SB2026091968 - Out-of-bounds read in Linux kernel huawei hinic3 driver
Published: September 19, 2026
Security Bulletin ID
SB2026091968
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-90145)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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]
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.
Remediation
Install update from vendor's website.