CVE-2026-64153
Published Jul 19, 2026
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/
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References
Other 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
https://git.kernel.org/stable/c/7256e54583aee21e23929e7554278c2f5c1a08b1
https://git.kernel.org/stable/c/f4e37f3df436c2bdd2621c21f9c72c8f149a221d
Frequently Asked Questions
What is CVE-2026-64153? +
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/
How do I check if I'm vulnerable to CVE-2026-64153? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.