Unchecked Return Value in Linux kernel - CVE-2026-90145
Published: September 19, 2026
Vulnerability identifier: #VU151337
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90145
CWE-ID: CWE-252
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to transmit packets with incomplete checksums.
The vulnerability exists due to an unchecked return value in hinic3_tx_csum() when checksum calculation fails for unsupported tunnel packets. A local user can submit an unsupported tunnel packet for checksum processing to transmit packets with incomplete checksums.
Affected software
Linux kernel
How to mitigate CVE-2026-90145
Install security update from vendor's repository.