CVE-2025-71077

medium

Description

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.

References

https://git.kernel.org/stable/c/faf07e611dfa464b201223a7253e9dc5ee0f3c9e

https://git.kernel.org/stable/c/d88481653d74d622d1d0d2c9bad845fc2cc6fd23

https://git.kernel.org/stable/c/ceb70d31da5671d298bad94ae6c20e4bbb800f96

https://git.kernel.org/stable/c/b69492161c056d36789aee42a87a33c18c8ed5e1

https://git.kernel.org/stable/c/858344bc9210bea9ab2bdc7e9e331ba84c164e50

Details

Source: Mitre, NVD

Published: 2026-01-13

Updated: 2026-01-14

Risk Information

CVSS v2

Base Score: 6.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018