CVE-2026-72331: accel/amdxdna: Fix VMA access race

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-15 · updated 2026-10-15

Description

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix VMA access race aie2_populate_range() and amdxdna_umap_release() access a saved VMA pointer that may have already been freed, leading to a potential use-after-free. Remove the VMA accesses from these functions to avoid the race.

Affected products

Linux kernel: 6.16 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/1ba02717e821cf14ece642273958647e79698d3d
https://git.kernel.org/stable/c/3dd12422653ad4bbbebe33c49c67dba4c653c804
https://git.kernel.org/stable/c/bea20225c67fed9be3e98619c77af6ee3f43fe07

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