What is CVE-2026-31475?

CVE-2026-31475 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2026-04-22.

How severe is CVE-2026-31475?

High severity. CVSS v3 base score is 7.8 out of 10.

Double Free in Linux

CVE-2026-31475

In the Linux kernel, the following vulnerability has been resolved: ASoC: sma1307: fix double free of devm_kzalloc() memory A previous change added NULL checks and cleanup for allocation failures in sma1307_setting_loaded(). However, th…

Vulnerability class: Double Free

EPSS: 0.000 (3.3th 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 6.19.11, f8434b8ba437d3f6cbcd9ffe8405bd16ed28fc5c, 6.14.9
Linux Linux_kernel — versions 6.15, 7.0

Weakness classification (CWE)

CWE-415 — Double Free

References

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

Frequently asked questions

What is CVE-2026-31475?: CVE-2026-31475 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2026-04-22.
How severe is CVE-2026-31475?: High severity. CVSS v3 base score is 7.8 out of 10.