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VULNERABILITIES

CVE-2026-98492 Details

Description

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix dma_alloc_coherent() leak on macb_alloc() error paths Fix 3 leaks in macb_alloc() error paths: - Tx buffer allocated but crossing a 4G boundary: Tx leaked. - Rx buffer allocation fails: Tx leaked. - Rx buffer allocated but crossing a 4G boundary: Tx & Rx leaked. This is because our error handling calls macb_free(bp) which in turn frees the buffers stored in bp->queues[0], but nothing has been stored in there. Fix by storing allocated buffers into bp->queues[0] ASAP.

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/23d42b9a3bcd55b17d3b371544fedc708c2397e9 kernel.org
https://git.kernel.org/stable/c/259e6cbb6a097da8ced544ee92a6fbde35aa1338 kernel.org
https://git.kernel.org/stable/c/bda487567d0b7b15dfa876511085c0666b9efad5 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-2026-98492
NVD Published Date:
Oct 18, 2026
NVD Last Modified:
Oct 19, 2026
Source:
kernel.org
CVE-2026-98492 Details - Not Deferred