ALSA-2026:47756 Important: openssh security update

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. Security Fixes: openssh: Local MITM of X11 forwarding via abstract UNIX socket pre-binding in AlmaLinux OpenS...

Linux Distros Unpatched Vulnerability : CVE-2026-62428

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy...

FreeBSD-SA-26:50.kqueue

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:50.kqueue Security Advisory The FreeBSD Project Topic: Use-after-free in kqueue copy-on-fork Category: core Module: kqueue Announced: 2026-07-29 Credits:...

FreeBSD -- Use-after-free in kqueue copy-on-fork

Problem Description: While the kernel was copying knotes during fork, a knote with a timer-based filter could fire and be enqueued on the kqueue's active list before the copy was complete. The copy routine did not account for this and could enqueue the new knote a second time, corrupting the acti...

NewStart CGSL MAIN 6.06 : glib2 Multiple Vulnerabilities (NS-SA-2026-0061)

The remote NewStart CGSL host, running version MAIN 6.06, has glib2 packages installed that are affected by multiple vulnerabilities: - filecopyfallback in gio/gfile.c in GNOME GLib 2.15.0 through 2.61.1 does not properly restrict file permissions while a copy operation is in progress. Instead,...

CVE-2026-62428

A flaw was found in Xen. When processing grant-copy operations, a type confusion vulnerability can occur if the grant is already in use by another operation. This can lead to permission checks being performed on an incorrect memory page, potentially allowing an attacker to bypass security...

SUSE CVE-2026-64543

In the Linux kernel, the following vulnerability has been resolved: tipc: fix use-after-free of the discoverer in tipcdiscrcv bearerdisable frees b-disc with tipcdiscdelete's plain kfree, but tipcdiscrcv still dereferences b-disc in RX softirq under rcureadlock tipcudprecv - tipcrcv - tipcdiscrcv...

ALPINE-CVE-2026-62428

When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is "pinned", what is...

CVE-2026-62428

When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is "pinned", what is...

UBUNTU-CVE-2026-62428

When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is "pinned", what is...

CVE-2026-62428

When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is "pinned", what is...

CVE-2026-62428

When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is "pinned", what is...

CVE-2026-62428 grant-table: type confusion in grant-copy

When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is "pinned", what is...

CVE-2026-62428 grant-table: type confusion in grant-copy

When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is "pinned", what is...

CVE-2026-62428

When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is "pinned", what is...

CVE-2026-62428

CVE-2026-62428 describes a type-confusion in grant-copy handling where a grant may be 'pinned' to one operation, causing the permission check and copy operation to reference potentially different guest frames. This could lead to inconsistencies and incorrect permission checks. Documented impact i...

EUVD-2026-49779

When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is "pinned", what is...

CVE-2026-64253

A flaw was found in the Linux kernel. The copyprocess function, responsible for creating new processes, incorrectly inherits a flag PFBLOCKTS from the parent process while simultaneously setting a related pointer current-plug to null in the child process. This inconsistency can lead to the kernel...

grant-table: type confusion in grant-copy

ISSUE DESCRIPTION When grant-copy operations are processed, the respective grant may or may not already be in use by another operation a mapping or another copy. For all copy operations the referenced guest frame is looked up. When another operation is already active for the grant the grant is...

CVE-2026-64248

A flaw was found in the Linux kernel, specifically affecting systems using the MIPS architecture. During the shutdown process of a CPU, the kernel's internal mechanism responsible for managing concurrent data access Read-Copy Update or RCU is not properly informed that the CPU is no longer active...