Vulnerability in Linux

CVE-2026-23415

In the Linux kernel, the following vulnerability has been resolved: futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy() During futex_key_to_node_opt() execution, vma->vm_policy is read under speculative mmap lock and…

EPSS: 0.000 (3.4th 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 c042c505210dc3453f378df432c10fff3d471bc5, 6.16, 0

References

Frequently asked questions

What is CVE-2026-23415?
CVE-2026-23415 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-04-02.
How severe is CVE-2026-23415?
High severity. CVSS v3 base score is 7.8 out of 10.