What is CVE-2026-46164?

CVE-2026-46164 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.0/10. Published 2026-05-28.

How severe is CVE-2026-46164?

High severity. CVSS v3 base score is 7.0 out of 10.

Double Free in Linux

CVE-2026-46164

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix double free in create_space_info_sub_group() error path When kobject_init_and_add() fails, the call chain is: create_space_info_sub_group() -> btrfs_sysfs_ad…

Vulnerability class: Double Free

EPSS: 0.001 (3.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 7.1, 6.6.122, 6.12.67
Linux Linux_kernel

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

Frequently asked questions

What is CVE-2026-46164?: CVE-2026-46164 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.0/10. Published 2026-05-28.
How severe is CVE-2026-46164?: High severity. CVSS v3 base score is 7.0 out of 10.