CVE-2020-10720

kernel: use-after-free read in napi_gro_frags() in the Linux kernel

Loading…

Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · December 9, 2019

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel’s implementation of GRO. This flaw allows an attacker with local access to crash the system.

Statement

This issue is rated as having Moderate impact because it appears to be limited to only to a crash.

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

Disabling GSO on the cards using ethtool will prevent this codepath from being taken.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-416 · Use After Free