What is CVE-2026-43489?

CVE-2026-43489 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-13.

How severe is CVE-2026-43489?

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

Vulnerability in Linux

CVE-2026-43489

In the Linux kernel, the following vulnerability has been resolved: liveupdate: luo_file: remember retrieve() status LUO keeps track of successful retrieve attempts on a LUO file. It does so to avoid multiple retrievals of the same file…

EPSS: 0.001 (1.1th 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 7c722a7f44e0c1f9714084152226bc7bd644b7e3, 6.19, 0
Linux Linux_kernel — versions 7.0

References

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

Frequently asked questions

What is CVE-2026-43489?: CVE-2026-43489 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-13.
How severe is CVE-2026-43489?: Medium severity. CVSS v3 base score is 5.5 out of 10.