tpm: Cap the number of PCR banks (Linux Linux)

CVE-2025-71077
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.15 % · percentile 4 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

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.

Weaknesses (CWE)

  • CWE-20 — Improper Input Validation

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected bcfff8384f6c4e6627676ef07ccad9cfacd67849 < 8ceee7288152bc121a6bf92997261838c78bfe06 ; affected bcfff8384f6c4e6627676ef07ccad9cfacd67849 < 275c686f1e3cc056ec66c764489ec1fe1e51b950 ; affected bcfff8384f6c4e6627676ef07ccad9cfacd67849 < ceb70d31da5671d298bad94ae6c20e4bbb800f96 ; affected bcfff8384f6c4e6627676ef07ccad9cfacd67849 < d88481653d74d622d1d0d2c9bad845fc2cc6fd23 ; affected bcfff8384f6c4e6627676ef07ccad9cfacd67849 < b69492161c056d36789aee42a87a33c18c8ed5e1 ; affected bcfff8384f6c4e6627676ef07ccad9cfacd67849 < 858344bc9210bea9ab2bdc7e9e331ba84c164e50
Linux · Linuxaffected 5.1 ; unaffected 0 < 5.1 ; unaffected 5.10.248 ≤ 5.10.* ; unaffected 5.15.198 ≤ 5.15.* ; unaffected 6.1.160 ≤ 6.1.* ; unaffected 6.6.120 ≤ 6.6.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD