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...

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"...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ipv4: free inetopt and ireqopt after an RCU grace period CVE-2026-98432 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.10 Extra. Visit this page to learn more about Amazon...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ipv4: free inetopt and ireqopt after an RCU grace period CVE-2026-98432 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.4 Extra. Visit this page to learn more about Amazon...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ipv4: free inetopt and ireqopt after an RCU grace period CVE-2026-98432 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.15 Extra. Visit this page to learn more about Amazon...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ipv4: free inetopt and ireqopt after an RCU grace period CVE-2026-98432 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference...

CVE-2026-99173

In the Linux kernel, the following vulnerability has been resolved: eventfs: Free the eventfsinode after an rcu grace period too tracefsdrevalidate reads -isfreed of the eventfsinode that dentry-dfsdata points to, and -drevalidate is called in rcu pathwalk mode with nothing but rcureadlock held...

AZL-108831 CVE-2026-98800 affecting package kernel 6.6.159.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Wait for an RCU tasks grace period before freeing trampoline progs When a prog is detached from a trampoline, it is freed after an RCU grace period, or an RCU tasks trace one if it is sleepable. This covers the tasks that ar...

DEBIAN-CVE-2026-98800

In the Linux kernel, the following vulnerability has been resolved: bpf: Wait for an RCU tasks grace period before freeing trampoline progs When a prog is detached from a trampoline, it is freed after an RCU grace period, or an RCU tasks trace one if it is sleepable. This covers the tasks that ar...

UBUNTU-CVE-2026-98800

In the Linux kernel, the following vulnerability has been resolved: bpf: Wait for an RCU tasks grace period before freeing trampoline progs When a prog is detached from a trampoline, it is freed after an RCU grace period, or an RCU tasks trace one if it is sleepable. This covers the tasks that ar...

CVE-2026-98800 bpf: Wait for an RCU tasks grace period before freeing trampoline progs

In the Linux kernel, the following vulnerability has been resolved: bpf: Wait for an RCU tasks grace period before freeing trampoline progs When a prog is detached from a trampoline, it is freed after an RCU grace period, or an RCU tasks trace one if it is sleepable. This covers the tasks that ar...

CVE-2026-98800

In the Linux kernel, the following vulnerability has been resolved: bpf: Wait for an RCU tasks grace period before freeing trampoline progs When a prog is detached from a trampoline, it is freed after an RCU grace period, or an RCU tasks trace one if it is sleepable. This covers the tasks that ar...

CVE-2026-98800 bpf: Wait for an RCU tasks grace period before freeing trampoline progs

In the Linux kernel, the following vulnerability has been resolved: bpf: Wait for an RCU tasks grace period before freeing trampoline progs When a prog is detached from a trampoline, it is freed after an RCU grace period, or an RCU tasks trace one if it is sleepable. This covers the tasks that ar...

CVE-2026-98800

The Linux kernel contains a vulnerability where programs linked to a trampoline can be freed prematurely when detached. Specifically, on a preemptible kernel , a task preempted in the trampoline just before the enter helper may call the program after it has been freed, leading to a vmalloc-out-of...

CLSA-2026-1784274653 kernel: Fix of 2 CVEs

xfs: resample the data fork mapping after cycling ILOCK - macvlan: observe an RCU grace period in macvlancommonnewlink error path CVE-2026-23209...

PT-2026-117019

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF subsystem where a program detached from a trampoline may be freed prematurely on preemptible kernels. This occurs because the standard RCU grace period does no...

CVE-2026-98800: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Wait for an RCU tasks grace period before freeing trampoline progs When a prog is detached from a trampoline, it is freed after an RCU grace period, or an RCU tasks trace one if it is sleepable. This covers the tasks that ar...

Linux Distros Unpatched Vulnerability : CVE-2026-98800

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Wait for an RCU tasks grace period before freeing trampoline progs When a prog is detached from a trampoline, it is freed after an RCU grace period, or an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftct: Fixed a use-after-free in the destroy function for timeout objects. The nftcttimeoutobjDestroy function frees the timeout object using kfree, immediately after nfcttimeoutout, without waiting for an RCU grace...