CVE-2026-80987
kernel: NTB: ntb_transport: Reject oversized TX buffers
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 11, 2026
Updated · September 29, 2026
Description
A flaw was found in the Linux kernel's Non-Transparent Bridge (NTB) transport module. When processing oversized transmit (TX) buffers, the system fails to properly free the allocated memory, leading to a memory leak. This continuous leakage of memory could eventually exhaust system resources, resulting in a Denial of Service (DoS) for affected systems.
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