CVE-2026-43457

medium Red Hat
EPSS Score
0.0%
Exploitation probability in 30 days
Top 93% most likely to be exploited
Published: May 8, 2026 (6 days ago)
Last Modified: May 8, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in the Linux kernel's Management Component Transport Protocol (MCTP) over I2C receive path. When the `midev->allow_rx` flag is false, a newly allocated network buffer (skb) is not properly freed. This memory leak can lead to a gradual exhaustion of system memory, potentially allowing a local attacker to cause a Denial of Service (DoS).

CWE

CWE-772

Affected Products

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

References