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Linux

20,703 known vulnerabilities.

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  • High 7.8

    net: mpls: clear inner_protocol when the last label is popped

    In the Linux kernel, the following vulnerability has been resolved: net: mpls: clear inner_protocol when the last label is popped skb_mpls_push() records the pre-encapsulation network header once, gated on !skb->inner_protocol. skb_mpls_pop() never clears tha…

  • High 7.8

    net: openvswitch: fix use-after-free of the flow table mask array

    In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix use-after-free of the flow table mask array tbl_mask_array_realloc() retires the old mask_array before it stops being reachable: old = ovsl_dereference(tbl->mask_array);…

  • High 7.0

    netfilter: cttimeout: prevent UAF during module unload

    In the Linux kernel, the following vulnerability has been resolved: netfilter: cttimeout: prevent UAF during module unload nf_ct_set_timeout() protects the timeout hook dereference and policy lookup with rcu_read_lock(). cttimeout_exit(), however, unregisters…

  • High 7.0

    netfilter: nf_log: unregister loggers before per-net teardown

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_log: unregister loggers before per-net teardown nf_log_syslog and nfnetlink_log unregister their per-network namespace operations before unregistering their global logger backen…

  • High 7.8

    inet: frags: invalidate queues before flushing them

    In the Linux kernel, the following vulnerability has been resolved: inet: frags: invalidate queues before flushing them fqdir_pre_exit() flushes the skbs from incomplete queues without changing their completion state. A fragment which found a queue before hig…

  • High 7.5

    mac802154: fix use-after-free of sdata via queued RX frames

    In the Linux kernel, the following vulnerability has been resolved: mac802154: fix use-after-free of sdata via queued RX frames The RX softirq producer ieee802154_subif_frame() queues received beacon and MAC-command frames onto local->rx_beacon_list / rx_mac_…

  • High 7.8

    landlock: Fix use-after-free of the source's parent directory

    In the Linux kernel, the following vulnerability has been resolved: landlock: Fix use-after-free of the source's parent directory current_check_refer_path() reads old_dentry->d_parent without holding a reference nor a lock on it, and then dereferences it in c…

  • High 7.0

    s390/crypto: Fix wrong return code to engine in asynch callbacks

    In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix wrong return code to engine in asynch callbacks When crypto_finalize_hash_request() or crypto_finalize_skcipher_request() explicitly completes a request, the do_one_request c…

  • High 7.8

    afs: Fix incorrect free in candidate cleanup in afs_lookup_server()

    In the Linux kernel, the following vulnerability has been resolved: afs: Fix incorrect free in candidate cleanup in afs_lookup_server() Fix afs_lookup_server() to not free an existing server's endpoint state when cleaning up a candidate server. The candidate …

  • High 7.5

    afs: Clear stale peer app data after address list changes

    In the Linux kernel, the following vulnerability has been resolved: afs: Clear stale peer app data after address list changes afs_fs_probe_fileserver() fetches the current endpoint state under server->fs_lock, but leaves old_alist as NULL. Consequently, afs_s…

  • High 7.8

    media: rkvdec: bound HEVC tile loops and PPS id to the array capacity

    In the Linux kernel, the following vulnerability has been resolved: media: rkvdec: bound HEVC tile loops and PPS id to the array capacity compute_tiles_uniform() and compute_tiles_non_uniform() loop over num_tile_columns_minus1 + 1 / num_tile_rows_minus1 + 1 …

  • High 7.8

    media: mediatek: vcodec: bound AV1 tile-start copy to the array capacity

    In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: bound AV1 tile-start copy to the array capacity vdec_av1_slice_setup_tile() copies tile_cols + 1 / tile_rows + 1 entries into mi_col_starts[] / mi_row_starts[] from t…

  • High 7.8

    media: verisilicon: rockchip: guard VPU981 AV1 divisor and tile buffer

    In the Linux kernel, the following vulnerability has been resolved: media: verisilicon: rockchip: guard VPU981 AV1 divisor and tile buffer rockchip_vpu981_av1_dec_set_tile_info() divides context_update_tile_id by tile_info->tile_cols and writes one descriptor…

  • High 7.8

    media: verisilicon: rockchip: reject AV1 frames exceeding the tile capacity

    In the Linux kernel, the following vulnerability has been resolved: media: verisilicon: rockchip: reject AV1 frames exceeding the tile capacity rockchip_vpu981_av1_dec_set_tile_info() indexes the tile group entry array by tile1 * tile_cols + tile0, reading up…

  • High 7.8

    media: v4l2-ctrls: validate HEVC tile counts

    In the Linux kernel, the following vulnerability has been resolved: media: v4l2-ctrls: validate HEVC tile counts The stateless HEVC decoders read num_tile_columns_minus1 + 1 entries from column_width_minus1[] and num_tile_rows_minus1 + 1 from row_height_minus…

  • High 7.8

    media: v4l2-ctrls: validate AV1 tile counts

    In the Linux kernel, the following vulnerability has been resolved: media: v4l2-ctrls: validate AV1 tile counts The stateless AV1 decoders use tile_info.tile_cols and tile_rows as loop bounds and as indices into the mi_*_starts[] and *_in_sbs_minus_1[] arrays…

  • High 8.1

    bnxt_en: Handle buffer allocation failure in bnxt_rx_ring_reset()

    In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Handle buffer allocation failure in bnxt_rx_ring_reset() bnxt_rx_ring_reset() frees the ring buffers and then reallocates them, ignoring the result. bnxt_alloc_one_rx_ring() can fail…

  • High 8.1

    bnxt_en: Bound SW TPA IDs to prevent crashes

    In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Bound SW TPA IDs to prevent crashes FW supports up to 1024 concurrent TPAs, so the FW TPA ID is in the range 0..1023 (see commit ec4d8e7cf024 ("bnxt_en: Add TPA ID mapping logic for …

  • High 7.5

    smb: client: pin DFS superblock in iterator callback

    In the Linux kernel, the following vulnerability has been resolved: smb: client: pin DFS superblock in iterator callback tcon_super_cb() stores a raw superblock pointer, but __cifs_get_super() takes its active reference only after iterate_supers_type() has dr…

  • High 7.5

    smb: client: avoid leaking refcount in cifs_queue_oplock_break()

    In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid leaking refcount in cifs_queue_oplock_break() cifs_queue_oplock_break() unconditionally takes a reference on the target file before queueing cifs_oplock_break(). Only that …

  • High 8.8
    CVE-2026-97555 Public exploit

    smb: client: fix heap overflow in DACL owner/group rewrite

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix heap overflow in DACL owner/group rewrite When id_mode_to_cifs_acl rewrites an existing DACL, it allocates a buffer sized according to the on-disk DACL length reported by dac…

  • High 7.8

    xfs: fix the rtrmap and rtrefcount _maxlevels_ondisk functions

    In the Linux kernel, the following vulnerability has been resolved: xfs: fix the rtrmap and rtrefcount _maxlevels_ondisk functions The _maxlevels_ondisk functions are used to compute the size of in-memory btree cursors for each btree type. Unfortunately, LOLL…

  • High 7.5

    scsi: qla2xxx: Fix use-after-free of qpair work on queue teardown

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix use-after-free of qpair work on queue teardown The response queue MSI-X handler qla2xxx_msix_rsp_q() schedules qla_do_work() via queue_work(ha->wq, &qpair->q_work). qla_do_…

  • High 7.5

    scsi: qla2xxx: Skip vport under deletion in report ID acquisition

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Skip vport under deletion in report ID acquisition qla24xx_report_id_acquisition() format-1 handling walks ha->vp_list under vport_slock, takes a vref_count on the matching vpo…

  • High 8.8

    scsi: qla2xxx: Unlink NVMe unsol ctx before freeing on LS reject error

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Unlink NVMe unsol ctx before freeing on LS reject error qla_nvme_xmt_ls_rsp() obtains uctx, which was linked into fcport->unsol_ctx_head by qla2xxx_process_purls_iocb() and is …

  • High 8.8

    scsi: qla2xxx: Serialize NVMe unsol ctx list with a per-fcport lock

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Serialize NVMe unsol ctx list with a per-fcport lock The fcport->unsol_ctx_head list is modified from several contexts without a common lock. Entries are added in qla2xxx_proce…

  • High 8.2

    x86/mm/pat: Allocate split page tables as kernel page tables

    In the Linux kernel, the following vulnerability has been resolved: x86/mm/pat: Allocate split page tables as kernel page tables A PTE is allocated directly without going through the standard page table allocation routines (such as pte_alloc_one_kernel()) whe…

  • High 7.5

    mptcp: close race between scheduler and state change

    In the Linux kernel, the following vulnerability has been resolved: mptcp: close race between scheduler and state change The mptcp scheduler may race with subflow sockets state change: data transmission on the selected socket may fail and a later release coul…

  • High 7.5

    mptcp: avoid unneeded actions on subflow reset

    In the Linux kernel, the following vulnerability has been resolved: mptcp: avoid unneeded actions on subflow reset Once in a blue moon, the mptcp receive path can recursively call mptcp_data_ready() via state change under unlucky error conditions, and then tr…

  • High 7.1

    gfs2: move quota_init qc iterator increment

    In the Linux kernel, the following vulnerability has been resolved: gfs2: move quota_init qc iterator increment Move qc++ from the loop body into the for-loop increment expression in gfs2_quota_init(). This keeps iterator progression explicit and avoids mixin…

  • High 7.8

    media: chips-media: wave5: Release m2m_ctx after Instance Removed from List

    In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Release m2m_ctx after Instance Removed from List Possible use after free if IRQ thread manages to obtain spinlock between m2m_ctx release and wave5_release function…

  • High 8.8

    thunderbolt: Keep XDomain reference during the lifetime of a service

    In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Keep XDomain reference during the lifetime of a service This is needed because we release the service ID in tb_service_release() and the ID array is owned by the parent XDomain.

  • High 7.5

    thunderbolt: Set tb->root_switch to NULL when domain is stopped

    In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Set tb->root_switch to NULL when domain is stopped Similarly what we do with the firmware connection manager. This makes tb_xdp_handle_request() return error to the remote host. …

  • High 7.8

    drm/amdkfd: Check bounds for allocate_sdma_queue restore_sdma_id

    In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check bounds for allocate_sdma_queue restore_sdma_id allocate_sdma_queue has an option where the sdma queue id can be specified (used by CRIU). We weren't bounds-checking that val…

  • High 7.1

    drm/amdkfd: Fix OOB memory exposure in get_wave_state()

    In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix OOB memory exposure in get_wave_state() The get_wave_state() function for v9 trusts cp_hqd_cntl_stack_size and cp_hqd_cntl_stack_offset values read directly from the MQD, whic…

  • High 7.8

    virt: acrn: Fix irqfd use-after-free during eventfd shutdown

    In the Linux kernel, the following vulnerability has been resolved: virt: acrn: Fix irqfd use-after-free during eventfd shutdown acrn_irqfd_deassign() and the eventfd EPOLLHUP wakeup can race and free the same struct hsm_irqfd: CPU0 CPU1 ---- ---- eventfd_rel…

  • High 7.4

    wifi: iwlwifi: mld: purge async notifications upon nic error

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: purge async notifications upon nic error This fixes a kernel panic in reconfig failure: 1. we have a BSS connection 2. we have a NAN connection 3. FW error occurs 4. recon…

  • High 8.4

    ACPICA: Fix use-after-free in acpi_ds_terminate_control_method()

    In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fix use-after-free in acpi_ds_terminate_control_method() Fix use-after-free issue in acpi_ds_terminate_control_method() by clearing references to method locals and arguments.

  • High 7.7

    ACPICA: add boundary checks in acpi_ps_get_next_field()

    In the Linux kernel, the following vulnerability has been resolved: ACPICA: add boundary checks in acpi_ps_get_next_field() Add boundary checks in acpi_ps_get_next_field() to prevent out-of-bounds access.

  • High 8.4

    ACPICA: Prevent adding invalid references

    In the Linux kernel, the following vulnerability has been resolved: ACPICA: Prevent adding invalid references Prevent adding references for local, argument, and debug objects in acpi_ut_copy_simple_object().