cve-2026-52910-poc

CVE-2026-52910 — reuseport cBPF use-after-free reproducer A race reproducer and stress toolkit for CVE-2026-52910 , a use-after-free UAF in the Linux kernel's handling of classic BPF cBPF reuseport selector programs , fixed upstream by commit "bpf: Free reuseport cBPF prog after RCU grace period"...

CVE-2026-22009-Linux-eBPF-Map-Locking-Race-Use-After-Free

CVE-2026-22009 – Linux eBPF Map Locking Race → Use‑After‑Free Program Code C simulation // ebpfmapuaf.c - Simulated concurrent map update/free include include include include void mapdata = NULL; int mapfreed = 0; void updatemapvoid arg // Simulate eBPF program updating map if !mapfreed char...

Vulnerability-Disclosure-Policy

Vulnerability Disclosure Policy We believe that vulnerability disclosure is a two-way street. Vendors, as well as researchers, must participate in co-ordinated vulnerability disclosure. When Enable Security discovers vulnerabilities through its own research, it will notify vendors of these...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: The reuseport cBPF prog is freed after the RCU grace period. Eulgyu Kim reported the issue below with a reproduction example. The reproduction example sets up a UDP reuseport group with a cBPF prog and replaces it with a new...

SUSE CVE-2026-93288

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: wait for rcu grace period before freeing pernet state sashiko reports: "nfnllognetexit calls nflogunset, which clears the logger pointer without an RCU grace period. Immediately after, opsfreelist frees t...

CVE-2026-98026

The Linux kernel contains a vulnerability in the net: bridge: mcast component where the br_multicast_del_port_group function unlists a port group without using the proper RCU helper to preserve the next pointer. Consequently, the port group is freed immediately without waiting for the RCU grace p...

AZL-103958 CVE-2026-93288 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: wait for rcu grace period before freeing pernet state sashiko reports: "nfnllognetexit calls nflogunset, which clears the logger pointer without an RCU grace period. Immediately after, opsfreelist frees t...

CVE-2026-93288

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: wait for rcu grace period before freeing pernet state sashiko reports: "nfnllognetexit calls nflogunset, which clears the logger pointer without an RCU grace period. Immediately after, opsfreelist frees t...

UBUNTU-CVE-2026-93288

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: wait for rcu grace period before freeing pernet state sashiko reports: "nfnllognetexit calls nflogunset, which clears the logger pointer without an RCU grace period. Immediately after, opsfreelist frees t...

CVE-2026-93288

The Linux kernel is affected by a vulnerability in the netfilter: nfnetlink_log component. The root cause involves nfnl_log_net_exit() calling nf_log_unset(), which clears the logger pointer without an RCU grace period . Consequently, ops_free_list() may free the per-net state while concurrent pa...

CVE-2026-93288 netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: wait for rcu grace period before freeing pernet state sashiko reports: "nfnllognetexit calls nflogunset, which clears the logger pointer without an RCU grace period. Immediately after, opsfreelist frees t...

EUVD-2026-86167

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: wait for rcu grace period before freeing pernet state sashiko reports: "nfnllognetexit calls nflogunset, which clears the logger pointer without an RCU grace period. Immediately after, opsfreelist frees t...

CVE-2026-93288 netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: wait for rcu grace period before freeing pernet state sashiko reports: "nfnllognetexit calls nflogunset, which clears the logger pointer without an RCU grace period. Immediately after, opsfreelist frees t...

CVE-2026-93288

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: wait for rcu grace period before freeing pernet state sashiko reports: "nfnllognetexit calls nflogunset, which clears the logger pointer without an RCU grace period. Immediately after, opsfreelist frees t...

CVE-2026-93288: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: wait for rcu grace period before freeing pernet state sashiko reports: "nfnllognetexit calls nflogunset, which clears the logger pointer without an RCU grace period. Immediately after, opsfreelist frees t...

Linux Distros Unpatched Vulnerability : CVE-2026-93288

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nfnetlinklog: wait for rcu grace period before freeing pernet state sashiko reports: nfnllognetexit calls nflogunset, which clears the logger pointer...

SUSE CVE-2026-89545

In the Linux kernel, the following vulnerability has been resolved: sunrpc: defer rqargp and rqresp free until after RCU grace period svcrqstfree frees rqstp-rqargp and rqstp-rqresp synchronously via kfree, but defers the rqstp struct free via kfreercu. After svcexitthread calls listdelrcu and...

CVE-2026-89972

In the Linux kernel, the following vulnerability has been resolved: nvme: add missing SRCU grace period in error path nvmeallocns error path at outunlinkns removes ns from the namespace head siblings list with listdelrcu&ns-siblings but does not wait for SRCU readers before freeing the namespace...

CVE-2026-89972 nvme: add missing SRCU grace period in error path

In the Linux kernel, the following vulnerability has been resolved: nvme: add missing SRCU grace period in error path nvmeallocns error path at outunlinkns removes ns from the namespace head siblings list with listdelrcu&ns-siblings but does not wait for SRCU readers before freeing the namespace...

CVE-2026-89972

CVE-2026-89972 is a use-after-free vulnerability in the Linux kernel NVMe subsystem . The error path in nvme_alloc_ns() removes a namespace from the siblings list via list_del_rcu() but fails to call synchronize_srcu() before freeing the namespace struct. Concurrent readers in nvme_find_path() an...