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linux

17,836 known vulnerabilities.

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  • High 7.5

    NFSD: Prevent NULL dereference in nfsd4_process_cb_update()

    In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent NULL dereference in nfsd4_process_cb_update() @ses is initialized to NULL. If __nfsd4_find_backchannel() finds no available backchannel session, setup_callback_client() will try…

  • High 7.8

    nfsd: release svc_expkey/svc_export with rcu_work

    In the Linux kernel, the following vulnerability has been resolved: nfsd: release svc_expkey/svc_export with rcu_work The last reference for `cache_head` can be reduced to zero in `c_show` and `e_show`(using `rcu_read_lock` and `rcu_read_unlock`). Consequentl…

  • High 7.8

    vfio/pci: Properly hide first-in-list PCIe extended capability

    In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Properly hide first-in-list PCIe extended capability There are cases where a PCIe extended capability should be hidden from the user. For example, an unknown capability (i.e., capab…

  • High 7.8

    net: usb: lan78xx: Fix double free issue with interrupt buffer allocation

    In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: Fix double free issue with interrupt buffer allocation In lan78xx_probe(), the buffer `buf` was being freed twice: once implicitly through `usb_free_urb(dev->urb_intr)` wit…

  • High 7.8

    Bluetooth: MGMT: Fix slab-use-after-free Read in set_powered_sync

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix slab-use-after-free Read in set_powered_sync This fixes the following crash: ================================================================== BUG: KASAN: slab-use-after…

  • High 7.8

    Bluetooth: MGMT: Fix possible deadlocks

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix possible deadlocks This fixes possible deadlocks like the following caused by hci_cmd_sync_dequeue causing the destroy function to run: INFO: task kworker/u19:0:143 block…

  • High 7.8

    xen: Fix the issue of resource not being properly released in xenbus_dev_probe()

    In the Linux kernel, the following vulnerability has been resolved: xen: Fix the issue of resource not being properly released in xenbus_dev_probe() This patch fixes an issue in the function xenbus_dev_probe(). In the xenbus_dev_probe() function, within the i…

  • High 7.8
    CVE-2024-53197 Exploited

    ALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devices

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devices A bogus device can provide a bNumConfigurations value that exceeds the initial value used in usb_get_configura…

    KEV Apr 9, 2025
  • High 7.8

    PCI: Fix use-after-free of slot->bus on hot remove

    In the Linux kernel, the following vulnerability has been resolved: PCI: Fix use-after-free of slot->bus on hot remove Dennis reports a boot crash on recent Lenovo laptops with a USB4 dock. Since commit 0fc70886569c ("thunderbolt: Reset USB4 v2 host router") …

  • High 7.8

    wifi: ath12k: fix warning when unbinding

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix warning when unbinding If there is an error during some initialization related to firmware, the buffers dp->tx_ring[i].tx_status are released. However this is released again…

  • High 7.8

    wifi: ath12k: fix crash when unbinding

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix crash when unbinding If there is an error during some initialization related to firmware, the function ath12k_dp_cc_cleanup is called to release resources. However this is r…

  • High 7.5

    smb: client: fix NULL ptr deref in crypto_aead_setkey()

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix NULL ptr deref in crypto_aead_setkey() Neither SMB3.0 or SMB3.02 supports encryption negotiate context, so when SMB2_GLOBAL_CAP_ENCRYPTION flag is set in the negotiate respon…

  • High 7.5

    smb: Don't leak cfid when reconnect races with open_cached_dir

    In the Linux kernel, the following vulnerability has been resolved: smb: Don't leak cfid when reconnect races with open_cached_dir open_cached_dir() may either race with the tcon reconnection even before compound_send_recv() or directly trigger a reconnection…

  • High 7.8

    SUNRPC: make sure cache entry active before cache_show

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: make sure cache entry active before cache_show The function `c_show` was called with protection from RCU. This only ensures that `cp` will not be freed. Therefore, the reference count…

  • High 7.8

    NFSv4.0: Fix a use-after-free problem in the asynchronous open()

    In the Linux kernel, the following vulnerability has been resolved: NFSv4.0: Fix a use-after-free problem in the asynchronous open() Yang Erkun reports that when two threads are opening files at the same time, and are forced to abort before a reply is seen, t…

  • High 7.8

    ubifs: authentication: Fix use-after-free in ubifs_tnc_end_commit

    In the Linux kernel, the following vulnerability has been resolved: ubifs: authentication: Fix use-after-free in ubifs_tnc_end_commit After an insertion in TNC, the tree might split and cause a node to change its `znode->parent`. A further deletion of other n…

  • High 7.8

    block: fix uaf for flush rq while iterating tags

    In the Linux kernel, the following vulnerability has been resolved: block: fix uaf for flush rq while iterating tags blk_mq_clear_flush_rq_mapping() is not called during scsi probe, by checking blk_queue_init_done(). However, QUEUE_FLAG_INIT_DONE is cleared i…

  • High 7.8

    sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket

    In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket BUG: KASAN: slab-use-after-free in tcp_write_timer_handler+0x156/0x3e0 Read of size 1 at addr ffff888111f322cd by task swapper/0/0…

  • High 7.8

    block, bfq: fix bfqq uaf in bfq_limit_depth()

    In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix bfqq uaf in bfq_limit_depth() Set new allocated bfqq to bic or remove freed bfqq from bic are both protected by bfqd->lock, however bfq_limit_depth() is deferencing bfqq from …

  • High 7.4

    sh: intc: Fix use-after-free bug in register_intc_controller()

    In the Linux kernel, the following vulnerability has been resolved: sh: intc: Fix use-after-free bug in register_intc_controller() In the error handling for this function, d is freed without ever removing it from intc_list which would lead to a use after free…

  • High 7.8

    net: sched: fix ordering of qlen adjustment

    In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ordering of qlen adjustment Changes to sch->q.qlen around qdisc_tree_reduce_backlog() need to happen _before_ a call to said function because otherwise it may fail to notify p…

  • High 7.1

    crypto: qat/qat_4xxx - fix off by one in uof_get_name()

    In the Linux kernel, the following vulnerability has been resolved: crypto: qat/qat_4xxx - fix off by one in uof_get_name() The fw_objs[] array has "num_objs" elements so the > needs to be >= to prevent an out of bounds read.

  • High 7.8

    wifi: ath9k: add range check for conn_rsp_epid in htc_connect_service()

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: add range check for conn_rsp_epid in htc_connect_service() I found the following bug in my fuzzer: UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath9k/htc_hst.c:26…

  • High 7.1

    ocfs2: fix uninitialized value in ocfs2_file_read_iter()

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix uninitialized value in ocfs2_file_read_iter() Syzbot has reported the following KMSAN splat: BUG: KMSAN: uninit-value in ocfs2_file_read_iter+0x9a4/0xf80 ocfs2_file_read_iter+0x9a4…

  • High 7.1
    CVE-2024-53150 Exploited

    ALSA: usb-audio: Fix out of bounds reads when finding clock sources

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix out of bounds reads when finding clock sources The current USB-audio driver code doesn't check bLength of each descriptor at traversing for clock descriptors. That is, wh…

    KEV Apr 9, 2025
  • High 7.5

    svcrdma: Address an integer overflow

    In the Linux kernel, the following vulnerability has been resolved: svcrdma: Address an integer overflow Dan Carpenter reports: > Commit 78147ca8b4a9 ("svcrdma: Add a "parsed chunk list" data > structure") from Jun 22, 2020 (linux-next), leads to the followin…

  • High 7.8

    comedi: Flush partial mappings in error case

    In the Linux kernel, the following vulnerability has been resolved: comedi: Flush partial mappings in error case If some remap_pfn_range() calls succeeded before one failed, we still have buffer pages mapped into the userspace page tables when we drop the buf…

  • High 7.8

    exfat: fix out-of-bounds access of directory entries

    In the Linux kernel, the following vulnerability has been resolved: exfat: fix out-of-bounds access of directory entries In the case of the directory size is greater than or equal to the cluster size, if start_clu becomes an EOF cluster(an invalid cluster) du…

  • High 8.8

    Bluetooth: hci_event: Align BR/EDR JUST_WORKS paring with LE

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: Align BR/EDR JUST_WORKS paring with LE This aligned BR/EDR JUST_WORKS method with LE which since 92516cd97fd4 ("Bluetooth: Always request for user confirmation for Just …

  • High 7.8

    netfilter: ipset: add missing range check in bitmap_ip_uadt

    In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: add missing range check in bitmap_ip_uadt When tb[IPSET_ATTR_IP_TO] is not present but tb[IPSET_ATTR_CIDR] exists, the values of ip and ip_to are slightly swapped. Therefore…

  • High 7.8

    netlink: terminate outstanding dump on socket close

    In the Linux kernel, the following vulnerability has been resolved: netlink: terminate outstanding dump on socket close Netlink supports iterative dumping of data. It provides the families the following ops: - start - (optional) kicks off the dumping process …

  • High 7.8

    sctp: fix possible UAF in sctp_v6_available()

    In the Linux kernel, the following vulnerability has been resolved: sctp: fix possible UAF in sctp_v6_available() A lockdep report [1] with CONFIG_PROVE_RCU_LIST=y hints that sctp_v6_available() is calling dev_get_by_index_rcu() and ipv6_chk_addr() without ho…

  • High 7.5

    mm: revert "mm: shmem: fix data-race in shmem_getattr()"

    In the Linux kernel, the following vulnerability has been resolved: mm: revert "mm: shmem: fix data-race in shmem_getattr()" Revert d949d1d14fa2 ("mm: shmem: fix data-race in shmem_getattr()") as suggested by Chuck [1]. It is causing deadlocks when accessing …

  • High 8.8

    KVM: VMX: Bury Intel PT virtualization (guest/host mode) behind CONFIG_BROKEN

    In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Bury Intel PT virtualization (guest/host mode) behind CONFIG_BROKEN Hide KVM's pt_mode module param behind CONFIG_BROKEN, i.e. disable support for virtualizing Intel PT via guest/ho…

  • High 7.8

    drm/amd/display: Handle dml allocation failure to avoid crash

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Handle dml allocation failure to avoid crash [Why] In the case where a dml allocation fails for any reason, the current state's dml contexts would no longer be valid. Then su…

  • High 7.8

    Revert "mmc: dw_mmc: Fix IDMAC operation with pages bigger than 4K"

    In the Linux kernel, the following vulnerability has been resolved: Revert "mmc: dw_mmc: Fix IDMAC operation with pages bigger than 4K" The commit 8396c793ffdf ("mmc: dw_mmc: Fix IDMAC operation with pages bigger than 4K") increased the max_req_size, even for…

  • High 7.1

    vdpa: solidrun: Fix UB bug with devres

    In the Linux kernel, the following vulnerability has been resolved: vdpa: solidrun: Fix UB bug with devres In psnet_open_pf_bar() and snet_open_vf_bar() a string later passed to pcim_iomap_regions() is placed on the stack. Neither pcim_iomap_regions() nor the…

  • High 7.8

    bpf: sync_linked_regs() must preserve subreg_def

    In the Linux kernel, the following vulnerability has been resolved: bpf: sync_linked_regs() must preserve subreg_def Range propagation must not affect subreg_def marks, otherwise the following example is rewritten by verifier incorrectly when BPF_F_TEST_RND_H…

  • High 7.5

    net: fix data-races around sk->sk_forward_alloc

    In the Linux kernel, the following vulnerability has been resolved: net: fix data-races around sk->sk_forward_alloc Syzkaller reported this warning: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 16 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x1c…

  • High 7.5

    mptcp: cope racing subflow creation in mptcp_rcv_space_adjust

    In the Linux kernel, the following vulnerability has been resolved: mptcp: cope racing subflow creation in mptcp_rcv_space_adjust Additional active subflows - i.e. created by the in kernel path manager - are included into the subflow list before starting the …