CVE-2026-98585None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: eth: fbnic: Avoid rounding zero ring sizes roundup_pow_of_two() is undefined for zero. ethtool permits a zero ring size to reach the driver, where the minimum-size che…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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In the Linux kernel, the following vulnerability has been resolved:
eth: fbnic: Avoid rounding zero ring sizes
roundup_pow_of_two() is undefined for zero. ethtool permits a zero ring size to reach the driver, where the minimum-size check should reject it.
Leave zero unchanged while rounding nonzero ring sizes. The minimum-size check then rejects zero deterministically without changing the established behavior for other values.
Linux >= 6cbf18a05c06090d867ef417a2a30b214d42d171 < 92c9f2ea634d92adff5403d231ebeda683c5685aLinux >= 6cbf18a05c06090d867ef417a2a30b214d42d171 < 491aa3167ae02f219cb2d2de6f4196d28dca03beLinux >= 6cbf18a05c06090d867ef417a2a30b214d42d171 < 0160953d8eec75c3c55562158c46442ff1fd410bLinux 6.15Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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