CVE-2025-71077
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
13/01/2026
Last modified:
19/01/2026
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
tpm: Cap the number of PCR banks<br />
<br />
tpm2_get_pcr_allocation() does not cap any upper limit for the number of<br />
banks. Cap the limit to eight banks so that out of bounds values coming<br />
from external I/O cause on only limited harm.
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/275c686f1e3cc056ec66c764489ec1fe1e51b950
- https://git.kernel.org/stable/c/858344bc9210bea9ab2bdc7e9e331ba84c164e50
- https://git.kernel.org/stable/c/8ceee7288152bc121a6bf92997261838c78bfe06
- https://git.kernel.org/stable/c/b69492161c056d36789aee42a87a33c18c8ed5e1
- https://git.kernel.org/stable/c/ceb70d31da5671d298bad94ae6c20e4bbb800f96
- https://git.kernel.org/stable/c/d88481653d74d622d1d0d2c9bad845fc2cc6fd23
- https://git.kernel.org/stable/c/faf07e611dfa464b201223a7253e9dc5ee0f3c9e