CVE-2026-43469 xprtrdma: Decrement re_receiving on the early exit paths

In the Linux kernel, the following vulnerability has been resolved: xprtrdma: Decrement rereceiving on the early exit paths In the event that rpcrdmapostrecvs fails to create a work request due to memory allocation failure, say or otherwise exits early, we should decrement ep-rereceiving before...

CVE-2026-43463

In the Linux kernel, the following vulnerability has been resolved: rxrpc, afs: Fix missing error pointer check after rxrpckernellookuppeer rxrpckernellookuppeer can also return error pointers in addition to NULL, so just checking for NULL is not sufficient. Fix this by: 1 Changing...

dirtyfrag-lab

DirtyFrag Detection Lab A self-contained detection engineerin...

Dirty Frag: Linux Kernel Local Privilege Escalation via ESP and RxRPC

Unpatched kernel flaw chain CVE-2026-43284, CVE-2026-43500 enables root escalation on major Linux distributions...

CVE-2026-43284

A flaw was found in the Linux kernel's xfrm-ESP and RxRPC subsystems. Unsafe in-place cryptographic processing of shared socket buffer fragments allows a low-privileged local attacker to corrupt page-cache contents of readable files, including sensitive system files, and gain root privileges. The...

Exploit for Write-what-where Condition in Linux Linux_Kernel

Dirty Frag mitigation script This script: 1. Block...

PT-2026-39130

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the xprtrdma component where the rpcrdma post recvs function fails to decrement the re receiving variable on early exit paths, such as during memory allocation failure...

CVE-2026-40213

OpenStack Cyborg before 16.0.1 uses rule:allow checkstr='@' as the default policy for multiple API endpoints. This unconditionally authorizes any request carrying a valid Keystone token regardless of roles, project membership, or scope. An authenticated user with zero role assignments can complet...

PT-2026-38596

Name of the Vulnerable Software and Affected Versions OpenStack Cyborg versions prior to 16.0.1 Description Multiple API endpoints use rule:allow check str='@' as the default policy, which unconditionally authorizes any request containing a valid Keystone token. This occurs regardless of the user...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the gRPC management server. An attacker can access sensitive BGP configuration and manipulate routing decisions by sending unauthorized gRPC requests from any pod within the cluster. This...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the gRPC management server. An attacker can access sensitive BGP configuration and manipulate routing decisions by sending unauthorized gRPC requests from any pod within the cluster. This...

EUVD-2026-27493

CoreDNS is a DNS server written in Go. In versions prior to 1.14.3, the gRPC, QUIC, DoH, and DoH3 transport implementations incorrectly handle TSIG authentication. For gRPC and QUIC, the server checks whether the TSIG key name exists in the configuration but never calls dns.TsigVerify to validate...

CVE-2026-35579

CoreDNS is a DNS server written in Go. In versions prior to 1.14.3, the gRPC, QUIC, DoH, and DoH3 transport implementations incorrectly handle TSIG authentication. For gRPC and QUIC, the server checks whether the TSIG key name exists in the configuration but never calls dns.TsigVerify to validate...

CVE-2026-35579 CoreDNS TSIG authentication bypass on gRPC, QUIC, DoH, and DoH3 transports

CoreDNS is a DNS server written in Go. In versions prior to 1.14.3, the gRPC, QUIC, DoH, and DoH3 transport implementations incorrectly handle TSIG authentication. For gRPC and QUIC, the server checks whether the TSIG key name exists in the configuration but never calls dns.TsigVerify to validate...

CVE-2026-33190

CoreDNS is a DNS server that chains plugins. In versions prior to 1.14.3, the tsig plugin can be bypassed on non-plain-DNS transports DoT, DoH, DoH3, DoQ, and gRPC because it trusts the transport writer's TsigStatus instead of performing verification itself. The DoH and DoH3 writer's TsigStatus...

CVE-2026-33190

CoreDNS TSIG authentication bypass vulnerability (CVE-2026-33190) affects versions prior to 1.14.3 on non-plain-DNS transports. The tsig plugin trusts the transport writer’s TsigStatus() instead of verifying TSIG itself, causing unauthenticated remote access over DoT, DoH, DoH3, DoQ, and gRPC. Do...

SUSE-SU-2026:21490-1 Security update for containerd

This update for containerd fixes the following issue: - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2 :path pseudo-header bsc1260296...

SUSE CVE-2026-31696

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix missing validation of ticket length in non-XDR key preparsing In rxrpcpreparse, there are two paths for parsing key payloads: the XDR path for large payloads and the non-XDR path for payloads = 28 bytes. While the XDR...

SUSE CVE-2026-31707

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate response sizes in ipcvalidatemsg ipcvalidatemsg computes the expected message size for each response type by adding or multiplying attacker-controlled fields from the daemon response to a fixed struct size in...

Improper Authorization

Overview Affected versions of this package are vulnerable to Improper Authorization via the RPC Handler component. An attacker can gain unauthorized access to sensitive operations or data by sending crafted remote procedure calls without proper authorization checks. Remediation Upgrade...