CVE-2025-71273

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: Use devm_kmemdup() in rtw_set_supported_band() Simplify the code by using device managed memory allocations. This also fixes a memory leak in rtw_register_hw(). The supported bands were not freed in the error path. Copied from commit 145df52a8671 ("wifi: rtw89: Convert rtw89_core_set_supported_band to use devm_*").

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/1bd90e0a99fdc8dc5deb3c92bf865e4496b4b311	Patch
https://git.kernel.org/stable/c/2ba12401cc1f2d970fa2e7d5b15abde3f5abd40d	Patch
https://git.kernel.org/stable/c/9b5418070ee8468fac9e8bf641c83d46b85bff30	Patch
https://git.kernel.org/stable/c/ad9b80ee310ed734482a2e5da874b67f88ac0ef8	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::::::::

History

No history.

Information

Published : 2026-05-06 12:16

Updated : 2026-06-17 10:03

NVD link : CVE-2025-71273

Mitre link : CVE-2025-71273

CVE.ORG link : CVE-2025-71273

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

{"id": "CVE-2025-71273", "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}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "e3037485c68ec1a299ff41160d8fedbd4abc29b9", "lessThan": "9b5418070ee8468fac9e8bf641c83d46b85bff30", "versionType": "git"}, {"status": "affected", "version": "e3037485c68ec1a299ff41160d8fedbd4abc29b9", "lessThan": "ad9b80ee310ed734482a2e5da874b67f88ac0ef8", "versionType": "git"}, {"status": "affected", "version": "e3037485c68ec1a299ff41160d8fedbd4abc29b9", "lessThan": "1bd90e0a99fdc8dc5deb3c92bf865e4496b4b311", "versionType": "git"}, {"status": "affected", "version": "e3037485c68ec1a299ff41160d8fedbd4abc29b9", "lessThan": "2ba12401cc1f2d970fa2e7d5b15abde3f5abd40d", "versionType": "git"}], "programFiles": ["drivers/net/wireless/realtek/rtw88/main.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.2"}, {"status": "unaffected", "version": "0", "lessThan": "5.2", "versionType": "semver"}, {"status": "unaffected", "version": "6.12.75", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.16", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.6", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/wireless/realtek/rtw88/main.c"], "defaultStatus": "affected"}]}], "published": "2026-05-06T12:16:27.330", "references": [{"url": "https://git.kernel.org/stable/c/1bd90e0a99fdc8dc5deb3c92bf865e4496b4b311", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2ba12401cc1f2d970fa2e7d5b15abde3f5abd40d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9b5418070ee8468fac9e8bf641c83d46b85bff30", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ad9b80ee310ed734482a2e5da874b67f88ac0ef8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: Use devm_kmemdup() in rtw_set_supported_band()\n\nSimplify the code by using device managed memory allocations.\n\nThis also fixes a memory leak in rtw_register_hw(). The supported bands\nwere not freed in the error path.\n\nCopied from commit 145df52a8671 (\"wifi: rtw89: Convert\nrtw89_core_set_supported_band to use devm_*\")."}], "lastModified": "2026-06-17T10:03:59.443", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "437671D6-F080-41E1-9D82-4F5C7FFB032A", "versionEndExcluding": "6.12.75", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B", "versionEndExcluding": "6.18.16", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "versionStartIncluding": "6.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}