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CVE-2026-64153

HIGHCVSS 8.8/10EPSS 0.14%

Last modified

CVE-2026-64153 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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/. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

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/

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
0.14%

3.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b, < 3c2cdb7c07f664b77e2a75b50793b845d5742efa; >= ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b, < 3e3c3c95ef4fe17231a9149e27bcfc9dae2dd89f; >= ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b, < 7256e54583aee21e23929e7554278c2f5c1a08b1; >= ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b, < 3457807aeb88077712f0a7cb65c3ca5120773d75; >= ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b, < f4e37f3df436c2bdd2621c21f9c72c8f149a221d; >= ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b, < 3a45af37733446e114bf19b0209fe7d8089bdb8b; >= ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b, < 55e0f0d1c1a4ee1e46da7da4d443eb3044fb3851
LinuxLinux5.15

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

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 severe is CVE-2026-64153?
CVE-2026-64153 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2026-64153?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST