libp2p-rendezvous: Unlimited namespace registrations per peer enables OOM DoS on rendezvous servers

Summary found that libp2p-rendezvous server has no limit on how many namespaces a single peer can register. a malicious peer can just keep registering unique namespaces in a loop and the server happily accepts every single one allocating memory for each registration with no pushback. keep doing...

GHSA-CQFX-GF56-8X59 libp2p-rendezvous: Unlimited namespace registrations per peer enables OOM DoS on rendezvous servers

Summary found that libp2p-rendezvous server has no limit on how many namespaces a single peer can register. a malicious peer can just keep registering unique namespaces in a loop and the server happily accepts every single one allocating memory for each registration with no pushback. keep doing...

PT-2026-30324

Name of the Vulnerable Software and Affected Versions libp2p-rendezvous versions prior to 0.56.1 Description The libp2p-rendezvous server is susceptible to an Out-of-Memory OOM Denial of Service DoS condition. The server does not limit the number of namespaces a single peer can register. A...

SUSE CVE-2026-31403

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

EUVD-2026-18788

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

CVE-2026-31403

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

UBUNTU-CVE-2026-31403

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

CVE-2026-31403

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

CVE-2026-31403

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

CVE-2026-31403

CVE-2026-31403 is a Linux kernel vulnerability affecting NFSD where a proc entry (/proc/fs/nfs/exports) captured the caller’s network namespace without holding a reference. If the namespace is torn down after opening the exports fd (e.g., container destruction with setns), nfsd_net_exit() may fre...

CVE-2026-31403 NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

CVE-2026-31403 NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of network namespace references, potentially allowing access to already released cache...

CVE-2026-31403: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

CVE-2026-5199

A writer role user in an attacker-controlled namespace could signal, delete, and reset workflows or activities in a victim namespace on the same cluster. Exploitation requires the attacker to know or guess specific victim workflow IDs and, for signal operations, signal names. This was due to a bu...

EUVD-2026-18210

A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which can enable the replay of consumed action tokens, such as password reset links. This...

GHSA-RX66-HJ7G-28H7 Keycloak: Replay of action tokens via improper handling of single-use entries

A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which can enable the replay of consumed action tokens, such as password reset links. This...

keycloak: Keycloak: Replay of action tokens via improper handling of single-use entries

A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which can enable the replay of consumed action tokens, such as password reset links. This...

keycloak: Keycloak: Replay of action tokens via improper handling of single-use entries

A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which can enable the replay of consumed action tokens, such as password reset links. This...

CVE-2026-4325

A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which can enable the replay of consumed action tokens, such as password reset links. This...