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High 8.8Published Aug 15, 2026

CVE-2026-74380gpu: host1x: Fix iommu_map_sgtable() return value check

Updated under an hour ago ()

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No exploitation reported and no EPSS estimate yet.

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In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix iommu_map_sgtable() return value check 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. pin_job() also was incorrectly assigning to 'int', which could cause overflows into negative values. Update pin_job() to correctly check for errors from iommu_map_sgtable.

CVSS
8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Linux
NVD analysis
Received
Record last updated
Oct 16, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Linux Linux
linux:linux (from the name)
from ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b before 5f3985c2a500df3126cb12a2e0ccf26a40bc495d; from ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b before 3ac173e46ef6fda9c9df8d47cdff4df962df9728; from ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b before 2a68928c445138961e2c451983b473aeb3f5b999; from ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b before 79240eee5a40014d9edfabe19f06b35ffa84e5f8; from ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b before e024c7993d839503d6c1f0044b8fc537c30300e9; from ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b before 18f74762013a4b6aa6f905c4459e0f506f9c5c7b
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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CVE-2026-74380: gpu: host1x: Fix iommu_map_sgtable() return value check | InfoSec Signals