Unrated severityNVD Advisory· Published Jan 13, 2026· Updated Feb 9, 2026
tpm: Cap the number of PCR banks
CVE-2025-71077
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.
Affected products
2- Linux/Linuxv5Range: 5.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- git.kernel.org/stable/c/275c686f1e3cc056ec66c764489ec1fe1e51b950mitre
- git.kernel.org/stable/c/858344bc9210bea9ab2bdc7e9e331ba84c164e50mitre
- git.kernel.org/stable/c/8ceee7288152bc121a6bf92997261838c78bfe06mitre
- git.kernel.org/stable/c/b69492161c056d36789aee42a87a33c18c8ed5e1mitre
- git.kernel.org/stable/c/ceb70d31da5671d298bad94ae6c20e4bbb800f96mitre
- git.kernel.org/stable/c/d88481653d74d622d1d0d2c9bad845fc2cc6fd23mitre
- git.kernel.org/stable/c/faf07e611dfa464b201223a7253e9dc5ee0f3c9emitre
News mentions
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