CVE-2026-97981
kernel: net: ethernet: cortina: Count dropped frames as NAPI work
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 25, 2026
Updated · September 30, 2026
Description
A flaw was found in the Cortina Gemini Ethernet driver within the Linux kernel. The network packet receive handler fails to count dropped or malformed packets against its processing budget. An attacker could exploit this vulnerability by sending a stream of invalid network frames, causing the system to consume excessive processor resources and leading to a Denial of Service (DoS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-770 · Allocation of Resources Without Limits or Throttling