CVE-2026-64153 is a vulnerability in Linux Kernel
Published on July 19, 2026
drm/msm: Fix iommu_map_sgtable() return value check and avoid WARN
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/
Products Associated with CVE-2026-64153
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Affected Versions
Linux:- Version ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and below 3c2cdb7c07f664b77e2a75b50793b845d5742efa is affected.
- Version ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and below 3e3c3c95ef4fe17231a9149e27bcfc9dae2dd89f is affected.
- Version ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and below 7256e54583aee21e23929e7554278c2f5c1a08b1 is affected.
- Version ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and below 3457807aeb88077712f0a7cb65c3ca5120773d75 is affected.
- Version ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and below f4e37f3df436c2bdd2621c21f9c72c8f149a221d is affected.
- Version ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and below 3a45af37733446e114bf19b0209fe7d8089bdb8b is affected.
- Version ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and below 55e0f0d1c1a4ee1e46da7da4d443eb3044fb3851 is affected.
- Version 5.15 is affected.
- Before 5.15 is unaffected.
- Version 5.15.209, <= 5.15.* is unaffected.
- Version 6.1.175, <= 6.1.* is unaffected.
- Version 6.6.142, <= 6.6.* is unaffected.
- Version 6.12.92, <= 6.12.* is unaffected.
- Version 6.18.34, <= 6.18.* is unaffected.
- Version 7.0.11, <= 7.0.* is unaffected.
- Version 7.1, <= * is unaffected.