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Package · Ubuntu

linux-realtime-6.17

8,526 known vulnerabilities.

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  • Unscored —
    CVE-2026-23416 Public exploit

    mm/mseal: update VMA end correctly on merge

    In the Linux kernel, the following vulnerability has been resolved: mm/mseal: update VMA end correctly on merge Previously we stored the end of the current VMA in curr_end, and then upon iterating to the next VMA updated curr_start to curr_end to advance to t…

  • High 7.8
    CVE-2026-23415 Public exploit

    futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy()

    In the Linux kernel, the following vulnerability has been resolved: futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy() During futex_key_to_node_opt() execution, vma->vm_policy is read under speculative mmap lock and RCU. Concurrently, mbi…

  • 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-2026-23231 Public exploit

    netfilter: nf_tables: fix use-after-free in nf_tables_addchain()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix use-after-free in nf_tables_addchain() nf_tables_addchain() publishes the chain to table->chains via list_add_tail_rcu() (in nft_chain_add()) before registering hook…

  • 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
    CVE-2026-23010 Public exploit

    ipv6: Fix use-after-free in inet6_addr_del().

    In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix use-after-free in inet6_addr_del(). syzbot reported use-after-free of inet6_ifaddr in inet6_addr_del(). [0] The cited commit accidentally moved ipv6_del_addr() for mngtmpaddr before…

  • Unscored —
    CVE-2026-23009 Public exploit

    xhci: sideband: don't dereference freed ring when removing sideband endpoint

    In the Linux kernel, the following vulnerability has been resolved: xhci: sideband: don't dereference freed ring when removing sideband endpoint xhci_sideband_remove_endpoint() incorrecly assumes that the endpoint is running and has a valid transfer ring. Lia…

  • Unscored —
    CVE-2026-23008 Public exploit

    drm/vmwgfx: Fix KMS with 3D on HW version 10

    In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix KMS with 3D on HW version 10 HW version 10 does not have GB Surfaces so there is no backing buffer for surface backed FBs. This would result in a nullptr dereference and crash…

  • Unscored —
    CVE-2026-23007 Public exploit

    block: zero non-PI portion of auto integrity buffer

    In the Linux kernel, the following vulnerability has been resolved: block: zero non-PI portion of auto integrity buffer The auto-generated integrity buffer for writes needs to be fully initialized before being passed to the underlying block device, otherwise …

  • Unscored —
    CVE-2026-23006 Public exploit

    ASoC: tlv320adcx140: fix null pointer

    In the Linux kernel, the following vulnerability has been resolved: ASoC: tlv320adcx140: fix null pointer The "snd_soc_component" in "adcx140_priv" was only used once but never set. It was only used for reaching "dev" which is already present in "adcx140_priv…

  • Unscored —
    CVE-2026-23005 Public exploit

    x86/fpu: Clear XSTATE_BV[i] in guest XSAVE state whenever XFD[i]=1

    In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Clear XSTATE_BV[i] in guest XSAVE state whenever XFD[i]=1 When loading guest XSAVE state via KVM_SET_XSAVE, and when updating XFD in response to a guest WRMSR, clear XFD-disabled fea…

  • 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…

  • Unscored —
    CVE-2026-23002 Public exploit

    lib/buildid: use __kernel_read() for sleepable context

    In the Linux kernel, the following vulnerability has been resolved: lib/buildid: use __kernel_read() for sleepable context Prevent a "BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio". For the sleepable context, convert freader to u…

  • 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…

  • Unscored —
    CVE-2025-68325 Public exploit

    net/sched: sch_cake: Fix incorrect qlen reduction in cake_drop

    In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_cake: Fix incorrect qlen reduction in cake_drop In cake_drop(), qdisc_tree_reduce_backlog() is used to update the qlen and backlog of the qdisc hierarchy. Its caller, cake_enqu…

  • 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…

  • High 7.8
    CVE-2025-40040 Public exploit

    mm/ksm: fix flag-dropping behavior in ksm_madvise

    In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksm_madvise syzkaller discovered the following crash: (kernel BUG) [ 44.607039] ------------[ cut here ]------------ [ 44.607422] kernel BUG at mm/userfa…

  • 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.

  • 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 7.0
    CVE-2023-3640 Public exploit

    Kernel: x86/mm: a per-cpu entry area leak was identified through the init_cea_offsets function when prefetchnta and prefetcht2 instructions being used for the per-cpu entry area mapping to the user space

    A possible unauthorized memory access flaw was found in the Linux kernel's cpu_entry_area mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important data. Based on the previous CVE-2023-0597, the 'Randomize p…

  • Medium 5.5
    CVE-2022-4543 Public exploit

    A flaw named "EntryBleed" was found in the Linux Kernel Page Table Isolation (KPTI). This issue could allow a local att…

  • Unscored —
    CVE-2021-3864 Public exploit

    A flaw was found in the way the dumpable flag setting was handled when certain SUID binaries executed its descendants. …

  • Unscored —
    CVE-2022-25265 Public exploit

    In the Linux kernel through 5.16.10, certain binary files may have the exec-all attribute if they were built in approxi…

  • Unscored —
    CVE-2021-3773 Public exploit

    A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for furth…

  • Unscored —
    CVE-2020-15802 Public exploit

    Devices supporting Bluetooth before 5.1 may allow man-in-the-middle attacks, aka BLURtooth. Cross Transport Key Derivat…

  • Unscored —
    CVE-2020-14356 Public exploit

    A flaw null pointer dereference in the Linux kernel cgroupv2 subsystem in versions before 5.7.10 was found in the way w…

  • High 7.1
    CVE-2019-15794 Public exploit

    Reference counting error in overlayfs/shiftfs error path when used in conjuction with aufs

    Overlayfs in the Linux kernel and shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, both replace vma->vm_file in their mmap handlers. On error the original value is not restored, and the reference is put for t…

  • Low 3.9
    CVE-2018-1121 Public exploit

    procps-ng, procps is vulnerable to a process hiding through race condition. Since the kernel's proc_pid_readdir() retur…

  • Unscored —
    CVE-2016-2853 Public exploit

    The aufs module for the Linux kernel 3.x and 4.x does not properly restrict the mount namespace, which allows local use…

  • Unscored —
    CVE-2016-2854 Public exploit

    The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local us…