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Vulnerability record · CVE-2026-64153 · published 19 July 2026

CVE-2026-64153: Linux kernel vulnerability

Linux · Linux Kernel

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/

8.8 CVSS 3.1 High EPSS 0.18% · top 93.6%
8.8CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References
17 Aug 2026Last modified by NVD

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/

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/3457807aeb88077712f0a7cb65c3ca5120773d75 Patch
https://git.kernel.org/stable/c/3a45af37733446e114bf19b0209fe7d8089bdb8b Patch
https://git.kernel.org/stable/c/3c2cdb7c07f664b77e2a75b50793b845d5742efa Patch
https://git.kernel.org/stable/c/3e3c3c95ef4fe17231a9149e27bcfc9dae2dd89f Patch
https://git.kernel.org/stable/c/55e0f0d1c1a4ee1e46da7da4d443eb3044fb3851 Patch
https://git.kernel.org/stable/c/7256e54583aee21e23929e7554278c2f5c1a08b1 Patch
https://git.kernel.org/stable/c/f4e37f3df436c2bdd2621c21f9c72c8f149a221d Patch

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Source: NIST National Vulnerability Database (record CVE-2026-64153), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.