CVE-2026-64153
drm/msm: Fix iommu_map_sgtable() return value check and avoid WARN
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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/
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/3c2cdb7c07f664b77e2a75b50793b845d5742efa
- https://git.kernel.org/stable/c/3e3c3c95ef4fe17231a9149e27bcfc9dae2dd89f
- https://git.kernel.org/stable/c/7256e54583aee21e23929e7554278c2f5c1a08b1
- https://git.kernel.org/stable/c/3457807aeb88077712f0a7cb65c3ca5120773d75
- https://git.kernel.org/stable/c/f4e37f3df436c2bdd2621c21f9c72c8f149a221d
References (7)
CVSS
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