CVE-2021-47484: octeontx2-af: Fix possible null pointer dereference.

Severity: medium (CVSS 5.5 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: 2024-05-22 · updated 2026-06-17
Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Fix possible null pointer dereference. This patch fixes possible null pointer dereference in files "rvu_debugfs.c" and "rvu_nix.c"

Affected products

Linux kernel: from 5.5 before 5.14.16; 5.15-rc1, 5.15-rc2, 5.15-rc3, 5.15-rc4, 5.15-rc5, 5.15-rc6 (+1) — fixed in 5.14.16

How to fix

Upgrade to a fixed version: Linux kernel 5.14.16. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/c2d4c543f74c90f883e8ec62a31973ae8807d354
https://git.kernel.org/stable/c/f1e3cd1cc80204fd02b9e9843450925a2af90dc0
https://git.kernel.org/stable/c/c2d4c543f74c90f883e8ec62a31973ae8807d354
https://git.kernel.org/stable/c/f1e3cd1cc80204fd02b9e9843450925a2af90dc0

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