PT-2026-35367

Date: April 27, 2026 Status: ACTIVE EXPLOITATION / PERIMETER & INTERNAL RISK Target: Microsoft Windows RPC Runtime All Versions: Windows 10, 11, Server 2016-2025 Severity: 9.8 MAXIMUM CRITICAL Unauthenticated Remote Code Execution / LPE...

Linux Distros Unpatched Vulnerability : CVE-2026-31638

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rxrpc: Only put the call ref if one was acquired rxrpcinputpacketonconn can process a to-client packet after the current client call on the channel has already...

Linux Distros Unpatched Vulnerability : CVE-2026-31640

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rxrpc: Fix use of wrong skb when comparing queued RESP challenge serial In rxrpcpostresponse, the code should be comparing the challenge serial number from the...

rxrpc: only handle RESPONSE during service challenge

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rxrpc: Fix key reference count leak from call->key

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rxrpc: Fix call removal to use RCU safe deletion

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rxrpc: reject undecryptable rxkad response tickets

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rxrpc: Only put the call ref if one was acquired

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EUVD-2026-25643

In the Linux kernel, the following vulnerability has been resolved: rxrpc: only handle RESPONSE during service challenge Only process RESPONSE packets while the service connection is still in RXRPCCONNSERVICECHALLENGING. Check that state under statelock before running response verification and...

CVE-2026-31676 rxrpc: only handle RESPONSE during service challenge

In the Linux kernel, the following vulnerability has been resolved: rxrpc: only handle RESPONSE during service challenge Only process RESPONSE packets while the service connection is still in RXRPCCONNSERVICECHALLENGING. Check that state under statelock before running response verification and...

CVE-2026-31676

In the Linux kernel, the following vulnerability has been resolved: rxrpc: only handle RESPONSE during service challenge Only process RESPONSE packets while the service connection is still in RXRPCCONNSERVICECHALLENGING. Check that state under statelock before running response verification and...

[SECURITY] Fedora 44 Update: qt6-qtgrpc-6.10.3-1.fc44

Protocol Buffers Protobuf is a cross-platform data format used to serialize structured data. gRPC provides a remote procedure call framework based on Protobuf. Qt provides tooling and classes to use these technologies...

SUSE CVE-2026-31636

In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix RESPONSE authenticator parser OOB read rxgkverifyauthenticator copies authlen bytes into a temporary buffer and then passes p + authlen as the parser limit to rxgkdoverifyauthenticator. Since p is a be32 , that inflate...

SUSE CVE-2026-31640

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix use of wrong skb when comparing queued RESP challenge serial In rxrpcpostresponse, the code should be comparing the challenge serial number from the cached response before deciding to switch to a newer response, but...

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 improper state checking in the rxrpc service challenge phase. This vulnerability may lead to...

PT-2026-35136

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the RxRPC component where RESPONSE packets were not strictly limited to the service challenge phase. This allowed duplicate or late RESPONSE packets to re-run the setu...

CVE-2026-31638

A flaw was found in the Linux kernel's rxrpc subsystem. This vulnerability occurs when the system processes a packet intended for a client after the client's call on the channel has already been terminated. An attacker could exploit this protocol error path, which improperly handles call...

CVE-2026-31632

A flaw was found in the Linux kernel's rxrpc component. The rxgkverifyresponse function fails to properly clean up the rxgk context it creates, leading to a memory leak. This vulnerability could potentially allow an attacker to cause a Denial of Service DoS by exhausting available memory resource...

CVE-2026-31630

A flaw was found in the Linux kernel, specifically within the rxrpc component. The AFRXRPC procfs helpers use fixed-size buffers to format local and remote socket addresses. When processing certain IPv6 addresses with ports, the formatted string can exceed the buffer's capacity, leading to a buff...

DEBIAN-CVE-2026-31637

In the Linux kernel, the following vulnerability has been resolved: rxrpc: reject undecryptable rxkad response tickets rxkaddecryptticket decrypts the RXKAD response ticket and then parses the buffer as plaintext without checking whether cryptoskcipherdecrypt succeeded. A malformed RESPONSE can...