What is CVE-2026-43477?

CVE-2026-43477 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-13.

How severe is CVE-2026-43477?

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

Vulnerability in Linux

CVE-2026-43477

In the Linux kernel, the following vulnerability has been resolved: drm/i915/vrr: Configure VRR timings after enabling TRANS_DDI_FUNC_CTL Apparently ICL may hang with an MCE if we write TRANS_VRR_VMAX/FLIPLINE before enabling TRANS_DDI_F…

EPSS: 0.001 (1.7th 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 dda7dcd9da73c5327aef42b89f0519bb51e84217, 6.16, 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)

Frequently asked questions

What is CVE-2026-43477?: CVE-2026-43477 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-05-13.
How severe is CVE-2026-43477?: Medium severity. CVSS v3 base score is 5.5 out of 10.