What is CVE-2026-43067?

CVE-2026-43067 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-05-05.

How severe is CVE-2026-43067?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Linux

CVE-2026-43067

In the Linux kernel, the following vulnerability has been resolved: ext4: handle wraparound when searching for blocks for indirect mapped blocks Commit 4865c768b563 ("ext4: always allocate blocks only from groups inode can use") restrict…

EPSS: 0.001 (22.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 321ed8d559c951e71ad2d2d69a4cf0445644e865, 34c803edc0b3365a42efcf9815acab63b4cf54e0, 9d89b9d55e25cb340c5b4b769876edc551b7a9ff
Linux Linux_kernel — versions 6.1.167

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)

Frequently asked questions

What is CVE-2026-43067?: CVE-2026-43067 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-05-05.
How severe is CVE-2026-43067?: Critical severity. CVSS v3 base score is 9.8 out of 10.