What is CVE-2026-63813?

CVE-2026-63813 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-07-19.

How severe is CVE-2026-63813?

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

Vulnerability in Linux

CVE-2026-63813

In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: remove non-uptodate folio from the page cache in move_data_block" This reverts commit 9609dd704725a40cd63d915f2ab6c44248a44598. The kernel panics are keep…

EPSS: 0.002 (5.1th 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 5a4d3968cf820686400fc757a4512dcaddd84846, 9609dd704725a40cd63d915f2ab6c44248a44598, 7.0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-63813?: CVE-2026-63813 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-07-19.
How severe is CVE-2026-63813?: High severity. CVSS v3 base score is 7.8 out of 10.