Out-of-bounds read in Linux kernel - CVE-2026-90145
Published: September 19, 2026
Vulnerability identifier: #VU151336
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90145
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to trigger IOMMU faults.
The vulnerability exists due to a stale skb fragment count in hinic3_send_one_skb() TX descriptor construction when processing unsupported tunnel packets that require checksum fallback. A local user can send a specially crafted unsupported tunnel packet to trigger IOMMU faults.
Affected software
Linux kernel
How to mitigate CVE-2026-90145
Install security update from vendor's repository.