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Linux

20,703 known vulnerabilities.

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  • High 8.4

    ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)

    In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op) Add overflow check for Index + Length to prevent integer overflow when calculating the truncation length. This prevents nega…

  • High 8.4

    ACPICA: validate handler object type in two places

    In the Linux kernel, the following vulnerability has been resolved: ACPICA: validate handler object type in two places ACPICA: validate handler object type in acpi_ev_has_default_handler() and acpi_ev_find_region_handler().

  • High 7.7

    ACPICA: Add validation for node in acpi_ns_build_normalized_path()

    In the Linux kernel, the following vulnerability has been resolved: ACPICA: Add validation for node in acpi_ns_build_normalized_path() Add validation for node in acpi_ns_build_normalized_path() to prevent use-after-free vulnerabilities.

  • High 7.7

    ACPICA: Enhance buffer validation in acpi_ut_walk_aml_resources()

    In the Linux kernel, the following vulnerability has been resolved: ACPICA: Enhance buffer validation in acpi_ut_walk_aml_resources() Enhance buffer validation in acpi_ut_walk_aml_resources() to prevent buffer overflows.

  • High 7.7

    ACPICA: add boundary checks in two places

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

  • High 8.8

    wifi: ath11k: fix invalid data access in ath11k_dp_rx_h_undecap_nwifi

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix invalid data access in ath11k_dp_rx_h_undecap_nwifi In certain cases, hardware might provide packets with a length greater than the maximum native Wi-Fi header length. This …

  • High 7.1

    fs/ntfs3: validate index entry key bounds

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate index entry key bounds [BUG] A malformed NTFS directory index entry can advertise a key_size larger than the bytes actually present in its NTFS_DE payload. Directory lookup…

  • High 7.1

    ntfs3: fix out-of-bounds read in ntfs_dir_emit() and hdr_find_e()

    In the Linux kernel, the following vulnerability has been resolved: ntfs3: fix out-of-bounds read in ntfs_dir_emit() and hdr_find_e() The bounds check in ntfs_dir_emit() compares fname->name_len (a character count) against e->size (a byte count) without accou…

  • High 8.2

    nvme: validate FDP configuration descriptor sizes

    In the Linux kernel, the following vulnerability has been resolved: nvme: validate FDP configuration descriptor sizes Validate descriptor sizes while walking the FDP configurations log so dsze == 0 or a descriptor past the log end cannot cause unbounded itera…

  • High 7.8

    drm/amdkfd: fix UAF race in destroy_queue_cpsch

    In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix UAF race in destroy_queue_cpsch wait_on_destroy_queue() drops locks to wait for queue resume, allowing a concurrent destroy to free the queue. Use is_being_destroyed flag to s…

  • High 7.7

    drm/amdgpu: harden FRU PIA parsing with bounded helpers

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: harden FRU PIA parsing with bounded helpers Replace the open-coded TLV walk with fru_pia_advance() and fru_pia_copy_field() helpers that bound every read by the actual EEPROM data…

  • High 7.8

    RDMA/umem: Be careful about boundary conditions in ib_umem_find_best_pgsz()

    In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Be careful about boundary conditions in ib_umem_find_best_pgsz() Several corner cases, especially important on 32 bits: - umem->iova is u64, the function argument should pass in u6…

  • High 7.5

    netfilter: nf_conntrack: use get_unaligned_be32() in tcp_sack()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack: use get_unaligned_be32() in tcp_sack() The timestamp-only fast path dereferences the option stream as *(__be32 *)ptr, which assumes 4-byte alignment that the TCP opti…

  • High 7.8

    btrfs: tree-checker: validate names in ROOT_REF and ROOT_BACKREF

    In the Linux kernel, the following vulnerability has been resolved: btrfs: tree-checker: validate names in ROOT_REF and ROOT_BACKREF ROOT_REF and ROOT_BACKREF items contain a struct btrfs_root_ref followed by the subvolume name. Several readers assume that th…

  • High 8.8

    nvme-fc: Do not cancel requests in io target before it is initialized

    In the Linux kernel, the following vulnerability has been resolved: nvme-fc: Do not cancel requests in io target before it is initialized A new nvme-fc controller in CONNECTING state sees admin request timeout schedules ctrl->ioerr_work to abort inflight requ…

  • High 7.5

    net: stmmac: xgmac2: disable RBUE in default RX interrupt mask

    In the Linux kernel, the following vulnerability has been resolved: net: stmmac: xgmac2: disable RBUE in default RX interrupt mask Enabling the RX Buffer Unavailable (RBUE) interrupt is counterproductive and can trigger a MAC interrupt storm under heavy RX pr…

  • High 8.4

    virtio-fs: avoid double-free on failed queue setup

    In the Linux kernel, the following vulnerability has been resolved: virtio-fs: avoid double-free on failed queue setup virtio_fs_setup_vqs() allocates fs->vqs and fs->mq_map before calling virtio_find_vqs(). If virtio_find_vqs() fails, the error path frees bo…

  • High 7.5

    HID: hidpp: fix potential UAF in hidpp_connect_event()

    In the Linux kernel, the following vulnerability has been resolved: HID: hidpp: fix potential UAF in hidpp_connect_event() If input_register_device() fails, we call input_free_device(), but keep stale pointer to the old device in hidpp->input, which could pot…

  • High 7.8

    perf: Fix addr_filter_ranges lifetime

    In the Linux kernel, the following vulnerability has been resolved: perf: Fix addr_filter_ranges lifetime Lee Jia Jie reported that since event::addr_filter_ranges is used under RCU, it should be RCU freed.

  • High 7.1

    f2fs: validate inline dentry name lengths before conversion

    In the Linux kernel, the following vulnerability has been resolved: f2fs: validate inline dentry name lengths before conversion Inline dentry conversion copies names out of the inline dentry area before checking that each recorded name length fits in the avai…

  • High 7.8

    btrfs: tree-checker: validate INODE_REF's namelen

    In the Linux kernel, the following vulnerability has been resolved: btrfs: tree-checker: validate INODE_REF's namelen [BUG] A crafted btrfs image can trigger the following crash: BUG: unable to handle page fault for address: ffffd1dc42884000 #PF: supervisor w…

  • High 7.0

    cachefiles: Fix double fput

    In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix double fput Fix a double fput() in error handling in cachefiles_create_tmpfile().

  • High 8.8

    wifi: cfg80211: validate assoc response length before status and IE access

    In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate assoc response length before status and IE access cfg80211_rx_assoc_resp() initialises the status and response-IE fields of cfg80211_connect_resp_params from the mana…

  • High 7.0

    smb/client: zero-initialize stack-allocated cifs_open_info_data

    In the Linux kernel, the following vulnerability has been resolved: smb/client: zero-initialize stack-allocated cifs_open_info_data Stack-allocated cifs_open_info_data may contain random data. This can make some fields have wrong value if they are not set lat…

  • High 8.8

    wifi: iwlwifi: mvm: validate sta_id in BA window status notif

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: validate sta_id in BA window status notif BA_WINDOW_STATUS_NOTIFICATION_ID extracts a 5-bit sta_id from the firmware notification and uses it to index fw_id_to_mac_id[] wi…

  • High 7.8

    btrfs: fix reloc root cleanup in merge_reloc_roots()

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reloc root cleanup in merge_reloc_roots() If the root we got has zero root refs in its root item, we are resetting the root's ->reloc_root without using barriers like we do everywh…

  • High 7.0

    wifi: iwlwifi: pcie: null RX pointers after free

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: pcie: null RX pointers after free When iwl_pcie_tx_init() fails after RX init, nic init unwinds via iwl_pcie_rx_free(). The freed RX members stayed non-NULL on the live transpo…

  • High 8.8

    wifi: iwlwifi: mvm: validate TX_CMD response layout

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: validate TX_CMD response layout TX_CMD parsing uses frame_count to walk status entries and then read the trailing SCD SSN. Make the minimum-length check follow that exact …

  • High 8.8

    wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif mvmsta->tid_data was indexed by the TFD loop counter 'i' instead of the actual TID value 'tid'. This writes lq_color into a r…

  • High 8.1

    smb: client: bound dirent name against end of SMB response in cifs_filldir

    In the Linux kernel, the following vulnerability has been resolved: smb: client: bound dirent name against end of SMB response in cifs_filldir cifs_filldir() copies the entry name out of an SMB1 TRANS2_FIND_FIRST / FIND_NEXT response using a length (de.namele…

  • High 8.1

    ksmbd: preserve VFS inherited POSIX ACL mask

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: preserve VFS inherited POSIX ACL mask The VFS initializes a child's POSIX ACL from the parent's default ACL and the requested creation mode. Do not mutate the parent ACL or overwrite t…

  • High 7.8

    vhost-scsi: flush backend after device ioctls

    In the Linux kernel, the following vulnerability has been resolved: vhost-scsi: flush backend after device ioctls vhost-scsi translates guest response descriptors into userspace iovecs when commands are submitted. Target-core completes those commands asynchro…

  • High 7.8

    netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state sashiko reports: "nfnl_log_net_exit() calls nf_log_unset(), which clears the logger pointer without an RCU grac…

  • High 7.8

    i2c: smbus: reject oversized block transfers in the common path

    In the Linux kernel, the following vulnerability has been resolved: i2c: smbus: reject oversized block transfers in the common path The SMBus block transfer length data->block[0] is validated in i2c_smbus_xfer_emulated() but that check runs too late for trace…

  • High 8.8

    drm/pagemap: dma-unmap pages before handling migration errors

    In the Linux kernel, the following vulnerability has been resolved: drm/pagemap: dma-unmap pages before handling migration errors drm_pagemap_migrate_unmap_pages() relies on the pages array to determine which pages require DMA unmapping. However, drm_pagemap_…

  • High 8.1

    ksmbd: fix maximum allowed access checks

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix maximum allowed access checks The DACL permission check looks for an ACE matching the current user and falls back to the Everyone ACE. It does not consider an Authenticated Users A…

  • High 8.8

    greybus: audio: bound the topology section sizes against the fetched size

    In the Linux kernel, the following vulnerability has been resolved: greybus: audio: bound the topology section sizes against the fetched size gb_audio_gb_get_topology() fetches a topology blob of a module-supplied size, and gbaudio_tplg_parse_data() then walk…

  • High 7.8

    RDMA/bnxt_re: Validate udata before executing commands

    In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Validate udata before executing commands The destroy callbacks currently zero the udata output after tearing down driver resources. If the userspace access fails, uverbs preserv…

  • High 7.7

    PCI/pwrctrl: tc9563: Fix parsing the integrated Ethernet MAC Endpoint node

    In the Linux kernel, the following vulnerability has been resolved: PCI/pwrctrl: tc9563: Fix parsing the integrated Ethernet MAC Endpoint node DSP3 has an integrated Ethernet MAC Endpoint which has its own set of config registers for configuring settings such…

  • High 7.8

    md/raid5-ppl: fix use-after-free in ppl_do_flush()

    In the Linux kernel, the following vulnerability has been resolved: md/raid5-ppl: fix use-after-free in ppl_do_flush() The loop in ppl_do_flush() continues iterating after calling ppl_io_unit_finished(), touching io->pending_flushes and leading to a use-after…