What’s Vulnerable › Vulnerabilities

CVE-2026-31785: drm/xe/xe_pagefault: Disallow writes to read-only VMAs

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-01 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/xe/xe_pagefault: Disallow writes to read-only VMAs The page fault handler should reject write/atomic access to read only VMAs. Add code to handle this in xe_pagefault_service after the VMA lookup. v2: - Apply max line length (Matthew) (cherry picked from commit 714ee6754ac5fa3dc078856a196a6b124cd797a0)

Affected products

• Linux kernel: from 6.19.1 before 6.19.12; 6.19, 7.0-rc1, 7.0-rc2, 7.0-rc3, 7.0-rc4, 7.0-rc5 (+1) — fixed in 6.19.12

How to fix

Upgrade to a fixed version: Linux kernel 6.19.12. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/6d192b4f2d644d15d9a9f1d33dab05af936f6540
• https://git.kernel.org/stable/c/b656f040ed4ed2074dfb78072745b41d44368be0

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