CVE-2026-74678
kernel: net: usb: ax88179_178a: fix skb leak in ax88179_tx_fixup()
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 22, 2026
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's ax88179_178a USB network driver. When the network interface has scatter-gather (SG) enabled and a packet linearization operation fails, the system fails to free the associated memory buffer. This oversight leads to a memory leak, which could be exploited by an attacker to cause a denial of service by exhausting system resources.
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-772 · Missing Release of Resource after Effective Lifetime