What’s Vulnerable › Vulnerabilities

CVE-2026-43498: accel/ivpu: Disallow re-exporting imported GEM objects

• Severity: high (CVSS 7.8 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: 2026-05-21 · updated 2026-07-23
• Weakness: CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Disallow re-exporting imported GEM objects Prevent re-exporting of imported GEM buffers by adding a custom prime_handle_to_fd callback that checks if the object is imported and returns -EOPNOTSUPP if so. Re-exporting imported GEM buffers causes loss of buffer flags settings, leading to incorrect device access and data corruption.

Affected products

• Linux kernel: from 6.19 before 7.0.7; 7.1-rc1, 7.1-rc2 — fixed in 7.0.7

How to fix

Upgrade to a fixed version: Linux kernel 7.0.7. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3756043dd695bba34cc728cdc5688dcb49ac8043
• https://git.kernel.org/stable/c/7dd57d7a6350770dfc283287125c409e995200e0

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