Vulnerability in Linux

CVE-2026-31439

In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx: xdma: Fix regmap init error handling devm_regmap_init_mmio returns an ERR_PTR() upon error, not NULL. Fix the error check and also fix the error message. Use the error code from ERR_PTR() instead of the wrong value in ret.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (4.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-31439: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions 17ce252266c7f016ece026492c45838f852ddc79, 6.3, 0
  • Linux Kernel — versions 7.0

References

Frequently asked questions

What is CVE-2026-31439?
CVE-2026-31439 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-04-22.
How severe is CVE-2026-31439?
Medium severity. CVSS v3 base score is 5.5 out of 10.