has been resolved: svcrdma: fix miss destroy percpu_counter in svc_rdma_proc_init() There's issue as follows: RPC: Registered rdma transport module. RPC: Registered rdma backchannel transport module. RPC: Unreg…
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Medium 5.5
s390/iucv: MSG_PEEK causes memory leak in iucv_sock_destruct()
In the Linux kernel, the following vulnerability has been resolved: s390/iucv: MSG_PEEK causes memory leak in iucv_sock_destruct() Passing MSG_PEEK flag to skb_recv_datagram() increments skb refcount (skb->users) and iucv_sock_recvmsg() does not decrement skb…
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Medium 5.5
wifi: rtlwifi: Drastically reduce the attempts to read efuse in case of failures
In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: Drastically reduce the attempts to read efuse in case of failures Syzkaller reported a hung task with uevent_show() on stack trace. That specific issue was addressed by another…