CVE-2025-71077

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/275c686f1e3cc056ec66c764489ec1fe1e51b950	Patch
https://git.kernel.org/stable/c/858344bc9210bea9ab2bdc7e9e331ba84c164e50	Patch
https://git.kernel.org/stable/c/8ceee7288152bc121a6bf92997261838c78bfe06	Patch
https://git.kernel.org/stable/c/b69492161c056d36789aee42a87a33c18c8ed5e1	Patch
https://git.kernel.org/stable/c/ceb70d31da5671d298bad94ae6c20e4bbb800f96	Patch
https://git.kernel.org/stable/c/d88481653d74d622d1d0d2c9bad845fc2cc6fd23	Patch
https://git.kernel.org/stable/c/faf07e611dfa464b201223a7253e9dc5ee0f3c9e	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.1:-::::::
	cpe:2.3:o:linux:linux_kernel:6.19:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.19:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.19:rc3::::::
	cpe:2.3:o:linux:linux_kernel:6.19:rc4::::::
	cpe:2.3:o:linux:linux_kernel:6.19:rc5::::::
	cpe:2.3:o:linux:linux_kernel:6.19:rc6::::::
	cpe:2.3:o:linux:linux_kernel:6.19:rc7::::::
	cpe:2.3:o:linux:linux_kernel:6.19:rc8::::::

History

No history.

Information

Published : 2026-01-13 16:16

Updated : 2026-03-25 19:00

NVD link : CVE-2025-71077

Mitre link : CVE-2025-71077

CVE.ORG link : CVE-2025-71077

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

{"id": "CVE-2025-71077", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2026-01-13T16:16:07.200", "references": [{"url": "https://git.kernel.org/stable/c/275c686f1e3cc056ec66c764489ec1fe1e51b950", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/858344bc9210bea9ab2bdc7e9e331ba84c164e50", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8ceee7288152bc121a6bf92997261838c78bfe06", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b69492161c056d36789aee42a87a33c18c8ed5e1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ceb70d31da5671d298bad94ae6c20e4bbb800f96", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d88481653d74d622d1d0d2c9bad845fc2cc6fd23", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/faf07e611dfa464b201223a7253e9dc5ee0f3c9e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: Cap the number of PCR banks\n\ntpm2_get_pcr_allocation() does not cap any upper limit for the number of\nbanks. Cap the limit to eight banks so that out of bounds values coming\nfrom external I/O cause on only limited harm."}], "lastModified": "2026-03-25T19:00:14.080", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5AFA252E-18DC-485A-A9C3-C5E6770F5D96", "versionEndExcluding": "5.10.248", "versionStartIncluding": "5.1.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "82159CAA-B6BA-43C6-85D8-65BDBC175A7E", "versionEndExcluding": "5.15.198", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C10CC03E-16A9-428A-B449-40D3763E15F6", "versionEndExcluding": "6.1.160", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "43C3A206-5EEE-417B-AA0F-EF8972E7A9F0", "versionEndExcluding": "6.6.120", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "32BF4A52-377C-44ED-B5E6-7EA5D896E98B", "versionEndExcluding": "6.12.64", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2DC484D8-FB4F-4112-900F-AE333B6FE7A7", "versionEndExcluding": "6.18.3", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.1:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D89FA266-EDB9-412A-B18E-1B5A0FCC3C0D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17B67AA7-40D6-4AFA-8459-F200F3D7CFD1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F71D92C0-C023-48BD-B3B6-70B638EEE298"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "13580667-0A98-40CC-B29F-D12790B91BDB"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3EF854A1-ABB1-4E93-BE9A-44569EC76C0D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EB5B7DFC-C36B-45D8-922C-877569FDDF43"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}