CVE-2026-64153: 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 iommumapsgtable() return value check and avoid WARN
Commit "iommu: return full error code from iommumapsgatomic" changed iommumapsgtable() to return an ssizet and negative values in error cases, rather than a sizet 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/
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch 719685
Event History
Frequently Asked Questions
What is the severity of CVE-2026-64153?
CVE-2026-64153 has a severity rating of high with a CVSS score of 8.8.
How do I fix CVE-2026-64153?
To fix CVE-2026-64153, you should update your Linux kernel to the latest version where this vulnerability has been resolved.
What impact does CVE-2026-64153 have on my system?
CVE-2026-64153 may allow for improper handling of error codes, potentially leading to kernel instability or security issues.
Is CVE-2026-64153 exploitable remotely?
CVE-2026-64153 is not classified as remotely exploitable since it requires local access to the affected system.
When was CVE-2026-64153 published?
CVE-2026-64153 was published on July 19, 2026.