What is CVE-2026-46070?

CVE-2026-46070 is a high-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2026-05-27.

How severe is CVE-2026-46070?

High severity. CVSS v3 base score is 7.1 out of 10.

Buffer overflow in Linux

CVE-2026-46070

In the Linux kernel, the following vulnerability has been resolved: md/raid5: validate payload size before accessing journal metadata r5c_recovery_analyze_meta_block() and r5l_recovery_verify_data_checksum_for_mb() iterate over payloads…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (2.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Linux — versions 6.18.27, 5.15.209, 7.1-rc1
Linux Linux_kernel

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

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-2026-46070?: CVE-2026-46070 is a high-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2026-05-27.
How severe is CVE-2026-46070?: High severity. CVSS v3 base score is 7.1 out of 10.