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linux

20,203 known vulnerabilities.

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  • High 7.1

    mm: don't try to NUMA-migrate COW pages that have other uses

    In the Linux kernel, the following vulnerability has been resolved: mm: don't try to NUMA-migrate COW pages that have other uses Oded Gabbay reports that enabling NUMA balancing causes corruption with his Gaudi accelerator test load: "All the details are in t…

  • High 7.8

    iommu: Fix potential use-after-free during probe

    In the Linux kernel, the following vulnerability has been resolved: iommu: Fix potential use-after-free during probe Kasan has reported the following use after free on dev->iommu. when a device probe fails and it is in process of freeing dev->iommu in dev_iom…

  • High 7.8

    scsi: pm8001: Fix use-after-free for aborted SSP/STP sas_task

    In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fix use-after-free for aborted SSP/STP sas_task Currently a use-after-free may occur if a sas_task is aborted by the upper layer before we handle the I/O completion in mpi_ssp_c…

  • High 7.8

    scsi: pm8001: Fix use-after-free for aborted TMF sas_task

    In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fix use-after-free for aborted TMF sas_task Currently a use-after-free may occur if a TMF sas_task is aborted before we handle the IO completion in mpi_ssp_completion(). The abo…

  • High 7.8

    iwlwifi: fix use-after-free

    In the Linux kernel, the following vulnerability has been resolved: iwlwifi: fix use-after-free If no firmware was present at all (or, presumably, all of the firmware files failed to parse), we end up unbinding by calling device_release_driver(), which calls …

  • High 7.8

    vsock: remove vsock from connected table when connect is interrupted by a signal

    In the Linux kernel, the following vulnerability has been resolved: vsock: remove vsock from connected table when connect is interrupted by a signal vsock_connect() expects that the socket could already be in the TCP_ESTABLISHED state when the connecting task…

  • High 8.8

    ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcu-safe version of ipv6_get_lladdr() Some time ago 8965779d2c0e ("ipv6,mcast: always hold idev->lock before mca_lock") switched ipv6_get_lladdr() to __ipv6_get_lladdr(), whi…

  • High 8.8

    mctp: fix use after free

    In the Linux kernel, the following vulnerability has been resolved: mctp: fix use after free Clang static analysis reports this problem route.c:425:4: warning: Use of memory after it is freed trace_mctp_key_acquire(key); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ When mctp_…

  • High 7.8

    net: mscc: ocelot: fix use-after-free in ocelot_vlan_del()

    In the Linux kernel, the following vulnerability has been resolved: net: mscc: ocelot: fix use-after-free in ocelot_vlan_del() ocelot_vlan_member_del() will free the struct ocelot_bridge_vlan, so if this is the same as the port's pvid_vlan which we access aft…

  • High 7.8

    drm/amdgpu: change vm->task_info handling

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: change vm->task_info handling This patch changes the handling and lifecycle of vm->task_info object. The major changes are: - vm->task_info is a dynamically allocated ptr now, and…

  • High 7.5

    tcp: avoid too many retransmit packets

    In the Linux kernel, the following vulnerability has been resolved: tcp: avoid too many retransmit packets If a TCP socket is using TCP_USER_TIMEOUT, and the other peer retracted its window to zero, tcp_retransmit_timer() can retransmit a packet every two jif…

  • High 8.1

    SUNRPC: Fix UAF in svc_tcp_listen_data_ready()

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix UAF in svc_tcp_listen_data_ready() After the listener svc_sock is freed, and before invoking svc_tcp_accept() for the established child sock, there is a window that the newsock re…

  • High 7.8

    bpf: Fix reg_set_min_max corruption of fake_reg

    In the Linux kernel, the following vulnerability has been resolved: bpf: Fix reg_set_min_max corruption of fake_reg Juan reported that after doing some changes to buzzer [0] and implementing a new fuzzing strategy guided by coverage, they noticed the followin…

  • High 7.5

    RDMA/rxe: Fix responder length checking for UD request packets

    In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix responder length checking for UD request packets According to the IBA specification: If a UD request packet is detected with an invalid length, the request shall be an invalid r…

  • High 7.8

    dmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id()

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id() The of_k3_udma_glue_parse_chn_by_id() helper function erroneously invokes "of_node_put()" on the "udmax_np" device-node pass…

  • High 7.8

    RDMA/mlx5: Add check for srq max_sge attribute

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Add check for srq max_sge attribute max_sge attribute is passed by the user, and is inserted and used unchecked, so verify that the value doesn't exceed maximum allowed value befor…

  • High 7.8

    KVM: arm64: Disassociate vcpus from redistributor region on teardown

    In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Disassociate vcpus from redistributor region on teardown When tearing down a redistributor region, make sure we don't have any dangling pointer to that region stored in a vcpu.

  • High 7.8

    dmaengine: xilinx: xdma: Fix data synchronisation in xdma_channel_isr()

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx: xdma: Fix data synchronisation in xdma_channel_isr() Requests the vchan lock before using xdma->stop_request.

  • High 7.8

    ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine."

    In the Linux kernel, the following vulnerability has been resolved: ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine." Undo the modifications made in commit d410ee5109a1 ("ACPICA: avoid "Info: mapping multiple BARs. Your kernel i…

  • High 7.5

    drop_monitor: replace spin_lock by raw_spin_lock

    In the Linux kernel, the following vulnerability has been resolved: drop_monitor: replace spin_lock by raw_spin_lock trace_drop_common() is called with preemption disabled, and it acquires a spin_lock. This is problematic for RT kernels because spin_locks are…

  • High 7.8

    wifi: ath12k: fix kernel crash during resume

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix kernel crash during resume Currently during resume, QMI target memory is not properly handled, resulting in kernel crash in case DMA remap is not supported: BUG: Bad page st…

  • High 7.8

    powerpc/pseries: Enforce hcall result buffer validity and size

    In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Enforce hcall result buffer validity and size plpar_hcall(), plpar_hcall9(), and related functions expect callers to provide valid result buffers of certain minimum size. Cur…

  • High 7.3

    f2fs: remove clear SB_INLINECRYPT flag in default_options

    In the Linux kernel, the following vulnerability has been resolved: f2fs: remove clear SB_INLINECRYPT flag in default_options In f2fs_remount, SB_INLINECRYPT flag will be clear and re-set. If create new file or open file during this gap, these files will not …

  • High 7.8

    Avoid hw_desc array overrun in dw-axi-dmac

    In the Linux kernel, the following vulnerability has been resolved: Avoid hw_desc array overrun in dw-axi-dmac I have a use case where nr_buffers = 3 and in which each descriptor is composed by 3 segments, resulting in the DMA channel descs_allocated to be 9.…

  • High 7.8

    netns: Make get_net_ns() handle zero refcount net

    In the Linux kernel, the following vulnerability has been resolved: netns: Make get_net_ns() handle zero refcount net Syzkaller hit a warning: refcount_t: addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcount_warn_saturate+0xd…

  • High 7.5

    seg6: fix parameter passing when calling NF_HOOK() in End.DX4 and End.DX6 behaviors

    In the Linux kernel, the following vulnerability has been resolved: seg6: fix parameter passing when calling NF_HOOK() in End.DX4 and End.DX6 behaviors input_action_end_dx4() and input_action_end_dx6() are called NF_HOOK() for PREROUTING hook, in PREROUTING h…

  • High 7.8

    dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list Use list_for_each_entry_safe() to allow iterating through the list and deleting the entry in the iteration process. The d…

  • High 7.8

    net: do not leave a dangling sk pointer, when socket creation fails

    In the Linux kernel, the following vulnerability has been resolved: net: do not leave a dangling sk pointer, when socket creation fails It is possible to trigger a use-after-free by: * attaching an fentry probe to __sock_release() and the probe calling the bp…

  • High 7.9

    KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()

    In the Linux kernel, the following vulnerability has been resolved: KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() Use {READ,WRITE}_ONCE() to access kvm->last_boosted_vcpu to ensure the loads and stores are atomic. In the extremely unlikely s…

  • High 7.8

    mm: shmem: fix getting incorrect lruvec when replacing a shmem folio

    In the Linux kernel, the following vulnerability has been resolved: mm: shmem: fix getting incorrect lruvec when replacing a shmem folio When testing shmem swapin, I encountered the warning below on my machine. The reason is that replacing an old shmem folio …

  • High 7.8

    ima: Avoid blocking in RCU read-side critical section

    In the Linux kernel, the following vulnerability has been resolved: ima: Avoid blocking in RCU read-side critical section A panic happens in ima_match_policy: BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 PGD 42f873067 P4D 0 Oops: …

  • High 7.8

    ocfs2: fix races between hole punching and AIO+DIO

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix races between hole punching and AIO+DIO After commit "ocfs2: return real error code in ocfs2_dio_wr_get_block", fstests/generic/300 become from always failed to sometimes failed: =…

  • High 8.1

    wifi: iwlwifi: mvm: don't read past the mfuart notifcation

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: don't read past the mfuart notifcation In case the firmware sends a notification that claims it has more data than it has, we will read past that was allocated for the not…

  • High 7.1

    wifi: cfg80211: validate HE operation element parsing

    In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate HE operation element parsing Validate that the HE operation element has the correct length before parsing it.

  • High 7.1

    wifi: iwlwifi: mvm: check n_ssids before accessing the ssids

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: check n_ssids before accessing the ssids In some versions of cfg80211, the ssids poinet might be a valid one even though n_ssids is 0. Accessing the pointer in this case w…

  • High 7.8

    block: fix request.queuelist usage in flush

    In the Linux kernel, the following vulnerability has been resolved: block: fix request.queuelist usage in flush Friedrich Weber reported a kernel crash problem and bisected to commit 81ada09cc25e ("blk-flush: reuse rq queuelist in flush state machine"). The r…

  • High 7.8

    drm/i915/dpt: Make DPT object unshrinkable

    In the Linux kernel, the following vulnerability has been resolved: drm/i915/dpt: Make DPT object unshrinkable In some scenarios, the DPT object gets shrunk but the actual framebuffer did not and thus its still there on the DPT's vm->bound_list. Then it tries…

  • High 7.1

    net: bridge: mst: fix suspicious rcu usage in br_mst_set_state

    In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix suspicious rcu usage in br_mst_set_state I converted br_mst_set_state to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switc…

  • High 7.8

    parisc: Try to fix random segmentation faults in package builds

    In the Linux kernel, the following vulnerability has been resolved: parisc: Try to fix random segmentation faults in package builds PA-RISC systems with PA8800 and PA8900 processors have had problems with random segmentation faults for many years. Systems wit…

  • High 8.8

    ax25: Fix refcount imbalance on inbound connections

    In the Linux kernel, the following vulnerability has been resolved: ax25: Fix refcount imbalance on inbound connections When releasing a socket in ax25_release(), we call netdev_put() to decrease the refcount on the associated ax.25 device. However, the execu…