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Package · Ubuntu

linux-kvm

12,406 known vulnerabilities.

12,260 results · Feed

  • High 7.5

    fou: Fix null-ptr-deref in GRO.

    In the Linux kernel, the following vulnerability has been resolved: fou: Fix null-ptr-deref in GRO. We observed a null-ptr-deref in fou_gro_receive() while shutting down a host. [0] The NULL pointer is sk->sk_user_data, and the offset 8 is of protocol in stru…

  • Unscored —

    pci/hotplug/pnv_php: Fix hotplug driver crash on Powernv

    In the Linux kernel, the following vulnerability has been resolved: pci/hotplug/pnv_php: Fix hotplug driver crash on Powernv The hotplug driver for powerpc (pci/hotplug/pnv_php.c) causes a kernel crash when we try to hot-unplug/disable the PCIe switch/bridge …

  • Unscored —

    hwmon: (adc128d818) Fix underflows seen when writing limit attributes

    In the Linux kernel, the following vulnerability has been resolved: hwmon: (adc128d818) Fix underflows seen when writing limit attributes DIV_ROUND_CLOSEST() after kstrtol() results in an underflow if a large negative number such as -9223372036854775808 is pr…

  • High 8.8

    wifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id()

    In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id() mwifiex_get_priv_by_id() returns the priv pointer corresponding to the bss_num and bss_type, but without checking if the p…

  • High 7.8

    bpf: Remove tst_run from lwt_seg6local_prog_ops.

    In the Linux kernel, the following vulnerability has been resolved: bpf: Remove tst_run from lwt_seg6local_prog_ops. The syzbot reported that the lwt_seg6 related BPF ops can be invoked via bpf_test_run() without without entering input_action_end_bpf() first.…

  • Unscored —

    btrfs: handle errors from btrfs_dec_ref() properly

    In the Linux kernel, the following vulnerability has been resolved: btrfs: handle errors from btrfs_dec_ref() properly In walk_up_proc() we BUG_ON(ret) from btrfs_dec_ref(). This is incorrect, we have proper error handling here, return the error.

  • Unscored —

    btrfs: replace BUG_ON() with error handling at update_ref_for_cow()

    In the Linux kernel, the following vulnerability has been resolved: btrfs: replace BUG_ON() with error handling at update_ref_for_cow() Instead of a BUG_ON() just return an error, log an error message and abort the transaction in case we find an extent buffer…

  • High 7.8

    btrfs: don't BUG_ON() when 0 reference count at btrfs_lookup_extent_info()

    In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUG_ON() when 0 reference count at btrfs_lookup_extent_info() Instead of doing a BUG_ON() handle the error by returning -EUCLEAN, aborting the transaction and logging an error me…

  • High 7.8

    PCI: Add missing bridge lock to pci_bus_lock()

    In the Linux kernel, the following vulnerability has been resolved: PCI: Add missing bridge lock to pci_bus_lock() One of the true positives that the cfg_access_lock lockdep effort identified is this sequence: WARNING: CPU: 14 PID: 1 at drivers/pci/pci.c:4886…

  • Unscored —

    HID: cougar: fix slab-out-of-bounds Read in cougar_report_fixup

    In the Linux kernel, the following vulnerability has been resolved: HID: cougar: fix slab-out-of-bounds Read in cougar_report_fixup report_fixup for the Cougar 500k Gaming Keyboard was not verifying that the report descriptor size was correct before accessing…

  • High 7.8

    HID: amd_sfh: free driver_data after destroying hid device

    In the Linux kernel, the following vulnerability has been resolved: HID: amd_sfh: free driver_data after destroying hid device HID driver callbacks aren't called anymore once hid_destroy_device() has been called. Hence, hid driver_data should be freed only af…

  • Unscored —

    Input: uinput - reject requests with unreasonable number of slots

    In the Linux kernel, the following vulnerability has been resolved: Input: uinput - reject requests with unreasonable number of slots When exercising uinput interface syzkaller may try setting up device with a really large number of slots, which causes memory…

  • High 7.3

    of/irq: Prevent device address out-of-bounds read in interrupt map walk

    In the Linux kernel, the following vulnerability has been resolved: of/irq: Prevent device address out-of-bounds read in interrupt map walk When of_irq_parse_raw() is invoked with a device address smaller than the interrupt parent node (from #address-cells pr…

  • Unscored —

    Squashfs: sanity check symbolic link size

    In the Linux kernel, the following vulnerability has been resolved: Squashfs: sanity check symbolic link size Syzkiller reports a "KMSAN: uninit-value in pick_link" bug. This is caused by an uninitialised page, which is ultimately caused by a corrupted symbol…

  • Unscored —

    smb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()

    In the Linux kernel, the following vulnerability has been resolved: smb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open() null-ptr-deref will occur when (req_op_level == SMB2_OPLOCK_LEVEL_LEASE) and parse_lease_state() return NULL. Fix thi…

  • High 7.8

    binder: fix UAF caused by offsets overwrite

    In the Linux kernel, the following vulnerability has been resolved: binder: fix UAF caused by offsets overwrite Binder objects are processed and copied individually into the target buffer during transactions. Any raw data in-between these objects is copied as…

  • Unscored —

    uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind

    In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind For primary VM Bus channels, primary_channel pointer is always NULL. This pointer is valid only for the secondary channel…

  • High 7.8

    VMCI: Fix use-after-free when removing resource in vmci_resource_remove()

    In the Linux kernel, the following vulnerability has been resolved: VMCI: Fix use-after-free when removing resource in vmci_resource_remove() When removing a resource from vmci_resource_table in vmci_resource_remove(), the search is performed using the resour…

  • High 7.5

    nvmet-tcp: fix kernel crash if commands allocation fails

    In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fix kernel crash if commands allocation fails If the commands allocation fails in nvmet_tcp_alloc_cmds() the kernel crashes in nvmet_tcp_release_queue_work() because of a NULL poin…

  • Unscored —

    btrfs: fix qgroup reserve leaks in cow_file_range

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix qgroup reserve leaks in cow_file_range In the buffered write path, the dirty page owns the qgroup reserve until it creates an ordered_extent. Therefore, any errors that occur befor…

  • Unscored —

    drm/amd/pm: fix the Out-of-bounds read warning

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fix the Out-of-bounds read warning using index i - 1U may beyond element index for mc_data[] when i = 0.

  • Unscored —

    drm/amd/display: Assign linear_pitch_alignment even for VM

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Assign linear_pitch_alignment even for VM [Description] Assign linear_pitch_alignment so we don't cause a divide by 0 error in VM environments

  • High 7.8

    drm/amd/display: Ensure array index tg_inst won't be -1

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Ensure array index tg_inst won't be -1 [WHY & HOW] tg_inst will be a negative if timing_generator_count equals 0, which should be checked before used. This fixes 2 OVERRUN is…

  • Unscored —

    drm/amd/display: Check index for aux_rd_interval before using

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check index for aux_rd_interval before using aux_rd_interval has size of 7 and should be checked. This fixes 3 OVERRUN and 1 INTEGER_OVERFLOW issues reported by Coverity.

  • Unscored —

    drm/amd/display: Fix incorrect size calculation for loop

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix incorrect size calculation for loop [WHY] fe_clk_en has size of 5 but sizeof(fe_clk_en) has byte size 20 which is lager than the array size. [HOW] Divide byte size 20 by …

  • Unscored —

    drm/amd/display: Add otg_master NULL check within resource_log_pipe_topology_update

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add otg_master NULL check within resource_log_pipe_topology_update [Why] Coverity reports NULL_RETURN warning. [How] Add otg_master NULL check.

  • Unscored —

    drm/amd/display: Ensure index calculation will not overflow

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Ensure index calculation will not overflow [WHY & HOW] Make sure vmid0p72_idx, vnom0p8_idx and vmax0p9_idx calculation will never overflow and exceess array size. This fixes …

  • High 7.8

    drm/amdgpu: Fix out-of-bounds write warning

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix out-of-bounds write warning Check the ring type value to fix the out-of-bounds write warning

  • Unscored —

    drm/amdgpu: Fix out-of-bounds read of df_v1_7_channel_number

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix out-of-bounds read of df_v1_7_channel_number Check the fb_channel_number range to avoid the array out-of-bounds read error

  • Unscored —

    drm/amdgpu: fix ucode out-of-bounds read warning

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix ucode out-of-bounds read warning Clear warning that read ucode[] may out-of-bounds.

  • Unscored —

    drm/amdgpu: fix mc_data out-of-bounds read warning

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix mc_data out-of-bounds read warning Clear warning that read mc_data[i-1] may out-of-bounds.

  • Unscored —

    drm/amdgpu: fix dereference after null check

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix dereference after null check check the pointer hive before use.

  • Unscored —

    usb: typec: ucsi: Fix null pointer dereference in trace

    In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Fix null pointer dereference in trace ucsi_register_altmode checks IS_ERR for the alt pointer and treats NULL as valid. When CONFIG_TYPEC_DP_ALTMODE is not enabled, ucsi_reg…

  • High 7.8

    dmaengine: altera-msgdma: properly free descriptor in msgdma_free_descriptor

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: altera-msgdma: properly free descriptor in msgdma_free_descriptor Remove list_del call in msgdma_chan_desc_cleanup, this should be the role of msgdma_free_descriptor. In consequenc…

  • Unscored —

    driver: iio: add missing checks on iio_info's callback access

    In the Linux kernel, the following vulnerability has been resolved: driver: iio: add missing checks on iio_info's callback access Some callbacks from iio_info structure are accessed without any check, so if a driver doesn't implement them trying to access the…

  • Unscored —

    drm/amd/display: Skip wbscl_set_scaler_filter if filter is null

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip wbscl_set_scaler_filter if filter is null Callers can pass null in filter (i.e. from returned from the function wbscl_get_filter_coeffs_16p) and a null check is added to…

  • High 7.8

    perf/aux: Fix AUX buffer serialization

    In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix AUX buffer serialization Ole reported that event->mmap_mutex is strictly insufficient to serialize the AUX buffer, add a per RB mutex to fully serialize it. Note that in the loc…

  • Unscored —

    KVM: arm64: Make ICC_*SGI*_EL1 undef in the absence of a vGICv3

    In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Make ICC_*SGI*_EL1 undef in the absence of a vGICv3 On a system with a GICv3, if a guest hasn't been configured with GICv3 and that the host is not capable of GICv2 emulation, a w…

  • Unscored —

    thunderbolt: Mark XDomain as unplugged when router is removed

    In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Mark XDomain as unplugged when router is removed I noticed that when we do discrete host router NVM upgrade and it gets hot-removed from the PCIe side as a result of NVM firmware…

  • Critical 9.8

    selinux,smack: don't bypass permissions check in inode_setsecctx hook

    In the Linux kernel, the following vulnerability has been resolved: selinux,smack: don't bypass permissions check in inode_setsecctx hook Marek Gresko reports that the root user on an NFS client is able to change the security labels on files on an NFS filesys…