Bug 2367502 (CVE-2025-37935)

Summary:	CVE-2025-37935 kernel: net: ethernet: mtk_eth_soc: fix SER panic with 4GB+ RAM
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	unspecified	CC:	dfreiber, drow, jburrell, vkumar
Target Milestone:	---	Keywords:	Security
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Hardware:	All
OS:	Linux
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
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Description OSIDB Bzimport 2025-05-20 16:01:16 UTC

In the Linux kernel, the following vulnerability has been resolved:

net: ethernet: mtk_eth_soc: fix SER panic with 4GB+ RAM

If the mtk_poll_rx() function detects the MTK_RESETTING flag, it will
jump to release_desc and refill the high word of the SDP on the 4GB RFB.
Subsequently, mtk_rx_clean will process an incorrect SDP, leading to a
panic.

Add patch from MediaTek's SDK to resolve this.

Comment 1 Jon Moroney 2025-05-20 19:08:27 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025052007-CVE-2025-37935-4320@gregkh/T