Use After Free in Linux

CVE-2026-46120

In the Linux kernel, the following vulnerability has been resolved: ip6_gre: Use cached t->net in ip6erspan_changelink(). After commit 5e72ce3e3980 ("net: ipv6: Use link netns in newlink() of rtnl_link_ops"), ip6erspan_newlink() correctl…

Vulnerability class: Use-After-Free

EPSS: 0.001 (2.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Linux — versions 6.6.140, 6.18.30, 2d665034f239412927b1e71329f20f001c92da09
  • Linux Linux_kernel — versions 4.17, 7.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-46120?
CVE-2026-46120 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2026-05-28.
How severe is CVE-2026-46120?
High severity. CVSS v3 base score is 7.8 out of 10.