CVE-2026-64153

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the drm/msm component where the return value of the iommu map sgtable() function is not correctly handled. Following a change where iommu map sgtable() was updated to return an ssize t (a signed size type) and negative values for error cases instead of a size t (an unsigned size type) and zero, the system fails to store the return value in the appropriate type. This leads to an incorrect error check and triggers a WARN message instead of returning the error code.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.