What is CVE-2026-53288?

CVE-2026-53288 is a medium-severity vulnerability in Linux, classified under Uncontrolled Recursion. CVSS score: 5.5/10. Published 2026-06-26.

How severe is CVE-2026-53288?

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

Vulnerability in Linux

CVE-2026-53288

In the Linux kernel, the following vulnerability has been resolved: arm64: Reserve an extra page for early kernel mapping The final part of [data, end) segment may overflow into the next page of init_pg_end[1] which is the gap page befor…

EPSS: 0.001 (2.3th 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 fdd380a5950503a07aaaf74536a0c2f223475eb0, 5973a62efa34c80c9a4e5eac1fca6f6209b902af, 88025faf2aa08c7468d68d8cb31a53b55aae6ee0
Linux Linux_kernel — versions 7.1

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

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)

Frequently asked questions

What is CVE-2026-53288?: CVE-2026-53288 is a medium-severity vulnerability in Linux, classified under Uncontrolled Recursion. CVSS score: 5.5/10. Published 2026-06-26.
How severe is CVE-2026-53288?: Medium severity. CVSS v3 base score is 5.5 out of 10.