What is CVE-2026-46238?

CVE-2026-46238 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2026-05-28.

How severe is CVE-2026-46238?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Linux

CVE-2026-46238

In the Linux kernel, the following vulnerability has been resolved: batman-adv: stop caching unowned originator pointers in BAT IV BAT IV keeps the last-hop neighbor address in each neigh_node, but some paths also cache an originator poi…

EPSS: 0.000 (9.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 5.15.209, c6c8fea29769d998d94fcec9b9f14d4b52b349d3, 7.1-rc4

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-46238?: CVE-2026-46238 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2026-05-28.
How severe is CVE-2026-46238?: High severity. CVSS v3 base score is 8.8 out of 10.