CVE-2026-64153

Description

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

References

• https://git.kernel.org/stable/c/3457807aeb88077712f0a7cb65c3ca5120773d75
• https://git.kernel.org/stable/c/3a45af37733446e114bf19b0209fe7d8089bdb8b
• https://git.kernel.org/stable/c/3c2cdb7c07f664b77e2a75b50793b845d5742efa
• https://git.kernel.org/stable/c/3e3c3c95ef4fe17231a9149e27bcfc9dae2dd89f
• https://git.kernel.org/stable/c/55e0f0d1c1a4ee1e46da7da4d443eb3044fb3851