CVE-2026-31784
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Clear Restart Flag in PXP Start Function in Linux Kernel

Publication date: 2026-05-01

Last updated on: 2026-05-01

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/xe/pxp: Clear restart flag in pxp_start after jumping back If we don't clear the flag we'll keep jumping back at the beginning of the function once we reach the end. (cherry picked from commit 0850ec7bb2459602351639dccf7a68a03c9d1ee0)
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Meta Information
Published
2026-05-01
Last Modified
2026-05-01
Generated
2026-06-16
AI Q&A
2026-05-01
EPSS Evaluated
2026-06-14
NVD
CVE-2026-31784
EUVD
EUVD-2026-26597
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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Exploitability
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability exists in the Linux kernel within the drm/xe/pxp component. It involves a restart flag in the pxp_start function that is not cleared after jumping back to the beginning of the function. If the flag is not cleared, the function will keep jumping back repeatedly, potentially causing unintended behavior.

Impact Analysis

If the restart flag is not cleared, the function pxp_start may enter an infinite loop or repeatedly jump back to its start. This could lead to system instability, degraded performance, or denial of service conditions within the Linux kernel's graphics processing components.

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