[SECURITY] Fedora 43 Update: libreswan-5.3.2-2.fc43

Libreswan is a free implementation of IPsec & IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks. Everything passing through the...

SUSE CVE-2026-64389

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

Remote Denial of Service via malformed NIP‑44 v2 payload

The NIP-44 v2 decryption path in the nostr crate contains a reachable panic when processing a short or empty ciphertext. After the HMAC check passes and the ciphertext is decrypted via ChaCha20, the code reads a 2‑byte unpadded‑length prefix via buffer0..2 without first verifying that the decrypt...

CVE-2026-64507

In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flush on BPF JIT memory reuse. Skip enabling the IBPB flush if the BPF...

CVE-2026-64396

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix UAF of struct filelock in SMB2LOCK deferred-lock cancellation When a blocking byte-range lock request is deferred in the FILELOCKDEFERRED path, ksmbd registers the asynchronous work into the connection's asyncrequests...

CVE-2026-64389

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

UBUNTU-CVE-2026-64389

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

UBUNTU-CVE-2026-64507

In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flush on BPF JIT memory reuse. Skip enabling the IBPB flush if the BPF...

CVE-2026-64507 x86/bugs: Enable IBPB flush on BPF JIT allocation

In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flush on BPF JIT memory reuse. Skip enabling the IBPB flush if the BPF...

CVE-2026-64507 x86/bugs: Enable IBPB flush on BPF JIT allocation

In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flush on BPF JIT memory reuse. Skip enabling the IBPB flush if the BPF...

CVE-2026-64507

CVE-2026-64507 : In the Linux kernel, a hardening tied to Spectre-v2 mitigations enables an IBPB flush during BPF JIT allocation/memory reuse when BPF-JIT is in use. The change guards the IBPB enabling under CONFIG_BPF_JIT, and skips enabling if the BPF dispatcher already uses a retpoline sequenc...

CVE-2026-64396 ksmbd: fix UAF of struct file_lock in SMB2_LOCK deferred-lock cancellation

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix UAF of struct filelock in SMB2LOCK deferred-lock cancellation When a blocking byte-range lock request is deferred in the FILELOCKDEFERRED path, ksmbd registers the asynchronous work into the connection's asyncrequests...

CVE-2026-64389 ksmbd: validate NTLMv2 response before updating session key

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

EUVD-2026-48933

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

CVE-2026-64389

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

PT-2026-64610

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ksmbd module where the ksmbd auth ntlmv2 function derives the NTLMv2 session key into sess-sess key before verifying the NTLMv2 response. Subsequently, ksmbd decod...

PT-2026-64604

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMB client. The SMB2 flush function maintains response buffer bookkeeping across replay attempts. If a replayable flush response is received and the...

Linux Distros Unpatched Vulnerability : CVE-2026-64507

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flus...

GHSA-W28W-GP39-M4P6 Prompty: Server-Side Template Injection to Remote Code Execution in the @prompty/core Nunjucks Renderer

Summary The TypeScript Nunjucks renderer evaluated untrusted .prompty template bodies with unrestricted JavaScript member access. An attacker-controlled template could traverse constructor and prototype properties to execute JavaScript in the host Node.js process. Affected packages - npm...

CVE-2026-8308

Improper neutralization of input during web page generation 'cross-site scripting' vulnerability in Polen Media Software and Information Services Website Template allows Reflected XSS. This issue affects Website Template: before v2...