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linux-iot

8,167 known vulnerabilities.

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  • Unscored —
    CVE-2026-31721 Public exploit

    usb: gadget: f_hid: move list and spinlock inits from bind to alloc

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_hid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in E…

  • Unscored —
    CVE-2026-31720 Public exploit

    usb: gadget: f_uac1_legacy: validate control request size

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_uac1_legacy: validate control request size f_audio_complete() copies req->length bytes into a 4-byte stack variable: u32 data = 0; memcpy(&data, req->buf, req->length); req->le…

  • High 7.8
    CVE-2026-31694 Public exploit

    fuse: reject oversized dirents in page cache

    In the Linux kernel, the following vulnerability has been resolved: fuse: reject oversized dirents in page cache fuse_add_dirent_to_cache() computes a serialized dirent size from the server-controlled namelen field and copies the dirent into a single page-cac…

  • Unscored —
    CVE-2026-31787 Public exploit

    xen/privcmd: fix double free via VMA splitting

    In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: fix double free via VMA splitting privcmd_vm_ops defines .close (privcmd_close), but neither .may_split nor .open. When userspace does a partial munmap() on a privcmd mapping, th…

  • Low 2.0
    CVE-2025-54505 Public exploit

    A transient execution vulnerability within AMD CPUs may allow a local user-privileged attacker to leak data via the flo…

  • High 7.8
    CVE-2026-31431 Exploited Public exploit EPSS 98%

    crypto: algif_aead - Revert to operating out-of-place

    In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algif…

    KEV May 1, 2026
  • Critical 9.8
    CVE-2026-31402 Public exploit

    nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

    In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache The NFSv4.0 replay cache uses a fixed 112-byte inline buffer (rp_ibuf[NFSD4_REPLAY_ISIZE]) to store encoded operation responses. This size…

  • Unscored —
    CVE-2026-23398 Public exploit

    icmp: fix NULL pointer dereference in icmp_tag_validation()

    In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmp_tag_validation() icmp_tag_validation() unconditionally dereferences the result of rcu_dereference(inet_protos[proto]) without checking for NULL. The…

  • High 7.8
    CVE-2026-23004 Public exploit

    dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list()

    In the Linux kernel, the following vulnerability has been resolved: dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list() syzbot was able to crash the kernel in rt6_uncached_list_flush_dev() in an interesting way [1] Crash happens in list_del_i…

  • High 7.5
    CVE-2026-23003 Public exploit

    ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()

    In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() Blamed commit did not take care of VLAN encapsulations as spotted by syzbot [1]. Use skb_vlan_inet_prepare() instead of pskb_inet_ma…

  • High 7.8
    CVE-2026-23001 Public exploit

    macvlan: fix possible UAF in macvlan_forward_source()

    In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlan_forward_source() Add RCU protection on (struct macvlan_source_entry)->vlan. Whenever macvlan_hash_del_source() is called, we must clear entry->vlan pointe…

  • High 7.8
    CVE-2025-40271 Public exploit

    fs/proc: fix uaf in proc_readdir_de()

    In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in proc_readdir_de() Pde is erased from subdir rbtree through rb_erase(), but not set the node to EMPTY, which may result in uaf access. We should use RB_CLEAR_NODE() set the…

  • High 7.8
    CVE-2025-40123 Public exploit

    bpf: Enforce expected_attach_type for tailcall compatibility

    In the Linux kernel, the following vulnerability has been resolved: bpf: Enforce expected_attach_type for tailcall compatibility Yinhao et al. recently reported: Our fuzzer tool discovered an uninitialized pointer issue in the bpf_prog_test_run_xdp() function…

  • Unscored —
    CVE-2025-40019 Public exploit

    crypto: essiv - Check ssize for decryption and in-place encryption

    In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption Move the ssize check to the start in essiv_aead_crypt so that it's also checked for decryption and in-place encryption.

  • High 7.8
    CVE-2025-39964 Exploited Public exploit

    crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg

    In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg Issuing two writes to the same af_alg socket is bogus as the data will be interleaved in an unpredictable fashion. Furthermore, c…

    KEV Sep 18, 2026
  • Unscored —
    CVE-2025-39913 Public exploit

    tcp_bpf: Call sk_msg_free() when tcp_bpf_send_verdict() fails to allocate psock->cork.

    In the Linux kernel, the following vulnerability has been resolved: tcp_bpf: Call sk_msg_free() when tcp_bpf_send_verdict() fails to allocate psock->cork. syzbot reported the splat below. [0] The repro does the following: 1. Load a sk_msg prog that calls bpf_…

  • High 7.8
    CVE-2025-39866 Public exploit

    fs: writeback: fix use-after-free in __mark_inode_dirty()

    In the Linux kernel, the following vulnerability has been resolved: fs: writeback: fix use-after-free in __mark_inode_dirty() An use-after-free issue occurred when __mark_inode_dirty() get the bdi_writeback that was in the progress of switching. CPU: 1 PID: 5…

  • Unscored —
    CVE-2025-38676 Public exploit

    iommu/amd: Avoid stack buffer overflow from kernel cmdline

    In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Avoid stack buffer overflow from kernel cmdline While the kernel command line is considered trusted in most environments, avoid writing 1 byte past the end of "acpiid" if the "str"…

  • High 8.2
    CVE-2024-58239 Public exploit

    tls: stop recv() if initial process_rx_list gave us non-DATA

    In the Linux kernel, the following vulnerability has been resolved: tls: stop recv() if initial process_rx_list gave us non-DATA If we have a non-DATA record on the rx_list and another record of the same type still on the queue, we will end up merging them: -…

  • 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
    CVE-2025-38001 Public exploit

    net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

    In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice Savino says: "We are writing to report that this recent patch (141d34391abbb315d68556b7c67ad97885407547) [1] can be byp…

  • Critical 9.1
    CVE-2025-27558 Public exploit

    IEEE P802.11-REVme D1.1 through D7.0 allows FragAttacks against mesh networks. In mesh networks using Wi-Fi Protected A…

  • Unscored —
    CVE-2025-37928 Public exploit

    dm-bufio: don't schedule in atomic context

    In the Linux kernel, the following vulnerability has been resolved: dm-bufio: don't schedule in atomic context A BUG was reported as below when CONFIG_DEBUG_ATOMIC_SLEEP and try_verify_in_tasklet are enabled. [ 129.444685][ T934] BUG: sleeping function called…

  • High 7.8
    CVE-2024-53104 Exploited Public exploit

    media: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_format

    In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_format This can lead to out of bounds writes since frames of this type were not taken into account when calculating …

    KEV Feb 5, 2025
  • Unscored —
    CVE-2024-50251 Public exploit

    netfilter: nft_payload: sanitize offset and length before calling skb_checksum()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_payload: sanitize offset and length before calling skb_checksum() If access to offset + length is larger than the skbuff length, then skb_checksum() triggers BUG_ON(). skb_chec…

  • High 7.8
    CVE-2024-49882 Public exploit

    ext4: fix double brelse() the buffer of the extents path

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix double brelse() the buffer of the extents path In ext4_ext_try_to_merge_up(), set path[1].p_bh to NULL after it has been released, otherwise it may be released twice. An example of …

  • Unscored —
    CVE-2024-44947 Public exploit

    fuse: Initialize beyond-EOF page contents before setting uptodate

    In the Linux kernel, the following vulnerability has been resolved: fuse: Initialize beyond-EOF page contents before setting uptodate fuse_notify_store(), unlike fuse_do_readpage(), does not enable page zeroing (because it can be used to change partial page c…

  • High 7.8
    CVE-2024-44946 Public exploit

    kcm: Serialise kcm_sendmsg() for the same socket.

    In the Linux kernel, the following vulnerability has been resolved: kcm: Serialise kcm_sendmsg() for the same socket. syzkaller reported UAF in kcm_release(). [0] The scenario is 1. Thread A builds a skb with MSG_MORE and sets kcm->seq_skb. 2. Thread A resume…

  • High 7.8
    CVE-2024-36971 Exploited Public exploit

    net: fix __dst_negative_advice() race

    In the Linux kernel, the following vulnerability has been resolved: net: fix __dst_negative_advice() race __dst_negative_advice() does not enforce proper RCU rules when sk->dst_cache must be cleared, leading to possible UAF. RCU rules are that we must first c…

    KEV Aug 7, 2024
  • Critical 9.8
    CVE-2024-36886 Public exploit

    tipc: fix UAF in error path

    In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in error path Sam Page (sam4k) working with Trend Micro Zero Day Initiative reported a UAF in the tipc_buf_append() error path: BUG: KASAN: slab-use-after-free in kfree_skb_list…

  • High 8.0
    CVE-2024-27398 Public exploit

    Bluetooth: Fix use-after-free bugs caused by sco_sock_timeout

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix use-after-free bugs caused by sco_sock_timeout When the sco connection is established and then, the sco socket is releasing, timeout_work will be scheduled to judge whether the…

  • Unscored —
    CVE-2024-26817 Public exploit

    amdkfd: use calloc instead of kzalloc to avoid integer overflow

    In the Linux kernel, the following vulnerability has been resolved: amdkfd: use calloc instead of kzalloc to avoid integer overflow This uses calloc instead of doing the multiplication which might overflow.

  • Medium 5.7
    CVE-2024-2193 Public exploit

    Speculative Race Condition impacts modern CPU architectures that support speculative execution, also known as GhostRace.

    A Speculative Race Condition (SRC) vulnerability that impacts modern CPU architectures supporting speculative execution (related to Spectre V1) has been disclosed. An unauthenticated attacker can exploit this vulnerability to disclose arbitrary data from the …

  • High 7.8
    CVE-2019-25162 Public exploit

    i2c: Fix a potential use after free

    In the Linux kernel, the following vulnerability has been resolved: i2c: Fix a potential use after free Free the adap structure only after we are done using it. This patch just moves the put_device() down a bit to avoid the use after free. [wsa: added comment…

  • High 7.8
    CVE-2024-26581 Public exploit

    netfilter: nft_set_rbtree: skip end interval element from gc

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: skip end interval element from gc rbtree lazy gc on insert might collect an end interval element that has been just added in this transactions, skip end interval el…

  • High 7.8
    CVE-2024-1086 Exploited · Ransomware Public exploit EPSS 28%

    Use-after-free in Linux kernel's netfilter: nf_tables component

    A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slo…

    KEV May 30, 2024
  • Medium 5.3
    CVE-2022-2602 Public exploit

    io_uring UAF, Unix SCM garbage collection

  • Medium 5.3
    CVE-2022-2588 Public exploit

    It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the …

  • Medium 5.3
    CVE-2022-2586 Exploited Public exploit EPSS 10%

    It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-…

    KEV Jun 26, 2024
  • High 7.8
    CVE-2023-6931 Public exploit

    Out-of-bounds write in Linux kernel's Performance Events system component

    A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_…