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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-46105

scsi: mpt3sas: Limit NVMe request size to 2 MiB

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 9b8b84879d4adc506b0d3944e20b28d9f3f6994b to < 45dcc815fc5539e88154315f36cbcb11d3a52fc2affected
  • 9b8b84879d4adc506b0d3944e20b28d9f3f6994b to < e5f9824817c6358b9f9738bdb92dec9e4e794d3caffected
  • 9b8b84879d4adc506b0d3944e20b28d9f3f6994b to < 04631f55afc543d5431a2bdee7f6cc0f2c0debe7affected

Linux Linux

Default version status: affected

  • 6.17affected
  • 0 to < 6.17unaffected
  • 6.18.30 to ≤ 6.18.*unaffected
  • 7.0.7 to ≤ 7.0.*unaffected
  • 7.1 to ≤ *unaffected

References