High 7.8Published Aug 15, 2026

CVE-2026-72328accel/amdxdna: Fix potential amdxdna_umap lifetime race

Updated under an hour ago (2026-10-19 07:10 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix potential amdxdna_umap lifetime race amdxdna_umap_release() calls the blocking mmu_interval_notifier_remove() before removing the object from abo->mem.umap_list. If aie2_populate_range() runs concurrently, it may obtain a reference to an amdxdna_umap that is being released, leading to a potential use-after-free. Use kref_get_unless_zero() in aie2_populate_range() when acquiring a reference. If the reference count has already dropped to zero, release is in progress and the entry is skipped.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Aug 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from e486147c912f653ef4b60a6c7dbd4168a4c56a9f before 267809e2c56fbea486f7250c8a4acddcc3c54dc5; from e486147c912f653ef4b60a6c7dbd4168a4c56a9f before 91e8109ecffb925b6202d2737384df285b195bfb; from e486147c912f653ef4b60a6c7dbd4168a4c56a9f before 14f172eff9c19f8043a9858845f33cd034f3a41e	CNA record

References

https://git.kernel.org/stable/c/267809e2c56fbea486f7250c8a4acddcc3c54dc5
https://git.kernel.org/stable/c/91e8109ecffb925b6202d2737384df285b195bfb
https://git.kernel.org/stable/c/14f172eff9c19f8043a9858845f33cd034f3a41e

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.