CVE-2026-98146

medium

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Remove __counted_by from struct amdxdna_cmd_chain struct amdxdna_cmd_chain…

Vendor / product: Linux — linux kernel

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Remove __counted_by from struct amdxdna_cmd_chain struct amdxdna_cmd_chain contains a flexible array annotated with __counted_by(command_count). Since the structure is stored in shared AMDXDNA_BO_SHARE memory, userspace can modify command_count concurrently. If command_count is changed to zero, the bounds check generated from __counted_by may fail and trigger a kernel panic. Remove __counted_by to avoid relying on the userspace-controlled command_count for the flexible array bounds check.

CVSS

5.5

5.5 (CVSS v3.1)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity source: NVD CVSS v3.1 (nvd@nist.gov)

Timeline (UTC)

Published: 2026-09-25 11:17

Modified: 2026-10-22 00:45

NVD status: Analyzed

Last synced 2 days ago

Verified against the source API 2026-10-27 06:55 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

linux / linux_kernel ≥6.14 <6.18.53, ≥6.19 <7.2.7, 7.3

Weakness classification (CWE)

CWE-362

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Patch / mitigation: https://git.kernel.org/stable/c/52f3e086760a9a3e02a46a10b57caffd73b1c204

Patch / mitigation: https://git.kernel.org/stable/c/93fa3e925b15b0ded0a549fe7f12bfbb1c4e171a

Patch / mitigation: https://git.kernel.org/stable/c/b3709d354545e70388177500761f92d906c4dfd6

References

https://git.kernel.org/stable/c/52f3e086760a9a3e02a46a10b57caffd73b1c204 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/93fa3e925b15b0ded0a549fe7f12bfbb1c4e171a 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b3709d354545e70388177500761f92d906c4dfd6 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:55 UTC · record ↗

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CVE-2026-98146

Affected products

Weakness classification (CWE)

Mitigation & advisories

References

Data sources

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