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Package · Ubuntu

linux-kvm

12,406 known vulnerabilities.

12,260 results · Feed

  • Unscored —

    erofs: handle NONHEAD !delta[1] lclusters gracefully

    In the Linux kernel, the following vulnerability has been resolved: erofs: handle NONHEAD !delta[1] lclusters gracefully syzbot reported a WARNING in iomap_iter_done: iomap_fiemap+0x73b/0x9b0 fs/iomap/fiemap.c:80 ioctl_fiemap fs/ioctl.c:220 [inline] Generally…

  • High 7.8

    scsi: bfa: Fix use-after-free in bfad_im_module_exit()

    In the Linux kernel, the following vulnerability has been resolved: scsi: bfa: Fix use-after-free in bfad_im_module_exit() BUG: KASAN: slab-use-after-free in __lock_acquire+0x2aca/0x3a20 Read of size 8 at addr ffff8881082d80c8 by task modprobe/25303 Call Trac…

  • High 7.5

    RDMA/hns: Fix NULL pointer derefernce in hns_roce_map_mr_sg()

    In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix NULL pointer derefernce in hns_roce_map_mr_sg() ib_map_mr_sg() allows ULPs to specify NULL as the sg_offset argument. The driver needs to check whether it is a NULL pointer befo…

  • High 8.8

    RDMA/mlx5: Move events notifier registration to be after device registration

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Move events notifier registration to be after device registration Move pkey change work initialization and cleanup from device resources stage to notifier stage, since this is the …

  • Unscored —

    f2fs: fix null-ptr-deref in f2fs_submit_page_bio()

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix null-ptr-deref in f2fs_submit_page_bio() There's issue as follows when concurrently installing the f2fs.ko module and mounting the f2fs file system: KASAN: null-ptr-deref in range […

  • High 7.8

    f2fs: fix to account dirty data in __get_secs_required()

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to account dirty data in __get_secs_required() It will trigger system panic w/ testcase in [1]: ------------[ cut here ]------------ kernel BUG at fs/f2fs/segment.c:2752! RIP: 0010:…

  • 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: -----------…

  • High 7.8

    f2fs: fix race in concurrent f2fs_stop_gc_thread

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix race in concurrent f2fs_stop_gc_thread In my test case, concurrent calls to f2fs shutdown report the following stack trace: Oops: general protection fault, probably for non-canonica…

  • High 7.5

    NFSD: Prevent NULL dereference in nfsd4_process_cb_update()

    In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent NULL dereference in nfsd4_process_cb_update() @ses is initialized to NULL. If __nfsd4_find_backchannel() finds no available backchannel session, setup_callback_client() will try…

  • High 7.8

    nfsd: release svc_expkey/svc_export with rcu_work

    In the Linux kernel, the following vulnerability has been resolved: nfsd: release svc_expkey/svc_export with rcu_work The last reference for `cache_head` can be reduced to zero in `c_show` and `e_show`(using `rcu_read_lock` and `rcu_read_unlock`). Consequentl…

  • 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…

  • High 7.8

    vfio/pci: Properly hide first-in-list PCIe extended capability

    In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Properly hide first-in-list PCIe extended capability There are cases where a PCIe extended capability should be hidden from the user. For example, an unknown capability (i.e., capab…

  • 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…

  • Unscored —

    usb: typec: fix potential array underflow in ucsi_ccg_sync_control()

    In the Linux kernel, the following vulnerability has been resolved: usb: typec: fix potential array underflow in ucsi_ccg_sync_control() The "command" variable can be controlled by the user via debugfs. The worry is that if con_index is zero then "&uc->ucsi->…

  • High 7.8

    xen: Fix the issue of resource not being properly released in xenbus_dev_probe()

    In the Linux kernel, the following vulnerability has been resolved: xen: Fix the issue of resource not being properly released in xenbus_dev_probe() This patch fixes an issue in the function xenbus_dev_probe(). In the xenbus_dev_probe() function, within the i…

  • High 7.8
    CVE-2024-53197 Exploited

    ALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devices

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devices A bogus device can provide a bNumConfigurations value that exceeds the initial value used in usb_get_configura…

    KEV Apr 9, 2025
  • Unscored —

    KVM: arm64: Don't retire aborted MMIO instruction

    In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't retire aborted MMIO instruction Returning an abort to the guest for an unsupported MMIO access is a documented feature of the KVM UAPI. Nevertheless, it's clear that this pl…

  • Unscored —

    KVM: arm64: Get rid of userspace_irqchip_in_use

    In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Get rid of userspace_irqchip_in_use Improper use of userspace_irqchip_in_use led to syzbot hitting the following WARN_ON() in kvm_timer_update_irq(): WARNING: CPU: 0 PID: 3281 at …

  • High 7.8

    PCI: Fix use-after-free of slot->bus on hot remove

    In the Linux kernel, the following vulnerability has been resolved: PCI: Fix use-after-free of slot->bus on hot remove Dennis reports a boot crash on recent Lenovo laptops with a USB4 dock. Since commit 0fc70886569c ("thunderbolt: Reset USB4 v2 host router") …

  • 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…

  • Medium 5.5

    io_uring: check for overflows in io_pin_pages

    In the Linux kernel, the following vulnerability has been resolved: io_uring: check for overflows in io_pin_pages WARNING: CPU: 0 PID: 5834 at io_uring/memmap.c:144 io_pin_pages+0x149/0x180 io_uring/memmap.c:144 CPU: 0 UID: 0 PID: 5834 Comm: syz-executor825 N…

  • Unscored —

    um: ubd: Do not use drvdata in release

    In the Linux kernel, the following vulnerability has been resolved: um: ubd: Do not use drvdata in release The drvdata is not available in release. Let's just use container_of() to get the ubd instance. Otherwise, removing a ubd device will result in a crash:…

  • Unscored —

    um: net: Do not use drvdata in release

    In the Linux kernel, the following vulnerability has been resolved: um: net: Do not use drvdata in release The drvdata is not available in release. Let's just use container_of() to get the uml_net instance. Otherwise, removing a network device will result in …

  • Unscored —

    um: vector: Do not use drvdata in release

    In the Linux kernel, the following vulnerability has been resolved: um: vector: Do not use drvdata in release The drvdata is not available in release. Let's just use container_of() to get the vector_device instance. Otherwise, removing a vector device will re…

  • Medium 5.5

    ALSA: pcm: Add sanity NULL check for the default mmap fault handler

    In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Add sanity NULL check for the default mmap fault handler A driver might allow the mmap access before initializing its runtime->dma_area properly. Add a proper NULL check before pas…

  • Critical 9.8

    smb: client: fix use-after-free of signing key

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free of signing key Customers have reported use-after-free in @ses->auth_key.response with SMB2.1 + sign mounts which occurs due to following race: task A task B ci…

  • Medium 5.5

    ipc: fix memleak if msg_init_ns failed in create_ipc_ns

    In the Linux kernel, the following vulnerability has been resolved: ipc: fix memleak if msg_init_ns failed in create_ipc_ns Percpu memory allocation may failed during create_ipc_ns however this fail is not handled properly since ipc sysctls and mq sysctls is …

  • High 7.8

    SUNRPC: make sure cache entry active before cache_show

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: make sure cache entry active before cache_show The function `c_show` was called with protection from RCU. This only ensures that `cp` will not be freed. Therefore, the reference count…

  • High 7.8

    NFSv4.0: Fix a use-after-free problem in the asynchronous open()

    In the Linux kernel, the following vulnerability has been resolved: NFSv4.0: Fix a use-after-free problem in the asynchronous open() Yang Erkun reports that when two threads are opening files at the same time, and are forced to abort before a reply is seen, t…

  • Unscored —

    ubi: fastmap: Fix duplicate slab cache names while attaching

    In the Linux kernel, the following vulnerability has been resolved: ubi: fastmap: Fix duplicate slab cache names while attaching Since commit 4c39529663b9 ("slab: Warn on duplicate cache names when DEBUG_VM=y"), the duplicate slab cache names can be detected …

  • High 7.8

    ubifs: authentication: Fix use-after-free in ubifs_tnc_end_commit

    In the Linux kernel, the following vulnerability has been resolved: ubifs: authentication: Fix use-after-free in ubifs_tnc_end_commit After an insertion in TNC, the tree might split and cause a node to change its `znode->parent`. A further deletion of other n…

  • High 7.8

    sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket

    In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket BUG: KASAN: slab-use-after-free in tcp_write_timer_handler+0x156/0x3e0 Read of size 1 at addr ffff888111f322cd by task swapper/0/0…

  • High 7.4

    sh: intc: Fix use-after-free bug in register_intc_controller()

    In the Linux kernel, the following vulnerability has been resolved: sh: intc: Fix use-after-free bug in register_intc_controller() In the error handling for this function, d is freed without ever removing it from intc_list which would lead to a use after free…

  • Unscored —

    sh: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK

    In the Linux kernel, the following vulnerability has been resolved: sh: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK When CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS are selected, cpu_max_bits_warn() generates a runtime warning similar as belo…

  • High 7.8

    net: sched: fix ordering of qlen adjustment

    In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ordering of qlen adjustment Changes to sch->q.qlen around qdisc_tree_reduce_backlog() need to happen _before_ a call to said function because otherwise it may fail to notify p…

  • Medium 6.7

    In the linux kernel, if IMA appraisal is used with the "ima_appraise=log" boot param, lockdown can be defeated with kex…

  • Medium 5.5

    EDAC/bluefield: Fix potential integer overflow

    In the Linux kernel, the following vulnerability has been resolved: EDAC/bluefield: Fix potential integer overflow The 64-bit argument for the "get DIMM info" SMC call consists of mem_ctrl_idx left-shifted 16 bits and OR-ed with DIMM index. With mem_ctrl_idx …

  • Medium 5.5

    soc: qcom: geni-se: fix array underflow in geni_se_clk_tbl_get()

    In the Linux kernel, the following vulnerability has been resolved: soc: qcom: geni-se: fix array underflow in geni_se_clk_tbl_get() This loop is supposed to break if the frequency returned from clk_round_rate() is the same as on the previous iteration. Howev…

  • Medium 5.5

    firmware: arm_scpi: Check the DVFS OPP count returned by the firmware

    In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scpi: Check the DVFS OPP count returned by the firmware Fix a kernel crash with the below call trace when the SCPI firmware returns OPP count of zero. dvfs_info.opp_count may be…

  • High 7.8

    wifi: ath9k: add range check for conn_rsp_epid in htc_connect_service()

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: add range check for conn_rsp_epid in htc_connect_service() I found the following bug in my fuzzer: UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath9k/htc_hst.c:26…