CVE-2026-43457

MEDIUM

Linux Kernel MCTP I2C - skb Memory Leak

Title source: manual
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: mctp: i2c: fix skb memory leak in receive path When 'midev->allow_rx' is false, the newly allocated skb isn't consumed by netif_rx(), it needs to free the skb directly.

Scores

CVSS v3 5.5
EPSS 0.0001
EPSS Percentile 2.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (16)
Linux/Linux < 5.18
Linux/Linux 5.18
Linux/Linux 6.1.167 - 6.1.*
Linux/Linux 6.12.78 - 6.12.*
Linux/Linux 6.18.19 - 6.18.*
Linux/Linux 6.19.9 - 6.19.*
Linux/Linux 6.6.130 - 6.6.*
Linux/Linux 7.0
Linux/Linux f5b8abf9fc3dacd7529d363e26fe8230935d65f8 - 0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb
Linux/Linux f5b8abf9fc3dacd7529d363e26fe8230935d65f8 - 1b1be322342a6b0085bf6ee52235e5ac9834ec25
... and 6 more
Published May 08, 2026
Tracked Since May 08, 2026