Memory leak in Linux kernel - CVE-2026-80987
Published: September 12, 2026
Vulnerability identifier: #VU149405
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80987
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to leak memory.
The vulnerability exists due to improper error handling in the NTB transport transmit queue when submitting an oversized transmit buffer. A local user can submit an oversized transmit buffer to leak memory.
Affected software
Linux kernel
How to mitigate CVE-2026-80987
Install security update from vendor's repository.