CVE-2026-64283

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Treat memslot binding offset+size as unsigned values When binding a memslot to a guestmemfd file, treat the offset and size as unsigned values to fix a bug where the sum of the two can result in a false negative...

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...

CVE-2026-64283

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Treat memslot binding offset+size as unsigned values When binding a memslot to a guestmemfd file, treat the offset and size as unsigned values to fix a bug where the sum of the two can result in a false negative...

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...

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...

CVE-2026-64389

Summary: CVE-2026-64389 affects the Linux kernel KSMD (ksmbd) SMB3 multichannel binding path. The code derives the NTLMv2 session key into sess->sess_key during ksmbd_auth_ntlmv2(), before validating the NTLMv2 response. If authentication fails, the subsequent KEY_XCH step may still use the (p...

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-2026-48995

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Treat memslot binding offset+size as unsigned values When binding a memslot to a guestmemfd file, treat the offset and size as unsigned values to fix a bug where the sum of the two can result in a false negative...

CVE-2026-64283

The CVE-2026-64283 issue affects the Linux kernel KVM guest_memfd binding: binding a memslot to a guest_memfd could overflow when computing offset+size due to signed interpretation. The bug arises because offset and size were not treated as unsigned values, risking a negative sum that could bypas...

CVE-2026-64283

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Treat memslot binding offset+size as unsigned values When binding a memslot to a guestmemfd file, treat the offset and size as unsigned values to fix a bug where the sum of the two can result in a false negative...

CVE-2026-64283 KVM: guest_memfd: Treat memslot binding offset+size as unsigned values

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Treat memslot binding offset+size as unsigned values When binding a memslot to a guestmemfd file, treat the offset and size as unsigned values to fix a bug where the sum of the two can result in a false negative...

CVE-2026-64283: Integer Overflow or Wraparound

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Treat memslot binding offset+size as unsigned values When binding a memslot to a guestmemfd file, treat the offset and size as unsigned values to fix a bug where the sum of the two can result in a false negative...

CVE-2026-64389: Undefined Security Weakness

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...

Linux Distros Unpatched Vulnerability : CVE-2026-64389

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2...

CVE-2026-64283: Integer Overflow or Wraparound

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Treat memslot binding offset+size as unsigned values When binding a memslot to a guestmemfd file, treat the offset and size as unsigned values to fix a bug where the sum of the two can result in a false negative...

Linux Distros Unpatched Vulnerability : CVE-2026-46600

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer. CVE-2026-46600 Note that Nessus relies on the...

Budibase: Chat-Link Handoff Identity Confusion (Same-Tenant Account-Link CSRF)

Summary The Budibase AI chat-link handoff flow GET/POST /api/chat-links/:instance/:token/handoff binds an external chat identity Slack/Discord/MS Teams/Telegram to a Budibase user account. The confirmation endpoint is on a public route no CSRF middleware, no auth-group gate and the only credentia...

EUVD-2026-42630

Open WebUI: Private channel messages can be disclosed through cross-channel thread parentid binding...

GHSA-73X5-H92W-XC2J Open WebUI: Private channel messages can be disclosed through cross-channel thread parent_id binding

Summary A normal authenticated user can read the content of a message in a private channel they do not belong to. GET /api/v1/channels/id/messages/messageid/thread authorizes the caller against the URL channel, but the underlying thread lookup loads the thread parent by id and returns it without...