What is CVE-2026-43484?

CVE-2026-43484 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-13.

How severe is CVE-2026-43484?

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

Vulnerability in Linux

CVE-2026-43484

In the Linux kernel, the following vulnerability has been resolved: mmc: core: Avoid bitfield RMW for claim/retune flags Move claimed and retune control flags out of the bitfield word to avoid unrelated RMW side effects in asynchronous c…

EPSS: 0.001 (1.8th 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 6c0cedd1ef9527ef13e66875746570e76a3188a7, 4.15, 0
Linux Linux_kernel — versions 7.0

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)

Frequently asked questions

What is CVE-2026-43484?: CVE-2026-43484 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-13.
How severe is CVE-2026-43484?: Medium severity. CVSS v3 base score is 5.5 out of 10.