grant-table: version change racing with other operations

ISSUE DESCRIPTION With the introduction of Grant Table v2 came the requirement to be able to switch between versions. Switching from v1 to v2 reduces the number of valid grant references, as a bigger shared entry structure is then needed while the shared table doesn't change size. Switching from ...

PT-2026-65461

Name of the Vulnerable Software and Affected Versions The product name cannot be determined. affected versions not specified Description Certain operations that may take excessively long and require preemption have been identified as problematic. Due to the high cost of addressing these issues, t...

CVE-2026-63762 SurrealDB before v2.6.1 Denial of Service via scripting

SurrealDB before v2.6.1 and before v3.0.0-beta.3 contains a denial of service vulnerability in its embedded JavaScript scripting engine, which is enabled via the --allow-scripting capability disabled by default. Any user able to execute arbitrary queries — including unauthenticated guests when...

EUVD-2026-45933

SurrealDB before v2.6.1 and before v3.0.0-beta.3 contains a denial of service vulnerability in its embedded JavaScript scripting engine, which is enabled via the --allow-scripting capability disabled by default. Any user able to execute arbitrary queries — including unauthenticated guests when...

Madison Square Garden Kept a List of Gay Celebrities

An MSG database tracked and categorized hundreds of celebs, famous Knicks superfans, and even some of Taylor Swift’s wedding guests. Labels included “LGBTQIA,” “DO NOT HOST,” and low to high “risk.”...

RLSA-2026:36721 Moderate: edk2 security, bug fix, and enhancement update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap CVE-2025-9230 Bug Fixes and Enhancements: FJ8.10 Bug How to Updat...

edk2 security, bug fix, and enhancement update

An update is available for edk2. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list EDK Embedded Development Kit is a project to enable UEFI support for Virtual...

RockyLinux 8 : edk2 (RLSA-2026:36721)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:36721 advisory. openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap CVE-2025-9230 Bug Fixes and Enhancements: FJ8.10 Bug How to Update Secure Boot Certificates with...

Moderate: Red Hat Security Advisory: edk2 security, bug fix, and enhancement update

An update for edk2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

ALSA-2026:36721 Moderate: edk2 security, bug fix, and enhancement update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap CVE-2025-9230 Bug Fixes and Enhancements: FJ8.10 Bug How to Updat...

Moderate: edk2 security, bug fix, and enhancement update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap CVE-2025-9230 Bug Fixes and Enhancements: FJ8.10 Bug How to Updat...

VulnCheck KEV: CVE-2023-39361

Cacti is an open source operational monitoring and fault management framework. Affected versions are subject to a SQL injection discovered in graphview.php. Since guest users can access graphview.php without authentication by default, if guest users are being utilized in an enabled state, there...

CVE-2026-53345

CVE-2026-53345 affects the Linux kernel KVM implementation. The issue arises when marking a guest page dirty: a warning is emitted about not having a running vCPU unless the VM’s refcount is non-zero, which could leak memory for SEV-ES guests. Connected advisories show Debian/Ubuntu/RootOS patche...

CVE-2026-9539

An out-of-bounds heap read and integer underflow in the TCP urgent data handling sosendoob in freedesktop.org libslirp version before v4.9.2 on hypervisor host environments e.g., QEMU allows a privileged guest VM attacker root or CAPNETRAW to leak gigabytes of sensitive host-process heap memory v...

CVE-2026-9539 libslirp TCP URG OOB Read Information Leak

An out-of-bounds heap read and integer underflow in the TCP urgent data handling sosendoob in freedesktop.org libslirp version before v4.9.2 on hypervisor host environments e.g., QEMU allows a privileged guest VM attacker root or CAPNETRAW to leak gigabytes of sensitive host-process heap memory v...

CVE-2026-8823

Mattermost versions 11.7.x = 11.7.0, 10.11.x = 10.11.17 fail to validate bot targets when demoting users to guests which allows a lower-privileged administrator to degrade arbitrary bot accounts via the standard demote-user API.. Mattermost Advisory ID: MMSA-2026-00669...

CVE-2026-8823 User Manager can demote bot accounts to guest without bot-management permission

Mattermost versions 11.7.x = 11.7.0, 10.11.x = 10.11.17 fail to validate bot targets when demoting users to guests which allows a lower-privileged administrator to degrade arbitrary bot accounts via the standard demote-user API.. Mattermost Advisory ID: MMSA-2026-00669...

CVE-2026-8823

Mattermost versions 11.7.x = 11.7.0, 10.11.x = 10.11.17 fail to validate bot targets when demoting users to guests which allows a lower-privileged administrator to degrade arbitrary bot accounts via the standard demote-user API.. Mattermost Advisory ID: MMSA-2026-00669...

PT-2026-51345

Name of the Vulnerable Software and Affected Versions Mattermost version 11.7.0 Mattermost version 10.11.17 Description Insufficient validation of bot targets occurs when demoting users to guests. This allows a lower-privileged administrator to degrade arbitrary bot accounts through the...

x86: mismatched mapcache metadata

ISSUE DESCRIPTION Some shadow paging errors paths will switch the page-tables without updating the currently running vCPU reference. This causes a mismatch between the loaded page-tables and the mapcache metadata which can lead to corruption of the mapcache. IMPACT Privilege escalation, Denial of...