Riskcovery

CVE-2025-71077

tpm: Cap the number of PCR banks

State
Published
Severity
Not scored
Published
Jan 13, 2026
Updated
Oct 19, 2026
Reserved
Jan 13, 2026

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

  • CWE-20 Improper Input Validation

Affected Products

ProductVersions
LinuxLinux
  • bcfff8384f6c4e6627676ef07ccad9cfacd67849 to before 8ceee7288152bc121a6bf92997261838c78bfe06Affected
  • bcfff8384f6c4e6627676ef07ccad9cfacd67849 to before 275c686f1e3cc056ec66c764489ec1fe1e51b950Affected
  • bcfff8384f6c4e6627676ef07ccad9cfacd67849 to before ceb70d31da5671d298bad94ae6c20e4bbb800f96Affected
  • bcfff8384f6c4e6627676ef07ccad9cfacd67849 to before d88481653d74d622d1d0d2c9bad845fc2cc6fd23Affected
  • bcfff8384f6c4e6627676ef07ccad9cfacd67849 to before b69492161c056d36789aee42a87a33c18c8ed5e1Affected
  • bcfff8384f6c4e6627676ef07ccad9cfacd67849 to before 858344bc9210bea9ab2bdc7e9e331ba84c164e50Affected
  • bcfff8384f6c4e6627676ef07ccad9cfacd67849 to before faf07e611dfa464b201223a7253e9dc5ee0f3c9eAffected
LinuxLinux
  • 5.1Affected
  • before 5.1Not affected
  • 5.10.248 through 5.10.*Not affected
  • 5.15.198 through 5.15.*Not affected
  • 6.1.160 through 6.1.*Not affected
  • 6.6.120 through 6.6.*Not affected
  • 6.12.64 through 6.12.*Not affected
  • 6.18.3 through 6.18.*Not affected
  • 6.19 and laterNot affected

References

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