CVE-2026-46188
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: octeon_ep_vf: add NULL check for napi_build_skb() napi_build_skb() can return NULL on allocation failure. In __octep_vf_oq_process_rx(), the result is used directly without a NULL check in both the single-buffer and multi-fragment paths, leading to a NULL pointer dereference. Add NULL checks after both napi_build_skb() calls, properly advancing descriptors and consuming remaining fragments on failure.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 28, 2026
First seenMay 28, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel6.12.88, 6.18.30, 7.0.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.9 ≤ v < 6.12.88, 6.13 ≤ v < 6.18.30, 6.19 ≤ v < 7.0.7 | 6.12.88, 6.18.30, 7.0.7 |
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