What is CVE-2026-23459?

CVE-2026-23459 is a high-severity vulnerability in Linux. CVSS score: 8.2/10. Published 2026-04-03.

How severe is CVE-2026-23459?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Linux

CVE-2026-23459

In the Linux kernel, the following vulnerability has been resolved: ip_tunnel: adapt iptunnel_xmit_stats() to NETDEV_PCPU_STAT_DSTATS Blamed commits forgot that vxlan/geneve use udp_tunnel[6]_xmit_skb() which call iptunnel_xmit_stats(). …

EPSS: 0.001 (18.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Linux — versions be226352e8dc77d3313c096b2d8e7f69bf6980fc, 6.14, 0
Linux Linux_kernel — versions 7.0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-23459?: CVE-2026-23459 is a high-severity vulnerability in Linux. CVSS score: 8.2/10. Published 2026-04-03.
How severe is CVE-2026-23459?: High severity. CVSS v3 base score is 8.2 out of 10.