CVE-2026-90145 Linux Kernel hinic3 - Out-of-Bounds Read & Data Corruption

Linux kernel hinic3 contains an out-of-bounds read and packet corruption vulnerability caused by stale skb fragment count and ignored skb_checksum_help() errors in hinic3_send_one_skb(), letting attackers cause IOMMU faults or transmit corrupted packets, exploit requires crafted tunnel packets.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.16% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out-of-Bounds Read
Impact
Denial Of Service, Data Tampering
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Published
17 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the hinic3 fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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