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Linux

20,714 known vulnerabilities.

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  • High 7.5

    nvmet: fix memory leak of bio integrity

    In the Linux kernel, the following vulnerability has been resolved: nvmet: fix memory leak of bio integrity If nvmet receives commands with metadata there is a continuous memory leak of kmalloc-128 slab or more precisely bio->bi_integrity. Since commit bf4c89…

  • High 7.8

    mtk-sd: Prevent memory corruption from DMA map failure

    In the Linux kernel, the following vulnerability has been resolved: mtk-sd: Prevent memory corruption from DMA map failure If msdc_prepare_data() fails to map the DMA region, the request is not prepared for data receiving, but msdc_start_data() proceeds the D…

  • High 7.5

    scsi: target: Fix NULL pointer dereference in core_scsi3_decode_spec_i_port()

    In the Linux kernel, the following vulnerability has been resolved: scsi: target: Fix NULL pointer dereference in core_scsi3_decode_spec_i_port() The function core_scsi3_decode_spec_i_port(), in its error code path, unconditionally calls core_scsi3_lunacl_und…

  • High 7.8

    spi: spi-qpic-snand: reallocate BAM transactions

    In the Linux kernel, the following vulnerability has been resolved: spi: spi-qpic-snand: reallocate BAM transactions Using the mtd_nandbiterrs module for testing the driver occasionally results in weird things like below. 1. swiotlb mapping fails with the fol…

  • High 7.8

    fs: export anon_inode_make_secure_inode() and fix secretmem LSM bypass

    In the Linux kernel, the following vulnerability has been resolved: fs: export anon_inode_make_secure_inode() and fix secretmem LSM bypass Export anon_inode_make_secure_inode() to allow KVM guest_memfd to create anonymous inodes with proper security context. …

  • High 8.4

    regulator: gpio: Fix the out-of-bounds access to drvdata::gpiods

    In the Linux kernel, the following vulnerability has been resolved: regulator: gpio: Fix the out-of-bounds access to drvdata::gpiods drvdata::gpiods is supposed to hold an array of 'gpio_desc' pointers. But the memory is allocated for only one pointer. This w…

  • High 7.5

    NFSv4/pNFS: Fix a race to wake on NFS_LAYOUT_DRAIN

    In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: Fix a race to wake on NFS_LAYOUT_DRAIN We found a few different systems hung up in writeback waiting on the same page lock, and one task waiting on the NFS_LAYOUT_DRAIN bit in pnf…

  • High 7.8

    ACPICA: Refuse to evaluate a method if arguments are missing

    In the Linux kernel, the following vulnerability has been resolved: ACPICA: Refuse to evaluate a method if arguments are missing As reported in [1], a platform firmware update that increased the number of method parameters and forgot to update a least one of …

  • High 7.8

    btrfs: fix iteration of extrefs during log replay

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix iteration of extrefs during log replay At __inode_add_ref() when processing extrefs, if we jump into the next label we have an undefined value of victim_name.len, since we haven't …

  • High 7.5

    smb: client: fix warning when reconnecting channel

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix warning when reconnecting channel When reconnecting a channel in smb2_reconnect_server(), a dummy tcon is passed down to smb2_reconnect() with ->query_interface uninitialized…

  • High 8.8

    rose: fix dangling neighbour pointers in rose_rt_device_down()

    In the Linux kernel, the following vulnerability has been resolved: rose: fix dangling neighbour pointers in rose_rt_device_down() There are two bugs in rose_rt_device_down() that can cause use-after-free: 1. The loop bound `t->count` is modified within the l…

  • High 8.4

    virtio-net: ensure the received length does not exceed allocated size

    In the Linux kernel, the following vulnerability has been resolved: virtio-net: ensure the received length does not exceed allocated size In xdp_linearize_page, when reading the following buffers from the ring, we forget to check the received length with the …

  • High 7.8

    RDMA/mlx5: Fix unsafe xarray access in implicit ODP handling

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix unsafe xarray access in implicit ODP handling __xa_store() and __xa_erase() were used without holding the proper lock, which led to a lockdep warning due to unsafe RCU usage. T…

  • High 8.8

    LoongArch: KVM: Avoid overflow with array index

    In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Avoid overflow with array index The variable index is modified and reused as array index when modify register EIOINTC_ENABLE. There will be array index overflow problem.

  • High 7.8

    LoongArch: KVM: Check validity of "num_cpu" from user space

    In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Check validity of "num_cpu" from user space The maximum supported cpu number is EIOINTC_ROUTE_MAX_VCPUS about irqchip EIOINTC, here add validation about cpu number to avoid ar…

  • High 7.8

    fuse: fix runtime warning on truncate_folio_batch_exceptionals()

    In the Linux kernel, the following vulnerability has been resolved: fuse: fix runtime warning on truncate_folio_batch_exceptionals() The WARN_ON_ONCE is introduced on truncate_folio_batch_exceptionals() to capture whether the filesystem has removed all DAX en…

  • High 7.8
    CVE-2025-6018 Public exploit

    Pam-config: lpe from unprivileged to allow_active in pam

    A Local Privilege Escalation (LPE) vulnerability has been discovered in pam-config within Linux Pluggable Authentication Modules (PAM). This flaw allows an unprivileged local attacker (for example, a user logged in via SSH) to obtain the elevated privileges n…

  • High 8.5
    CVE-2016-15045 Public exploit

    Deepin lastore-daemon Privilege Escalation via Unsigned .deb Installation

    A local privilege escalation vulnerability exists in lastore-daemon, the system package manager daemon used in Deepin Linux (developed by Wuhan Deepin Technology Co., Ltd.). In versions 0.9.53-1 (Deepin 15.5) and 0.9.66-1 (Deepin 15.7), the D-Bus configuratio…

  • High 7.8
    CVE-2025-38352 Exploited Public exploit

    posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()

    In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() If an exiting non-autoreaping task has already passed exit_notify() and calls handle_posix_cpu_timers() …

    KEV Sep 4, 2025
  • High 7.8

    net/sched: Always pass notifications when child class becomes empty

    In the Linux kernel, the following vulnerability has been resolved: net/sched: Always pass notifications when child class becomes empty Certain classful qdiscs may invoke their classes' dequeue handler on an enqueue operation. This may unexpectedly empty the …

  • High 7.8

    eventpoll: don't decrement ep refcount while still holding the ep mutex

    In the Linux kernel, the following vulnerability has been resolved: eventpoll: don't decrement ep refcount while still holding the ep mutex Jann Horn points out that epoll is decrementing the ep refcount and then doing a mutex_unlock(&ep->mtx); afterwards. Th…

  • High 7.4

    Zoom Workplace for Linux - Improper Certificate Validation

    Improper certificate validation in Zoom Workplace for Linux before version 6.4.13 may allow an unauthorized user to conduct an information disclosure via network access.

  • High 7.5

    Libxslt: type confusion in xmlnode.psvi between stylesheet and source nodes

    A flaw was found in the libxslt library. The same memory field, psvi, is used for both stylesheet and input data, which can lead to type confusion during XML transformations. This vulnerability allows an attacker to crash the application or corrupt memory. In…

  • High 7.8

    Libxslt: libxml2: heap use-after-free in libxslt caused by atype corruption in xmlattrptr

    A flaw was found in libxslt where the attribute type, atype, flags are modified in a way that corrupts internal memory management. When XSLT functions, such as the key() process, result in tree fragments, this corruption prevents the proper cleanup of ID attr…

  • High 7.8

    ftrace: Fix UAF when lookup kallsym after ftrace disabled

    In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix UAF when lookup kallsym after ftrace disabled The following issue happens with a buggy module: BUG: unable to handle page fault for address: ffffffffc05d0218 PGD 1bd66f067 P4D 1bd…

  • High 8.3

    wifi: mt76: mt7996: drop fragments with multicast or broadcast RA

    In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: drop fragments with multicast or broadcast RA IEEE 802.11 fragmentation can only be applied to unicast frames. Therefore, drop fragments with multicast or broadcast RA. Th…

  • High 7.0

    software node: Correct a OOB check in software_node_get_reference_args()

    In the Linux kernel, the following vulnerability has been resolved: software node: Correct a OOB check in software_node_get_reference_args() software_node_get_reference_args() wants to get @index-th element, so the property value requires at least '(index + 1…

  • High 7.8

    eth: fbnic: avoid double free when failing to DMA-map FW msg

    In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: avoid double free when failing to DMA-map FW msg The semantics are that caller of fbnic_mbx_map_msg() retains the ownership of the message on error. All existing callers dutifully…

  • High 7.8

    powerpc/bpf: fix JIT code size calculation of bpf trampoline

    In the Linux kernel, the following vulnerability has been resolved: powerpc/bpf: fix JIT code size calculation of bpf trampoline arch_bpf_trampoline_size() provides JIT size of the BPF trampoline before the buffer for JIT'ing it is allocated. The total number…

  • High 7.8

    f2fs: fix to bail out in get_new_segment()

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to bail out in get_new_segment() ------------[ cut here ]------------ WARNING: CPU: 3 PID: 579 at fs/f2fs/segment.c:2832 new_curseg+0x5e8/0x6dc pc : new_curseg+0x5e8/0x6dc Call trac…

  • High 7.5

    net: ethernet: cortina: Use TOE/TSO on all TCP

    In the Linux kernel, the following vulnerability has been resolved: net: ethernet: cortina: Use TOE/TSO on all TCP It is desireable to push the hardware accelerator to also process non-segmented TCP frames: we pass the skb->len to the "TOE/TSO" offloader and …

  • High 7.8

    smb: Log an error when close_all_cached_dirs fails

    In the Linux kernel, the following vulnerability has been resolved: smb: Log an error when close_all_cached_dirs fails Under low-memory conditions, close_all_cached_dirs() can't move the dentries to a separate list to dput() them once the locks are dropped. T…

  • High 7.8

    wifi: ath12k: Fix buffer overflow in debugfs

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Fix buffer overflow in debugfs If the user tries to write more than 32 bytes then it results in memory corruption. Fortunately, this is debugfs so it's limited to root users.

  • High 7.3

    virtio-pci: Fix result size returned for the admin command completion

    In the Linux kernel, the following vulnerability has been resolved: virtio-pci: Fix result size returned for the admin command completion The result size returned by virtio_pci_admin_dev_parts_get() is 8 bytes larger than the actual result data size. This occ…

  • High 7.8

    fs/fhandle.c: fix a race in call of has_locked_children()

    In the Linux kernel, the following vulnerability has been resolved: fs/fhandle.c: fix a race in call of has_locked_children() may_decode_fh() is calling has_locked_children() while holding no locks. That's an oopsable race... The rest of the callers are safe …

  • High 7.8

    Bluetooth: eir: Fix possible crashes on eir_create_adv_data

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: eir: Fix possible crashes on eir_create_adv_data eir_create_adv_data may attempt to add EIR_FLAGS and EIR_TX_POWER without checking if that would fit.

  • High 8.8

    wifi: ath11k: fix node corruption in ar->arvifs list

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix node corruption in ar->arvifs list In current WLAN recovery code flow, ath11k_core_halt() only reinitializes the "arvifs" list head. This will cause the list node immediatel…

  • High 8.8

    wifi: ath12k: fix invalid access to memory

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix invalid access to memory In ath12k_dp_rx_msdu_coalesce(), rxcb is fetched from skb and boolean is_continuation is part of rxcb. Currently, after freeing the skb, the rxcb->i…

  • High 8.8

    wifi: ath12k: Prevent sending WMI commands to firmware during firmware crash

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Prevent sending WMI commands to firmware during firmware crash Currently, we encounter the following kernel call trace when a firmware crash occurs. This happens because the hos…

  • High 8.8

    wifi: ath12k: fix node corruption in ar->arvifs list

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix node corruption in ar->arvifs list In current WLAN recovery code flow, ath12k_core_halt() only reinitializes the "arvifs" list head. This will cause the list node immediatel…