Unrated
tpm: Cap the number of PCR banks
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.
Announced Source revision 1
Original source ↗CVE-2025-71077
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2025-71077
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
"lessThan": "8ceee7288152bc121a6bf92997261838c78bfe06",
"versionType": "git"
},
{
"status": "affected",
"version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
"lessThan": "275c686f1e3cc056ec66c764489ec1fe1e51b950",
"versionType": "git"
},
{
"status": "affected",
"version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
"lessThan": "ceb70d31da5671d298bad94ae6c20e4bbb800f96",
"versionType": "git"
},
{
"status": "affected",
"version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
"lessThan": "d88481653d74d622d1d0d2c9bad845fc2cc6fd23",
"versionType": "git"
},
{
"status": "affected",
"version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
"lessThan": "b69492161c056d36789aee42a87a33c18c8ed5e1",
"versionType": "git"
},
{
"status": "affected",
"version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
"lessThan": "858344bc9210bea9ab2bdc7e9e331ba84c164e50",
"versionType": "git"
},
{
"status": "affected",
"version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
"lessThan": "faf07e611dfa464b201223a7253e9dc5ee0f3c9e",
"versionType": "git"
}
],
"programFiles": [
"drivers/char/tpm/tpm-chip.c",
"drivers/char/tpm/tpm1-cmd.c",
"drivers/char/tpm/tpm2-cmd.c",
"include/linux/tpm.h"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.1"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.1",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.248",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.198",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.160",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.120",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.64",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.3",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/char/tpm/tpm-chip.c",
"drivers/char/tpm/tpm1-cmd.c",
"drivers/char/tpm/tpm2-cmd.c",
"include/linux/tpm.h"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-71077
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #39138 · Revision 1
- Added to Heist Feed
- Publisher date