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Linux

20,703 known vulnerabilities.

20,703 results · Feed

  • High 7.8

    dm-log: fix a bitset_size overflow on 32bit machines

    In the Linux kernel, the following vulnerability has been resolved: dm-log: fix a bitset_size overflow on 32bit machines Commit c20e36b7631d ("dm log: fix out-of-bounds write due to region_count overflow") made sure that region_count could fit in an unsigned …

  • Unscored —

    dm-pcache: reject option groups without values

    In the Linux kernel, the following vulnerability has been resolved: dm-pcache: reject option groups without values The pcache target parses optional arguments as name/value pairs. A table that advertises one optional argument and supplies only a recognized op…

  • High 7.3

    dm: avoid leaking the caller's thread keyring via the table device file

    In the Linux kernel, the following vulnerability has been resolved: dm: avoid leaking the caller's thread keyring via the table device file The refactoring in commit a28d893eb327 ("md: port block device access to file") accidentally causes the caller's thread…

  • High 7.8

    dm_early_create: fix freeing used table on dm_resume failure

    In the Linux kernel, the following vulnerability has been resolved: dm_early_create: fix freeing used table on dm_resume failure If dm_resume fails, the kernel attempts to free table with dm_table_destroy, but the table was already instantiated with dm_swap_t…

  • Unscored —

    dm-integrity: fix leaking uninitialized kernel memory

    In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix leaking uninitialized kernel memory If hash size is less than device's tuple size, dm-integrity is supposed to zero the remaining space. There was a bug in the code that zer…

  • High 8.8

    dm-integrity: fix a bug if the bio is out of limits

    In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix a bug if the bio is out of limits If dm_integrity_check_limits fails, the code would exit with DM_MAPIO_KILL. However, the range would be already locked at this point, and i…

  • High 7.1

    dm-integrity: don't increment hash_offset twice

    In the Linux kernel, the following vulnerability has been resolved: dm-integrity: don't increment hash_offset twice hash_offset is already incremented in the loop "for (i = 0; i < to_copy; i++, ts--)". Do not increment it again.

  • Critical 9.8

    dm-verity: fix buffer overflow in FEC calculation

    In the Linux kernel, the following vulnerability has been resolved: dm-verity: fix buffer overflow in FEC calculation There's a buffer overflow in dm-verity-fec: if (neras && *neras <= v->fec->roots) fio->erasures[(*neras)++] = i; This allows *neras to reach …

  • Unscored —

    dm-verity: fix a possible NULL pointer dereference

    In the Linux kernel, the following vulnerability has been resolved: dm-verity: fix a possible NULL pointer dereference Fix a possible NULL pointer dereference dm_verity_loadpin_is_bdev_trusted if the device has no table.

  • Unscored —

    dm-verity: make error counter atomic

    In the Linux kernel, the following vulnerability has been resolved: dm-verity: make error counter atomic The error counter "v->corrupted_errs" was not atomic, thus it could be subject to race conditions. The call to dm_audit_log_target("max-corrupted-errors")…

  • High 7.8

    dma-fence: Make dma_fence_dedup_array() robust against 0-count input

    In the Linux kernel, the following vulnerability has been resolved: dma-fence: Make dma_fence_dedup_array() robust against 0-count input dma_fence_dedup_array() returns 1 when called with num_fences == 0: the for-loop body never executes, j stays at 0, and th…

  • Unscored —

    dma-buf: dma-fence: Fix potential NULL pointer dereference

    In the Linux kernel, the following vulnerability has been resolved: dma-buf: dma-fence: Fix potential NULL pointer dereference The commit mentioned in the fixes tag below introduced a mechanism through which fence producers can fully decouple from fence consu…

  • Unscored —

    accel/amdxdna: reject command submission on devices without a submit op

    In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: reject command submission on devices without a submit op amdxdna_cmd_submit() calls xdna->dev_info->ops->cmd_submit() unconditionally, but only aie2_dev_ops defines that callba…

  • High 7.8

    accel/amdxdna: Fix use-after-free in amdxdna_gem_dmabuf_mmap()

    In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix use-after-free in amdxdna_gem_dmabuf_mmap() When vm_insert_pages() fails, the error path calls vma->vm_ops->close(vma) which internally calls drm_gem_vm_close() → drm_gem_o…

  • Unscored —

    accel/amdxdna: reject user command submission without a command BO

    In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: reject user command submission without a command BO amdxdna_drm_submit_execbuf() passes the user-supplied command BO handle straight into amdxdna_cmd_submit() with drv_cmd == N…

  • High 7.8

    accel/amdxdna: Use caller client for debug BO sync

    In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Use caller client for debug BO sync amdxdna_drm_sync_bo_ioctl() looks up args->handle in the ioctl caller's drm_file. For SYNC_DIRECT_FROM_DEVICE, it then calls amdxdna_hwctx_s…

  • High 7.1

    accel/ivpu: Reject firmware log with size smaller than header

    In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Reject firmware log with size smaller than header fw_log_from_bo() validates the tracing buffer header_size and that the log fits within the BO, but never checks that log->size is…

  • Unscored —

    scsi: hpsa: Fix DMA mapping leak on IOACCEL2 reset path

    In the Linux kernel, the following vulnerability has been resolved: scsi: hpsa: Fix DMA mapping leak on IOACCEL2 reset path If phys_disk->in_reset is set, the function returns directly without undoing the resources acquired for the command. Add the missing er…

  • Unscored —

    scsi: lpfc: Fix memory leak in lpfc_sli4_driver_resource_setup()

    In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix memory leak in lpfc_sli4_driver_resource_setup() The memory allocated for mboxq using mempool_alloc() is not freed in some of the early exit error paths. Fix that by moving th…

  • Unscored —

    scsi: xen: scsiback: Free the command tag on the TMR submit-failure path

    In the Linux kernel, the following vulnerability has been resolved: scsi: xen: scsiback: Free the command tag on the TMR submit-failure path scsiback_device_action() obtains a command tag in scsiback_get_pend_req() and submits a task-management request with t…

  • Critical 9.3

    scsi: xen: scsiback: Free unsubmitted command instead of double-putting it

    In the Linux kernel, the following vulnerability has been resolved: scsi: xen: scsiback: Free unsubmitted command instead of double-putting it scsiback_get_pend_req() obtains a command tag and returns a vscsibk_pend whose embedded se_cmd has only been memset …

  • Critical 9.8

    scsi: target: Bound PR-OUT TransportID parsing to the received buffer

    In the Linux kernel, the following vulnerability has been resolved: scsi: target: Bound PR-OUT TransportID parsing to the received buffer core_scsi3_decode_spec_i_port() and core_scsi3_emulate_register_and_move() hand the raw PERSISTENT RESERVE OUT parameter …

  • Critical 9.8

    scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE

    In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE core_scsi3_emulate_pro_register_and_move() maps the PERSISTENT RESERVE OUT parameter list with transport_kmap_data_sg() …

  • Unscored —

    scsi: elx: efct: Fix refcount leak in efct_hw_io_abort()

    In the Linux kernel, the following vulnerability has been resolved: scsi: elx: efct: Fix refcount leak in efct_hw_io_abort() When efct_hw_reqtag_alloc() fails in efct_hw_io_abort(), the error path returns -ENOSPC without releasing the reference obtained via k…

  • Unscored —

    scsi: elx: efct: Fix I/O leak on unsupported additional CDB

    In the Linux kernel, the following vulnerability has been resolved: scsi: elx: efct: Fix I/O leak on unsupported additional CDB efct_dispatch_fcp_cmd() allocates an efct_io before dispatching an unsolicited FCP command. If the command has an unsupported addit…

  • High 7.8

    fs/resctrl: Fix use-after-free during unmount

    In the Linux kernel, the following vulnerability has been resolved: fs/resctrl: Fix use-after-free during unmount During unmount or failure teardown all mon_data structures that contain monitoring event file private data are freed after which kernfs nodes are…

  • Unscored —

    Input: ims-pcu - fix use-after-free and double-free in disconnect

    In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - fix use-after-free and double-free in disconnect ims_pcu_disconnect() only intended to perform cleanup when the primary (control) interface is unbound. However, it currently …

  • Unscored —

    Input: ims-pcu - validate control endpoint type

    In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - validate control endpoint type The driver currently assumes that the first endpoint of the control interface is an interrupt IN endpoint without verifying it. A malicious dev…

  • Unscored —

    Input: ims-pcu - fix firmware leak in async update

    In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - fix firmware leak in async update The firmware object was not being released if validation failed. Use __free(firmware) to ensure the firmware is always released.

  • Unscored —

    Input: ims-pcu - fix race condition in reset_device sysfs callback

    In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - fix race condition in reset_device sysfs callback The ims_pcu_reset_device() sysfs callback calls ims_pcu_execute_command() without acquiring pcu->cmd_mutex. This can lead to…

  • Unscored —

    Input: ims-pcu - fix out-of-bounds read in ims_pcu_irq() debug logging

    In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - fix out-of-bounds read in ims_pcu_irq() debug logging The debug logging in ims_pcu_irq() unconditionally prints data from pcu->urb_in_buf. However, if the interrupt fired for…

  • Unscored —

    Input: ims-pcu - fix type confusion in CDC union descriptor parsing

    In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - fix type confusion in CDC union descriptor parsing The driver currently trusts the bMasterInterface0 from the CDC union descriptor without verifying that it matches the inter…

  • Unscored —

    mmc: vub300: fix use-after-free on probe failure

    In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix use-after-free on probe failure The vub300 driver lifetime-manages its controller state using vub300->kref, with vub300_delete() freeing the mmc host when the last reference …

  • High 7.8

    tracing/user_events: Fix use-after-free in user_event_mm_dup()

    In the Linux kernel, the following vulnerability has been resolved: tracing/user_events: Fix use-after-free in user_event_mm_dup() user_event_mm_dup() walks the parent mm's enabler list locklessly under rcu_read_lock() during fork() (from copy_process()); it …

  • High 7.8

    net/mlx5e: macsec: fix use-after-free of metadata_dst on RX SC delete

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: macsec: fix use-after-free of metadata_dst on RX SC delete When an offloaded MACsec RX SC is deleted, macsec_del_rxsc_ctx() freed the per-SC metadata_dst with metadata_dst_free(), …

  • Unscored —

    wifi: libertas_tf: fix use-after-free in lbtf_free_adapter()

    In the Linux kernel, the following vulnerability has been resolved: wifi: libertas_tf: fix use-after-free in lbtf_free_adapter() lbtf_free_adapter() calls timer_delete(&priv->command_timer), which does not wait for a running command_timer_fn() callback. lbtf_…

  • Unscored —

    posix-cpu-timers: Use u64 multiplication in update_rlimit_cpu()

    In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Use u64 multiplication in update_rlimit_cpu() update_rlimit_cpu() converts the RLIMIT_CPU value to nanoseconds with u64 nsecs = rlim_new * NSEC_PER_SEC; On 32-bit kernels bo…

  • Critical 9.8

    locking/rt: Fix the incorrect RCU protection in rt_spin_unlock()

    In the Linux kernel, the following vulnerability has been resolved: locking/rt: Fix the incorrect RCU protection in rt_spin_unlock() rt_spin_unlock() releases the RCU protection before unlocking the lock. That opens the door for the following UAF scenario: T1…

  • High 7.8

    cpu: hotplug: Preserve per instance callback errors

    In the Linux kernel, the following vulnerability has been resolved: cpu: hotplug: Preserve per instance callback errors cpuhp_invoke_callback() unwinds earlier callbacks for the same hotplug state when one instance fails. The rollback path currently reuses re…

  • High 7.8

    cpu: hotplug: Bound hotplug states sysfs output

    In the Linux kernel, the following vulnerability has been resolved: cpu: hotplug: Bound hotplug states sysfs output states_show() adds CPU hotplug state names into a single sysfs buffer using sprintf(). With enough registered states, this can write past the e…