CVE-2024-27030: octeontx2-af: Use separate handlers for interrupts

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-01 · updated 2026-08-04
Weakness: CWE-362

Description

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Use separate handlers for interrupts For PF to AF interrupt vector and VF to AF vector same interrupt handler is registered which is causing race condition. When two interrupts are raised to two CPUs at same time then two cores serve same event corrupting the data.

Affected products

Debian Linux: 10.0
Linux kernel: from 4.20 before 5.4.273; from 5.5 before 5.10.214; from 5.11 before 5.15.153; from 5.16 before 6.1.83; from 6.2 before 6.6.23; from 6.7 before 6.7.11 — fixed in 5.10.214, 5.15.153, 5.4.273, 6.1.83, 6.6.23, 6.7.11

How to fix

Upgrade to a fixed version: Linux kernel 5.10.214, 5.15.153, 5.4.273, 6.1.83. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2024-27030 or the next vulnerability affects your stack