CVE-2026-23165
MEDIUMCVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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3Description
In the Linux kernel, the following vulnerability has been resolved: sfc: fix deadlock in RSS config read Since cited commit, core locks the net_device's rss_lock when handling ethtool -x command, so driver's implementation should not lock it again. Remove the latter.
Analysis
The Linux kernel's Saffirecode (sfc) driver contains a deadlock vulnerability in RSS configuration reading where the driver attempts to acquire a lock that the kernel's ethtool subsystem has already locked, causing the system to hang. A local user with sufficient privileges can trigger this denial of service condition by executing ethtool RSS configuration commands. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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