What is CVE-2026-31644?

CVE-2026-31644 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-04-24.

How severe is CVE-2026-31644?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2026-31644

In the Linux kernel, the following vulnerability has been resolved: net: lan966x: fix use-after-free and leak in lan966x_fdma_reload() When lan966x_fdma_reload() fails to allocate new RX buffers, the restore path restarts DMA using old d…

EPSS: 0.000 (3.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 89ba464fcf548d64bc7215dfe769f791330ae8b6, 6.12, 0

References

git.kernel.org/stable/c/691082c0b93c13a5e068c0905f673060bddc204e
git.kernel.org/stable/c/92a673019943770930e2a8bfd52e1aad47a1fc1f
git.kernel.org/stable/c/9950e9199b3dfdfbde0b8d96ba947d7b11243801
git.kernel.org/stable/c/59c3d55a946cacdb4181600723c20ac4f4c20c84

Frequently asked questions

What is CVE-2026-31644?: CVE-2026-31644 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-04-24.
How severe is CVE-2026-31644?: High severity. CVSS v3 base score is 7.8 out of 10.