What is CVE-2026-45974?

CVE-2026-45974 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-27.

How severe is CVE-2026-45974?

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

Vulnerability in Linux

CVE-2026-45974

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found If btrfs_search_slot_for_read() returns 1, it means we did not find any key greater than or e…

EPSS: 0.001 (2.8th 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 5223cc60b40ae525ae6c94e98824129f1a5b4ae5, ecce1be9f2a366990d0e75dd249fb324e83c34a9, 5.9.7
Linux Linux_kernel — versions 5.10

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

Frequently asked questions

What is CVE-2026-45974?: CVE-2026-45974 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-27.
How severe is CVE-2026-45974?: Medium severity. CVSS v3 base score is 5.5 out of 10.