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Linux

20,707 known vulnerabilities.

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  • High 7.5

    ntfs: avoid heap allocation for free-cluster readahead state

    In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid heap allocation for free-cluster readahead state get_nr_free_clusters() allocates a temporary file_ra_state before it publishes the precomputed free cluster count, sets NVolFreeCl…

  • High 8.4

    fs/ntfs3: bound DeleteIndexEntryAllocation memmove length

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: bound DeleteIndexEntryAllocation memmove length In do_action()'s DeleteIndexEntryAllocation case, e->size comes from an on-disk INDEX_BUFFER entry. When e->size makes e + e->size po…

  • High 7.8

    ntfs: reject non-resident records for resident-only attributes

    In the Linux kernel, the following vulnerability has been resolved: ntfs: reject non-resident records for resident-only attributes The shared lookup-time attribute validator rejects non-resident $FILE_NAME and $VOLUME_NAME records because their formats requir…

  • High 8.4

    fs/ntfs3: bound copy_lcns dp->page_lcns[] index in analysis pass

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: bound copy_lcns dp->page_lcns[] index in analysis pass In log_replay()'s analysis pass, after find_dp() returns a valid DIR_PAGE_ENTRY for the (target_attr, target_vcn) tuple, the c…

  • High 7.8

    fs/ntfs3: bound attr_off in UpdateResidentValue against data_off

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: bound attr_off in UpdateResidentValue against data_off In do_action()'s UpdateResidentValue case (fslog.c:3307), lrh->attr_off and lrh->redo_len come from the on-disk LRH. When they…

  • High 8.4

    landlock: Fix LANDLOCK_SCOPE_SIGNAL bypass on the SIGIO path

    In the Linux kernel, the following vulnerability has been resolved: landlock: Fix LANDLOCK_SCOPE_SIGNAL bypass on the SIGIO path LANDLOCK_SCOPE_SIGNAL must prevent a sandboxed process from signaling processes outside its Landlock domain. It can be bypassed th…

  • High 7.8

    mips: sched: Fix CPUMASK_OFFSTACK memory corruption

    In the Linux kernel, the following vulnerability has been resolved: mips: sched: Fix CPUMASK_OFFSTACK memory corruption This patch addresses a critical memory management flaw. When CONFIG_CPUMASK_OFFSTACK is enabled, cpumask_var_t is a pointer. Consequently, …

  • High 7.1

    fs/proc/task_mmu: fix make_uffd_wp_huge_pte() prot-update race

    In the Linux kernel, the following vulnerability has been resolved: fs/proc/task_mmu: fix make_uffd_wp_huge_pte() prot-update race Patch series "userfaultfd/pagemap: pre-existing fixes". These are pre-existing bug fixes that were carried at the front of the u…

  • High 7.8

    mtd: slram: remove failed entries from the device list

    In the Linux kernel, the following vulnerability has been resolved: mtd: slram: remove failed entries from the device list register_device() links a new slram_mtdlist entry before allocating all of the state needed by the entry. If a later allocation, memrema…

  • High 7.8

    mm/mm_init: fix uninitialized struct pages for ZONE_DEVICE

    In the Linux kernel, the following vulnerability has been resolved: mm/mm_init: fix uninitialized struct pages for ZONE_DEVICE If DAX memory is hotplugged into an unoccupied subsection of an early section, section_activate() reuses the unoptimized boot memmap…

  • High 7.8

    9p: skip nlink update in cacheless mode to fix WARN_ON

    In the Linux kernel, the following vulnerability has been resolved: 9p: skip nlink update in cacheless mode to fix WARN_ON v9fs_dec_count() unconditionally calls drop_nlink() on regular files, even when the inode's nlink is already zero. In cacheless mode the…

  • High 7.8

    mtd: rawnand: fix condition in 'nand_select_target()'

    In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: fix condition in 'nand_select_target()' 'cs' here must be in range [0:nanddev_ntargets[.

  • High 7.8

    ocfs2: avoid moving extents to occupied clusters

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: avoid moving extents to occupied clusters For non-auto OCFS2_IOC_MOVE_EXT operations, userspace supplies a physical me_goal. ocfs2_move_extent() initializes new_phys_cpos from that goa…

  • High 7.8

    ocfs2: fix UBSAN array-index-out-of-bounds in ocfs2_sum_rightmost_rec

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix UBSAN array-index-out-of-bounds in ocfs2_sum_rightmost_rec [BUG] On-disk corruption setting l_next_free_rec to 0 in an inode's embedded extent list triggers a UBSAN panic on the ne…

  • High 8.8

    ocfs2: reject dinodes with non-canonical i_mode type

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: reject dinodes with non-canonical i_mode type Patch series "ocfs2: harden inode validators against forged metadata", v2. This series adds three structural checks to OCFS2 dinode valida…

  • High 8.8

    net: thunderbolt: Fix frags[] overflow by bounding frame_count

    In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Fix frags[] overflow by bounding frame_count tbnet_poll() assembles a multi-frame ThunderboltIP packet into one skb. The first frame goes into the skb linear area and every …

  • High 7.8

    openrisc: Fix jump_label smp syncing

    In the Linux kernel, the following vulnerability has been resolved: openrisc: Fix jump_label smp syncing The original commit 8c30b0018f9d ("openrisc: Add jump label support") copies from arm64 and does not properly consider how icache invalidation on remote c…

  • High 8.4

    tpm: tpm2-sessions: wait for async KPP completion in tpm_buf_append_salt

    In the Linux kernel, the following vulnerability has been resolved: tpm: tpm2-sessions: wait for async KPP completion in tpm_buf_append_salt tpm_buf_append_salt() in drivers/char/tpm/tpm2-sessions.c calls crypto_kpp_generate_public_key() and crypto_kpp_comput…

  • High 7.5

    dmaengine: tegra: Fix burst size calculation

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: tegra: Fix burst size calculation Currently, the Tegra GPC DMA hardware requires the transfer length to be a multiple of the max burst size configured for the channel. When a clien…

  • High 8.8

    dmaengine: dw-edma: Add spinlock to protect DONE_INT_MASK and ABORT_INT_MASK

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-edma: Add spinlock to protect DONE_INT_MASK and ABORT_INT_MASK The DONE_INT_MASK and ABORT_INT_MASK registers are shared by all DMA channels, and modifying them requires a read-…

  • High 8.4

    dmaengine: sh: rz-dmac: Move interrupt request after everything is set up

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: sh: rz-dmac: Move interrupt request after everything is set up Once the interrupt is requested, the interrupt handler may run immediately. Since the IRQ handler can access channel-…

  • High 7.8

    platform/x86: dell-laptop: fix missing cleanups in init error path

    In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-laptop: fix missing cleanups in init error path dell_init() initializes several resources after dell_setup_rfkill(), including the optional touchpad LED, keyboard backlight…

  • High 7.1

    platform/x86: ISST: Restore SST-PP control to all domains

    In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Restore SST-PP control to all domains The SST-PP control offset is only restored to power domain 0 after resume. During suspend, control values are read and stored for all…

  • High 7.5

    i2c: imx: fix locked bus on SMBus block-read of 0 (IRQ)

    In the Linux kernel, the following vulnerability has been resolved: i2c: imx: fix locked bus on SMBus block-read of 0 (IRQ) SMBus 3.1 6.5.7 allows a Block Read byte count of 0, but the interrupt-driven block-read state machine rejects it as -EPROTO. Worse, it…

  • High 8.8

    xfrm: xfrm_interface: require CAP_NET_ADMIN in the device netns for changelink

    In the Linux kernel, the following vulnerability has been resolved: xfrm: xfrm_interface: require CAP_NET_ADMIN in the device netns for changelink xfrmi_changelink() operates on at most two netns, dev_net(dev) and the interface link netns xi->net. They differ…

  • High 7.8

    tpm: Make the TPM character devices non-seekable

    In the Linux kernel, the following vulnerability has been resolved: tpm: Make the TPM character devices non-seekable The TPM character devices expose a sequential command/response interface, but their open handlers leave FMODE_PREAD and FMODE_PWRITE enabled. …

  • High 7.8

    spi: imx: reconfigure for PIO when DMA cannot be started

    In the Linux kernel, the following vulnerability has been resolved: spi: imx: reconfigure for PIO when DMA cannot be started When spi_imx_can_dma() selects DMA, the ECSPI is configured for DMA: spi_imx_setupxfer() sets CTRL.SMC and clears dynamic_burst, and s…

  • High 8.4

    spi: uniphier: Fix completion initialization order before devm_request_irq()

    In the Linux kernel, the following vulnerability has been resolved: spi: uniphier: Fix completion initialization order before devm_request_irq() The driver calls devm_request_irq() before initializing the completion used by the interrupt handler. Because the …

  • High 7.8

    can: isotp: use unconditional synchronize_rcu() in isotp_release()

    In the Linux kernel, the following vulnerability has been resolved: can: isotp: use unconditional synchronize_rcu() in isotp_release() isotp_notify() unregisters the (RCU) CAN filters via can_rx_unregister() and clears so->bound without waiting for a grace pe…

  • High 8.8

    can: isotp: serialize TX state transitions under so->rx_lock

    In the Linux kernel, the following vulnerability has been resolved: can: isotp: serialize TX state transitions under so->rx_lock The TX state machine (so->tx.state) is driven from three contexts: sendmsg() claiming and progressing a transfer, the RX path cons…

  • High 7.8

    can: isotp: fix use-after-free race with concurrent NETDEV_UNREGISTER

    In the Linux kernel, the following vulnerability has been resolved: can: isotp: fix use-after-free race with concurrent NETDEV_UNREGISTER isotp_release() looked up the bound network device via dev_get_by_index() using the stored ifindex. During device unregis…

  • High 7.8

    can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF

    In the Linux kernel, the following vulnerability has been resolved: can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF Commit f1b4e32aca08 ("can: bcm: use call_rcu() instead of costly synchronize_rcu()") replaced synchronize_rcu() in bcm_dele…

  • High 7.3

    can: bcm: fix lockless bound/ifindex race and silent RX_SETUP failure

    In the Linux kernel, the following vulnerability has been resolved: can: bcm: fix lockless bound/ifindex race and silent RX_SETUP failure bcm_sendmsg() reads bo->ifindex and checks bo->bound before taking lock_sock(), while bcm_notify(), bcm_connect() and bcm…

  • High 8.8

    can: bcm: add locking when updating filter and timer values

    In the Linux kernel, the following vulnerability has been resolved: can: bcm: add locking when updating filter and timer values KCSAN detected a simultaneous access to timer values that can be overwritten in bcm_rx_setup() when updating timer and filter conte…

  • High 7.8

    can: bcm: add missing rcu list annotations and operations

    In the Linux kernel, the following vulnerability has been resolved: can: bcm: add missing rcu list annotations and operations sashiko-bot remarked the missing use of list_add_rcu() in bcm_[rx|tx]_setup() to have a proper initialized bcm_op structure when bcm_…

  • High 7.8

    can: bcm: extend bcm_tx_lock usage for data and timer updates

    In the Linux kernel, the following vulnerability has been resolved: can: bcm: extend bcm_tx_lock usage for data and timer updates Stage new CAN frame content for an existing tx op into a kmalloc()'d buffer and validate it there, mirroring the approach already…

  • High 7.1

    can: bcm: fix stale rx/tx ops after device removal

    In the Linux kernel, the following vulnerability has been resolved: can: bcm: fix stale rx/tx ops after device removal RX: an RX_SETUP update(!) for an existing op skipped can_rx_register() unconditionally, even when a concurrent NETDEV_UNREGISTER had already…

  • High 8.1

    can: bcm: track a single source interface for ANYDEV timeout/throttle ops

    In the Linux kernel, the following vulnerability has been resolved: can: bcm: track a single source interface for ANYDEV timeout/throttle ops An ANYDEV rx op (ifindex == 0) with an active RX timeout and/or throttle timer has no defined semantics when matching…

  • High 7.8

    can: bcm: validate frame length in bcm_rx_setup() for RTR replies

    In the Linux kernel, the following vulnerability has been resolved: can: bcm: validate frame length in bcm_rx_setup() for RTR replies bcm_tx_setup() validates cf->len against the CAN/CAN FD DLC limits before installing frames for TX_SETUP, but bcm_rx_setup() …

  • High 7.8

    can: bcm: add missing device refcount for CAN filter removal

    In the Linux kernel, the following vulnerability has been resolved: can: bcm: add missing device refcount for CAN filter removal sashiko-bot remarked a problem with a concurrent device unregistration in isotp.c which also is present in the bcm.c code. A forme…