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Vulnerabilities CVE-2026-46105

CVE-2026-46105

High
Open
TLP:CLEAR

scsi: mpt3sas: Limit NVMe request size to 2 MiB

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Description

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Limit NVMe request size to 2 MiB The HBA firmware reports NVMe MDTS values based on the underlying drive capability. However, because the driver allocates a fixed 4K buffer for the PRP list, accommodating at most 512 entries, the driver supports a maximum I/O transfer size of 2 MiB. Limit max_hw_sectors to the smaller of the reported MDTS and the 2 MiB driver limit to prevent issuing oversized I/O that may lead to a kernel oops.

Details

CVSS Score
7.8
EPSS Score
0.13%

2.8th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
May 28, 2026
Last Modified
Aug 5, 2026
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