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...

PT-2026-94893

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the CXL mailbox implementation where a device returning a count of 0 while the CXL POISON FLAG MORE flag remains set causes an infinite do/while loop. Because the nr...

PT-2026-94982

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the CXL mailbox implementation where the out.size parameter is not bounded. When CXL MEM SEND COMMAND is used, the cxl mbox cmd ctor function calls kvzallocout.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...