Vulnerability in Linux

CVE-2025-71077

In the Linux kernel, the following vulnerability has been resolved: tpm: Cap the number of PCR banks tpm2_get_pcr_allocation() does not cap any upper limit for the number of banks. Cap the limit to eight banks so that out of bounds values coming from external I/O cause on only limited harm.

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: 0.001 (3.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.1% 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-2025-71077: held from 0.001 to 0.001.

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

Affected products

  • Linux — versions bcfff8384f6c4e6627676ef07ccad9cfacd67849, 5.1, 0
  • Linux Kernel — versions 5.1, 6.19

References

Frequently asked questions

What is CVE-2025-71077?
CVE-2025-71077 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-01-13.
How severe is CVE-2025-71077?
Medium severity. CVSS v3 base score is 5.5 out of 10.