What is CVE-2026-53154?

CVE-2026-53154 is a medium-severity vulnerability in Linux, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.5/10. Published 2026-06-25.

How severe is CVE-2026-53154?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2026-53154

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: restore reservation on error in hugetlb folio copy paths Two sites in mm/hugetlb.c allocate a hugetlb folio via alloc_hugetlb_folio() (consuming a VMA reserv…

EPSS: 0.001 (2.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 1cb9dc4b475c7418f925ab0c97b6750007d9f52e, 6.4, 0
Linux Linux_kernel — versions 7.1

Weakness classification (CWE)

CWE-772 — Missing Release of Resource after Effective Lifetime

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)

Frequently asked questions

What is CVE-2026-53154?: CVE-2026-53154 is a medium-severity vulnerability in Linux, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.5/10. Published 2026-06-25.
How severe is CVE-2026-53154?: Medium severity. CVSS v3 base score is 5.5 out of 10.