DEBIAN-CVE-2026-93186

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: Clamp mailbox output allocation to the payload size CXLMEMSENDCOMMAND bounds the user's in.size to the mailbox payload size but leaves out.size unbounded, then cxlmboxcmdctor calls kvzallocout.size. A large out.size...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cxl/mbox: The payload size is validated before accessing the contents of cxlpayloadfromuserallowed. The cxlpayloadfromuserallowed function casts and dereferences the input payload without first verifying its size. When a raw...

SUSE CVE-2026-23327

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

EUVD-2026-15281

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

CVE-2026-23327

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

UBUNTU-CVE-2026-23327

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

CVE-2026-23327

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

CVE-2026-23327

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

CVE-2026-23327 cxl/mbox: validate payload size before accessing contents in cxl_payload_from_user_allowed()

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

Linux Distros Unpatched Vulnerability : CVE-2026-23327

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload withou...

PT-2026-27692

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.19.0 Description The Linux kernel contains a flaw in the cxl/mbox subsystem. Specifically, the cxl payload from user allowed function casts and dereferences input payload data without first verifying its size...