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High 8.4CVE-2026-63828 Public exploit
apparmor: mediate the implicit connect of TCP fast open sendmsg
In the Linux kernel, the following vulnerability has been resolved: apparmor: mediate the implicit connect of TCP fast open sendmsg sendmsg()/sendto() with MSG_FASTOPEN is a combination of connect(2) and write(2): it opens the connection in the SYN. apparmor_…
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High 7.8CVE-2026-53365 Public exploit
vsock/virtio: fix zerocopy completion for multi-skb sends
In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix zerocopy completion for multi-skb sends When a large message is fragmented into multiple skbs, the zerocopy uarg is only allocated and attached to the last skb in the loop. …
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High 7.8
ipv6: account for fraggap on the paged allocation path
In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In __ip6_append_data(), when the paged-allocation branch is taken (MSG_MORE / NETIF_F_SG / large fraglen), alloclen and pagedlen are com…
KEV Aug 27, 2026 -
High 7.1CVE-2026-53361 Public exploit
af_unix: Set gc_in_progress to true in unix_gc().
In the Linux kernel, the following vulnerability has been resolved: af_unix: Set gc_in_progress to true in unix_gc(). Igor Ushakov reported that unix_gc() could run with gc_in_progress being false if the work is scheduled while running: Thread 1 Thread 2 Thre…
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High 8.8CVE-2026-53359 Public exploit
KVM: x86: Fix shadow paging use-after-free due to unexpected role
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected role Commit 0cb2af2ea66ad ("KVM: x86: Fix shadow paging use-after-free due to unexpected GFN") fixed a shadow paging mismatch betw…
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High 8.8
netfilter: bridge: make ebt_snat ARP rewrite writable
In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: make ebt_snat ARP rewrite writable The ebtables SNAT target keeps the Ethernet source address rewrite behind skb_ensure_writable(skb, 0). This is intentional: at the bridge…
KEV Sep 18, 2026 -
High 7.8CVE-2026-53264 Public exploit
net/sched: act_api: use RCU with deferred freeing for action lifecycle
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_api: use RCU with deferred freeing for action lifecycle When NEWTFILTER and DELFILTER are run concurrently it is possible to create a race with an associated action. Let's illu…
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Unscored —CVE-2026-53157 Public exploit
net: phonet: free phonet_device after RCU grace period
In the Linux kernel, the following vulnerability has been resolved: net: phonet: free phonet_device after RCU grace period phonet_device_destroy() removes a phonet_device from the per-net device list with list_del_rcu(), but frees it immediately. RCU readers …
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High 7.8CVE-2026-52943 Public exploit
net: skbuff: fix missing zerocopy reference in pskb_carve helpers
In the Linux kernel, the following vulnerability has been resolved: net: skbuff: fix missing zerocopy reference in pskb_carve helpers pskb_carve_inside_header() and pskb_carve_inside_nonlinear() both copy the old skb_shared_info header into a new buffer via m…
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Critical 9.8CVE-2026-52924 Public exploit
sctp: purge outqueue on stale COOKIE-ECHO handling
In the Linux kernel, the following vulnerability has been resolved: sctp: purge outqueue on stale COOKIE-ECHO handling sctp_stream_update() is only invoked when the association is moved into COOKIE_WAIT during association setup/reconfiguration. In this path, …
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High 7.8CVE-2026-52923 Public exploit
ipc: limit next_id allocation to the valid ID range
In the Linux kernel, the following vulnerability has been resolved: ipc: limit next_id allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids->next_id. ipc_idr_alloc() currently forwards that request t…
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High 7.8CVE-2026-52910 Public exploit
bpf: Free reuseport cBPF prog after RCU grace period.
In the Linux kernel, the following vulnerability has been resolved: bpf: Free reuseport cBPF prog after RCU grace period. Eulgyu Kim reported the splat below with a repro. [0] The repro sets up a UDP reuseport group with a cBPF prog and replaces it with a new…
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High 7.8CVE-2026-46331 Public exploit
net/sched: fix pedit partial COW leading to page cache corruption
In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption tcf_pedit_act() computes the COW range for skb_ensure_writable() once before the key loop using tcfp_off_max_hint, but the hi…
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Critical 9.1CVE-2025-10263 Public exploit
Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X…
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High 7.8CVE-2026-46242 Public exploit
eventpoll: fix ep_remove struct eventpoll / struct file UAF
In the Linux kernel, the following vulnerability has been resolved: eventpoll: fix ep_remove struct eventpoll / struct file UAF ep_remove() (via ep_remove_file()) cleared file->f_ep under file->f_lock but then kept using @file inside the critical section (is_…
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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…
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High 7.8CVE-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…
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Medium 5.7CVE-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 …
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High 7.0CVE-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…
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Medium 5.5CVE-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…
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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. …
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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…
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Unscored —CVE-2021-3773 Public exploit
A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for furth…
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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…
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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…
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High 7.1CVE-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…
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Low 3.9CVE-2018-1121 Public exploit
procps-ng, procps is vulnerable to a process hiding through race condition. Since the kernel's proc_pid_readdir() retur…
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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…
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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…