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Status published
Unknown
CVE-2025-71077
tpm: Cap the number of PCR banks
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/8ceee7288152bc121a6bf92997261838c78bfe06
- https://git.kernel.org/stable/c/275c686f1e3cc056ec66c764489ec1fe1e51b950
- https://git.kernel.org/stable/c/ceb70d31da5671d298bad94ae6c20e4bbb800f96
- https://git.kernel.org/stable/c/d88481653d74d622d1d0d2c9bad845fc2cc6fd23
- https://git.kernel.org/stable/c/b69492161c056d36789aee42a87a33c18c8ed5e1
- https://git.kernel.org/stable/c/858344bc9210bea9ab2bdc7e9e331ba84c164e50
- https://git.kernel.org/stable/c/faf07e611dfa464b201223a7253e9dc5ee0f3c9e
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
bcfff8384f6c4e6627676ef07ccad9cfacd67849, 5.1, 0, 5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.64, 6.18.3, 6.19
Timeline
Official Publish:
January 13th, 2026
Last Modified:
June 11th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.