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Linux

20,714 known vulnerabilities.

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  • High 7.1

    Udisks: missing authorization check allows unprivileged users to restore luks headers via udisks d-bus api

    A flaw was found in the udisks storage management daemon that exposes a privileged D-Bus API for restoring LUKS encryption headers without proper authorization checks. The issue allows a local unprivileged user to instruct the root-owned udisks daemon to over…

  • High 7.3

    NVIDIA Cumulus Linux and NVOS products contain a vulnerability in the NVUE interface, where a low-privileged user could…

  • High 8.0

    NVIDIA Cumulus Linux and NVOS products contain a vulnerability in the NVUE interface, where a low-privileged user could…

  • High 8.0

    NVIDIA Cumulus Linux and NVOS products contain a vulnerability in the NVUE interface, where a low-privileged user could…

  • High 7.2

    389-ds-base: 389-ds-base: remote code execution and denial of service via heap buffer overflow

    A flaw was found in the 389-ds-base server. A heap buffer overflow vulnerability exists in the `schema_attr_enum_callback` function within the `schema.c` file. This occurs because the code incorrectly calculates the buffer size by summing alias string lengths…

  • High 7.7

    Kernel: secure boot does not automatically enable kernel lockdown

    The Linux Kernel lockdown mode for kernel versions starting on 6.12 and above for Fedora Linux has the lockdown mode disabled without any warning. This may allow an attacker to gain access to sensitive information such kernel memory mappings, I/O ports, BPF a…

  • High 8.8

    smb: client: split cached_fid bitfields to avoid shared-byte RMW races

    In the Linux kernel, the following vulnerability has been resolved: smb: client: split cached_fid bitfields to avoid shared-byte RMW races is_open, has_lease and on_list are stored in the same bitfield byte in struct cached_fid but are updated in different co…

  • High 7.8

    drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to memory alloc/free

    In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to memory alloc/free Exynos Virtual Display driver performs memory alloc/free operations without lock p…

  • High 8.8

    ksmbd: add chann_lock to protect ksmbd_chann_list xarray

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: add chann_lock to protect ksmbd_chann_list xarray ksmbd_chann_list xarray lacks synchronization, allowing use-after-free in multi-channel sessions (between lookup_chann_list() and ksmb…

  • High 7.8

    sched/mmcid: Don't assume CID is CPU owned on mode switch

    In the Linux kernel, the following vulnerability has been resolved: sched/mmcid: Don't assume CID is CPU owned on mode switch Shinichiro reported a KASAN UAF, which is actually an out of bounds access in the MMCID management code. CPU0 CPU1 T1 runs in userspa…

  • High 7.8

    erofs: fix UAF issue for file-backed mounts w/ directio option

    In the Linux kernel, the following vulnerability has been resolved: erofs: fix UAF issue for file-backed mounts w/ directio option [ 9.269940][ T3222] Call trace: [ 9.269948][ T3222] ext4_file_read_iter+0xac/0x108 [ 9.269979][ T3222] vfs_iocb_iter_read+0xac/0…

  • High 7.8

    crypto: omap - Allocate OMAP_CRYPTO_FORCE_COPY scatterlists correctly

    In the Linux kernel, the following vulnerability has been resolved: crypto: omap - Allocate OMAP_CRYPTO_FORCE_COPY scatterlists correctly The existing allocation of scatterlists in omap_crypto_copy_sg_lists() was allocating an array of scatterlist pointers, n…

  • High 7.5

    scsi: qla2xxx: Validate sp before freeing associated memory

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Validate sp before freeing associated memory System crash with the following signature [154563.214890] nvme nvme2: NVME-FC{1}: controller connect complete [154564.169363] qla2x…

  • High 8.8

    wifi: rtl8xxxu: fix slab-out-of-bounds in rtl8xxxu_sta_add

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: fix slab-out-of-bounds in rtl8xxxu_sta_add The driver does not set hw->sta_data_size, which causes mac80211 to allocate insufficient space for driver private station data in _…

  • High 7.1

    IBM Db2 XML External Entity Reference

    IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to ex…

  • High 7.8

    macvlan: fix error recovery in macvlan_common_newlink()

    In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlan_common_newlink() valis provided a nice repro to crash the kernel: ip link add p1 type veth peer p2 ip link set address 00:00:00:00:00:20 dev p1 ip link …

  • High 7.1

    net/sched: cls_u32: use skb_header_pointer_careful()

    In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_u32: use skb_header_pointer_careful() skb_header_pointer() does not fully validate negative @offset values. Use skb_header_pointer_careful() instead. GangMin Kim provided a rep…

  • High 7.8

    KVM: Don't clobber irqfd routing type when deassigning irqfd

    In the Linux kernel, the following vulnerability has been resolved: KVM: Don't clobber irqfd routing type when deassigning irqfd When deassigning a KVM_IRQFD, don't clobber the irqfd's copy of the IRQ's routing entry as doing so breaks kvm_arch_irq_bypass_del…

  • High 7.0

    cgroup/dmem: avoid pool UAF

    In the Linux kernel, the following vulnerability has been resolved: cgroup/dmem: avoid pool UAF An UAF issue was observed: BUG: KASAN: slab-use-after-free in page_counter_uncharge+0x65/0x150 Write of size 8 at addr ffff888106715440 by task insmod/527 CPU: 4 U…

  • High 8.8

    scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()

    In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count() In iscsit_dec_session_usage_count(), the function calls complete() while holding the sess->session_usage_lock. Simi…

  • High 7.8

    linkwatch: use __dev_put() in callers to prevent UAF

    In the Linux kernel, the following vulnerability has been resolved: linkwatch: use __dev_put() in callers to prevent UAF After linkwatch_do_dev() calls __dev_put() to release the linkwatch reference, the device refcount may drop to 1. At this point, netdev_ru…

  • High 7.8

    ALSA: aloop: Fix racy access at PCM trigger

    In the Linux kernel, the following vulnerability has been resolved: ALSA: aloop: Fix racy access at PCM trigger The PCM trigger callback of aloop driver tries to check the PCM state and stop the stream of the tied substream in the corresponding cable. Since b…

  • High 7.8

    wifi: iwlwifi: mld: cancel mlo_scan_start_wk

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: cancel mlo_scan_start_wk mlo_scan_start_wk is not canceled on disconnection. In fact, it is not canceled anywhere except in the restart cleanup, where we don't really have…

  • High 7.8

    binder: fix UAF in binder_netlink_report()

    In the Linux kernel, the following vulnerability has been resolved: binder: fix UAF in binder_netlink_report() Oneway transactions sent to frozen targets via binder_proc_transaction() return a BR_TRANSACTION_PENDING_FROZEN error but they are still treated as …

  • High 7.0

    dpaa2-switch: add bounds check for if_id in IRQ handler

    In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: add bounds check for if_id in IRQ handler The IRQ handler extracts if_id from the upper 16 bits of the hardware status register and uses it to index into ethsw->ports[] without …

  • High 7.8

    HID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report()

    In the Linux kernel, the following vulnerability has been resolved: HID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report() `i2c_hid_xfer` is used to read `recv_len + sizeof(__le16)` bytes of data into `ihid->rawbuf`. The former can come from the …

  • High 7.0

    net: cpsw: Execute ndo_set_rx_mode callback in a work queue

    In the Linux kernel, the following vulnerability has been resolved: net: cpsw: Execute ndo_set_rx_mode callback in a work queue Commit 1767bb2d47b7 ("ipv6: mcast: Don't hold RTNL for IPV6_ADD_MEMBERSHIP and MCAST_JOIN_GROUP.") removed the RTNL lock for IPV6_A…

  • High 7.8

    dmaengine: mmp_pdma: Fix race condition in mmp_pdma_residue()

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: mmp_pdma: Fix race condition in mmp_pdma_residue() Add proper locking in mmp_pdma_residue() to prevent use-after-free when accessing descriptor list and descriptor contents. The ra…

  • High 7.5

    smb/server: fix refcount leak in parse_durable_handle_context()

    In the Linux kernel, the following vulnerability has been resolved: smb/server: fix refcount leak in parse_durable_handle_context() When the command is a replay operation and -ENOEXEC is returned, the refcount of ksmbd_file must be released.

  • High 8.4

    net: wwan: t7xx: fix potential skb->frags overflow in RX path

    In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: fix potential skb->frags overflow in RX path When receiving data in the DPMAIF RX path, the t7xx_dpmaif_set_frag_to_skb() function adds page fragments to an skb without check…

  • High 7.8

    bonding: fix use-after-free due to enslave fail after slave array update

    In the Linux kernel, the following vulnerability has been resolved: bonding: fix use-after-free due to enslave fail after slave array update Fix a use-after-free which happens due to enslave failure after the new slave has been added to the array. Since the n…

  • High 7.8

    mptcp: fix race in mptcp_pm_nl_flush_addrs_doit()

    In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race in mptcp_pm_nl_flush_addrs_doit() syzbot and Eulgyu Kim reported crashes in mptcp_pm_nl_get_local_id() and/or mptcp_pm_nl_is_backup() Root cause is list_splice_init() in mptcp…

  • High 7.3

    mm/shmem, swap: fix race of truncate and swap entry split

    In the Linux kernel, the following vulnerability has been resolved: mm/shmem, swap: fix race of truncate and swap entry split The helper for shmem swap freeing is not handling the order of swap entries correctly. It uses xa_cmpxchg_irq to erase the swap entry…

  • High 7.5

    nvmet: fix race in nvmet_bio_done() leading to NULL pointer dereference

    In the Linux kernel, the following vulnerability has been resolved: nvmet: fix race in nvmet_bio_done() leading to NULL pointer dereference There is a race condition in nvmet_bio_done() that can cause a NULL pointer dereference in blk_cgroup_bio_start(): 1. n…

  • High 8.8

    iommu/sva: invalidate stale IOTLB entries for kernel address space

    In the Linux kernel, the following vulnerability has been resolved: iommu/sva: invalidate stale IOTLB entries for kernel address space Introduce a new IOMMU interface to flush IOTLB paging cache entries for the CPU kernel address space. This interface is invo…

  • High 7.5

    netfilter: nf_conncount: update last_gc only when GC has been performed

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conncount: update last_gc only when GC has been performed Currently last_gc is being updated everytime a new connection is tracked, that means that it is updated even if a GC wa…

  • High 7.1

    netfs: Fix early read unlock of page with EOF in middle

    In the Linux kernel, the following vulnerability has been resolved: netfs: Fix early read unlock of page with EOF in middle The read result collection for buffered reads seems to run ahead of the completion of subrequests under some circumstances, as can be s…

  • High 7.5

    libceph: reset sparse-read state in osd_fault()

    In the Linux kernel, the following vulnerability has been resolved: libceph: reset sparse-read state in osd_fault() When a fault occurs, the connection is abandoned, reestablished, and any pending operations are retried. The OSD client tracks the progress of …

  • High 7.8
    CVE-2026-23111 Public exploit

    netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate() nft_map_catchall_activate() has an inverted element activity check compared to its non-catchall counterpart nft…

  • High 7.8

    Dell iDRAC Service Module (iSM) for Windows, versions prior to 6.0.3.1, and Dell iDRAC Service Module (iSM) for Linux, …