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VULNERABILITIES

CVE-2026-97411 Details

Description

In the Linux kernel, the following vulnerability has been resolved: net: ibm: emac: mal: fix potential system hang in mal_remove() napi_disable() is not idempotent and calling it on an already-disabled or unenabled NAPI context will cause the kernel to spin indefinitely waiting for the NAPI_STATE_SCHED bit to clear. In mal_remove(), napi_disable() is called unconditionally. If no MACs were registered, NAPI was never enabled. Also, if they were registered but subsequently unregistered, NAPI was already disabled in mal_unregister_commac(). In either case, calling napi_disable() causes the kernel to hang upon module removal. Fix this by only calling napi_disable() in mal_remove() if the commac list is not empty (which implies NAPI is enabled).

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/7c5d41f87f079990bf241359e3c1332d8d10fe87 kernel.org
https://git.kernel.org/stable/c/c4cb9a728df66c46067b26263f5beb633aae4087 kernel.org
https://git.kernel.org/stable/c/f6c1aad9b35fa083f48ce0c5926204891d82e089 kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-97411
NVD Published Date:
Sep 24, 2026
NVD Last Modified:
Sep 25, 2026
Source:
kernel.org
CVE-2026-97411 Details - Not Deferred