UBUNTU-CVE-2026-53294

In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: don't free the reused channel The RX channel can be aliased to the TX channel if it has a different MMIO. This special case needs to be handled when freeing the channels otherwise a double-free occurs...

UBUNTU-CVE-2026-53296

In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: free channels on probe error On probe error, free the previously obtained channels. This not only prevents a leak, but also UAF scenarios because the client structure will be removed nonetheless because it...

CVE-2026-53296 mailbox: mailbox-test: free channels on probe error

In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: free channels on probe error On probe error, free the previously obtained channels. This not only prevents a leak, but also UAF scenarios because the client structure will be removed nonetheless because it...

EUVD-2026-39901

In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: free channels on probe error On probe error, free the previously obtained channels. This not only prevents a leak, but also UAF scenarios because the client structure will be removed nonetheless because it...

CVE-2026-53296

In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: free channels on probe error On probe error, free the previously obtained channels. This not only prevents a leak, but also UAF scenarios because the client structure will be removed nonetheless because it...

CVE-2026-53296

CVE-2026-53296 is addressed in OSV entries for Root OS products, noting that the vulnerability in the rootio-linux component was patched in Ubuntu 22.04, Ubuntu 24.04, and Debian-based Root builds. Multiple fixed versions are available per the OSV records. The Debian/Ubuntu rootio-linux remediati...

CVE-2026-53294

In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: don't free the reused channel The RX channel can be aliased to the TX channel if it has a different MMIO. This special case needs to be handled when freeing the channels otherwise a double-free occurs...

PT-2026-52935

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the mailbox-test component where channels are not freed during a probe error. This failure to release resources leads to a memory leak and creates Use-After-Free UAF...

EUVD-2026-31392

golang.org/x/crypto/ssh: Invoking memory leak when rejecting channels can lead to DoS...

golang.org/x/crypto: Invoking memory leak when rejecting channels can lead to DoS

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for...

CVE-2026-2299

The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership...

EUVD-2026-39540

The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership...

CVE-2026-2299

CVE-2026-2299 affects the Mattermost Google Drive plugin prior to version 1.1.0. The file creation endpoint does not validate channel membership, allowing authenticated users with a connected Google account to share Google Drive files into unauthorized private channels and disclose private channe...

CVE-2026-2299 Improper Access Control in Mattermost Google Drive Plugin File Creation Endpoint

The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership...

CVE-2026-2299

The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership...

CVE-2026-2299 Improper Access Control in Mattermost Google Drive Plugin File Creation Endpoint

The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership...

PT-2026-52566

Name of the Vulnerable Software and Affected Versions Mattermost Google Drive plugin versions prior to 1.1.0 Description An improper access control issue exists where the plugin fails to validate channel membership in the file creation endpoint. This allows authenticated users with a connected...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Staging: greybus: lights: Avoid dereferencing NULL values. The gblightslightconfig function stores the channelcount before allocating the channels array. If kcalloc fails, gblightsrelease iterates over the non-zero count and...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: comedi: multiq3: Sanitize configuration options in multiq3attach Syzbot identified an issue 1 in multiq3attach, which can cause a task timeout due to open or COMEDIDEVCONFIG ioctl operations, specifically, in the case of the...

EUVD-2026-38466

NanoClaw before 2.1.0 contains a privilege escalation vulnerability in the channel-registration approval flow where handleChannelApprovalResponse fails to validate admin privileges over target agent groups. Scoped admins can submit forged or stale connect callback values to wire messaging channel...