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Medium 5.5
rds: sysctl: rds_tcp_{rcv,snd}buf: avoid using current->nsproxy
In the Linux kernel, the following vulnerability has been resolved: rds: sysctl: rds_tcp_{rcv,snd}buf: avoid using current->nsproxy As mentioned in a previous commit of this series, using the 'net' structure via 'current' is not recommended for different reas…
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Medium 5.5
cgroup/cpuset: remove kernfs active break
In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: remove kernfs active break A warning was found: WARNING: CPU: 10 PID: 3486953 at fs/kernfs/file.c:828 CPU: 10 PID: 3486953 Comm: rmdir Kdump: loaded Tainted: G RIP: 0010:kernfs…
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Medium 5.5
net: fix memory leak in tcp_conn_request()
In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in tcp_conn_request() If inet_csk_reqsk_queue_hash_add() return false, tcp_conn_request() will return without free the dst memory, which allocated in af_ops->route_req. H…
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Medium 5.5
RDMA/uverbs: Prevent integer overflow issue
In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Prevent integer overflow issue In the expression "cmd.wqe_size * cmd.wr_count", both variables are u32 values that come from the user so the multiplication can lead to integer wr…
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Medium 6.1
arm64: ptrace: fix partial SETREGSET for NT_ARM_TAGGED_ADDR_CTRL
In the Linux kernel, the following vulnerability has been resolved: arm64: ptrace: fix partial SETREGSET for NT_ARM_TAGGED_ADDR_CTRL Currently tagged_addr_ctrl_set() doesn't initialize the temporary 'ctrl' variable, and a SETREGSET call with a length of zero …
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Medium 5.5
scsi: ufs: pltfrm: Dellocate HBA during ufshcd_pltfrm_remove()
In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: pltfrm: Dellocate HBA during ufshcd_pltfrm_remove() This will ensure that the scsi host is cleaned up properly using scsi_host_dev_release(). Otherwise, it may lead to memory leaks.
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Medium 5.5
scsi: megaraid_sas: Fix for a potential deadlock
In the Linux kernel, the following vulnerability has been resolved: scsi: megaraid_sas: Fix for a potential deadlock This fixes a 'possible circular locking dependency detected' warning CPU0 CPU1 ---- ---- lock(&instance->reset_mutex); lock(&shost->scan_mutex…
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Medium 5.5
drm/modes: Avoid divide by zero harder in drm_mode_vrefresh()
In the Linux kernel, the following vulnerability has been resolved: drm/modes: Avoid divide by zero harder in drm_mode_vrefresh() drm_mode_vrefresh() is trying to avoid divide by zero by checking whether htotal or vtotal are zero. But we may still end up with…
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Medium 5.5
Drivers: hv: util: Avoid accessing a ringbuffer not initialized yet
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: util: Avoid accessing a ringbuffer not initialized yet If the KVP (or VSS) daemon starts before the VMBus channel's ringbuffer is fully initialized, we can hit the panic below: h…
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Medium 5.5
netfilter: IDLETIMER: Fix for possible ABBA deadlock
In the Linux kernel, the following vulnerability has been resolved: netfilter: IDLETIMER: Fix for possible ABBA deadlock Deletion of the last rule referencing a given idletimer may happen at the same time as a read of its file in sysfs: | ====================…
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Medium 5.5
bcache: revert replacing IS_ERR_OR_NULL with IS_ERR again
In the Linux kernel, the following vulnerability has been resolved: bcache: revert replacing IS_ERR_OR_NULL with IS_ERR again Commit 028ddcac477b ("bcache: Remove unnecessary NULL point check in node allocations") leads a NULL pointer deference in cache_set_f…
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Medium 5.5
dlm: fix possible lkb_resource null dereference
In the Linux kernel, the following vulnerability has been resolved: dlm: fix possible lkb_resource null dereference This patch fixes a possible null pointer dereference when this function is called from request_lock() as lkb->lkb_resource is not assigned yet,…
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Medium 5.5
dma-debug: fix a possible deadlock on radix_lock
In the Linux kernel, the following vulnerability has been resolved: dma-debug: fix a possible deadlock on radix_lock radix_lock() shouldn't be held while holding dma_hash_entry[idx].lock otherwise, there's a possible deadlock scenario when dma debug API is ca…
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Medium 5.5
pinmux: Use sequential access to access desc->pinmux data
In the Linux kernel, the following vulnerability has been resolved: pinmux: Use sequential access to access desc->pinmux data When two client of the same gpio call pinctrl_select_state() for the same functionality, we are seeing NULL pointer issue while acces…
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Medium 5.5
i3c: mipi-i3c-hci: Mask ring interrupts before ring stop request
In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Mask ring interrupts before ring stop request Bus cleanup path in DMA mode may trigger a RING_OP_STAT interrupt when the ring is being stopped. Depending on timing between …
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Medium 5.5
i3c: Use i3cdev->desc->info instead of calling i3c_device_get_info() to avoid deadlock
In the Linux kernel, the following vulnerability has been resolved: i3c: Use i3cdev->desc->info instead of calling i3c_device_get_info() to avoid deadlock A deadlock may happen since the i3c_master_register() acquires &i3cbus->lock twice. See the log below. U…
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Medium 5.5
soc: imx8m: Probe the SoC driver as platform driver
In the Linux kernel, the following vulnerability has been resolved: soc: imx8m: Probe the SoC driver as platform driver With driver_async_probe=* on kernel command line, the following trace is produced because on i.MX8M Plus hardware because the soc-imx8m.c d…
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Medium 5.5
MIPS: Loongson64: DTS: Really fix PCIe port nodes for ls7a
In the Linux kernel, the following vulnerability has been resolved: MIPS: Loongson64: DTS: Really fix PCIe port nodes for ls7a Fix the dtc warnings: arch/mips/boot/dts/loongson/ls7a-pch.dtsi:68.16-416.5: Warning (interrupt_provider): /bus@10000000/pci@1a00000…
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Medium 5.5
quota: flush quota_release_work upon quota writeback
In the Linux kernel, the following vulnerability has been resolved: quota: flush quota_release_work upon quota writeback One of the paths quota writeback is called from is: freeze_super() sync_filesystem() ext4_sync_fs() dquot_writeback_dquots() Since we curr…
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Medium 5.5
drm/sti: avoid potential dereference of error pointers in sti_hqvdp_atomic_check
In the Linux kernel, the following vulnerability has been resolved: drm/sti: avoid potential dereference of error pointers in sti_hqvdp_atomic_check The return value of drm_atomic_get_crtc_state() needs to be checked. To avoid use of error pointer 'crtc_state…
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Medium 5.5
drm/sti: avoid potential dereference of error pointers in sti_gdp_atomic_check
In the Linux kernel, the following vulnerability has been resolved: drm/sti: avoid potential dereference of error pointers in sti_gdp_atomic_check The return value of drm_atomic_get_crtc_state() needs to be checked. To avoid use of error pointer 'crtc_state' …
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Medium 5.5
drm/sti: avoid potential dereference of error pointers
In the Linux kernel, the following vulnerability has been resolved: drm/sti: avoid potential dereference of error pointers The return value of drm_atomic_get_crtc_state() needs to be checked. To avoid use of error pointer 'crtc_state' in case of the failure.
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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…