CVE-2026-31563

medium Red Hat
EPSS Score
0.0%
Exploitation probability in 30 days
Top 93% most likely to be exploited
Published: April 24, 2026 (20 days ago)
Last Modified: April 24, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in the Linux kernel's macb Ethernet driver. The `napi_consume_skb()` function, which is used for freeing network packet buffers (SKBs), was incorrectly called in an interrupt-disabled context. This improper handling of network packet freeing can lead to a kernel warning and system instability, potentially causing a denial of service.

CWE

CWE-821

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9

References