Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-64153

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
19/07/2026
Last modified:
20/07/2026

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/msm: Fix iommu_map_sgtable() return value check and avoid WARN<br /> <br /> Commit "iommu: return full error code from iommu_map_sg[_atomic]()"<br /> changed iommu_map_sgtable() to return an ssize_t and negative values<br /> in error cases, rather than a size_t and a zero.<br /> <br /> Store the return value in the appropriate type and in case of error,<br /> return it rather than WARNing.<br /> <br /> Patchwork: https://patchwork.freedesktop.org/patch/719685/

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH

References to Advisories, Solutions, and Tools