CVE Catalog

CVE-2026-68476

CriticalCVSS 9.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.20%

10th percentile - higher than 10% of all known CVEs

Summary

In the Linux kernel's IPVS, after calling skb_ensure_writable(), which may reallocate skb->head, the IP header pointer was not reloaded, potentially leading to use of a stale pointer.

Risk Assessment

Use of a stale pointer may lead to malfunction or system crash.

Recommendation

Install a kernel patch that reloads the IP header after reallocation.

Original NVD description (English source)

In the Linux kernel, the following vulnerability has been resolved: ipvs: reload ip header after head reallocation __ip_vs_get_out_rt() calls skb_ensure_writable() which may reallocate skb->head.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS