CVE-2025-71151

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/smb/client/fs_context.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "bc390b2737205163e48cc1655f6a0c8cd55b02fc", "status": "affected", "version": "880a661e67648a3ffe85405e8de5f50650a3c0b2", "versionType": "git"}, {"lessThan": "5679cc90bb5415801fa29041da0319d9e15d295d", "status": "affected", "version": "0e4145774c016530bf99afb3675a1a0593c35642", "versionType": "git"}, {"lessThan": "bb82aaee16907dc4d0b9b0ca7953ceb3edc328c6", "status": "affected", "version": "0f0e357902957fba28ed31bde0d6921c6bd1485d", "versionType": "git"}, {"lessThan": "cb6d5aa9c0f10074f1ad056c3e2278ad2cc7ec8d", "status": "affected", "version": "0f0e357902957fba28ed31bde0d6921c6bd1485d", "versionType": "git"}, {"status": "affected", "version": "674ba43944dab8e8f87434e25d9d10c5152584bc", "versionType": "git"}, {"lessThan": "6.6.120", "status": "affected", "version": "6.6.64", "versionType": "semver"}, {"lessThan": "6.12.64", "status": "affected", "version": "6.12.2", "versionType": "semver"}, {"lessThan": "6.12", "status": "affected", "version": "6.11.11", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/smb/client/fs_context.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.13"}, {"lessThan": "6.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.120", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.64", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.19", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D93B0800-F70A-4F95-928D-1566F203EF6E", "versionEndExcluding": "6.6.120", "versionStartIncluding": "6.6.64", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4CBF5F6E-D446-4CAE-AAA4-413442319824", "versionEndExcluding": "6.12", "versionStartIncluding": "6.11.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4A27D1F6-363F-44C6-A18E-966AFF0CA673", "versionEndExcluding": "6.12.64", "versionStartIncluding": "6.12.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2DC484D8-FB4F-4112-900F-AE333B6FE7A7", "versionEndExcluding": "6.18.3", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*", "matchCriteriaId": "17B67AA7-40D6-4AFA-8459-F200F3D7CFD1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*", "matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix memory and information leak in smb3_reconfigure()\n\nIn smb3_reconfigure(), if smb3_sync_session_ctx_passwords() fails, the\nfunction returns immediately without freeing and erasing the newly\nallocated new_password and new_password2. This causes both a memory leak\nand a potential information leak.\n\nFix this by calling kfree_sensitive() on both password buffers before\nreturning in this error case."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ncifs: Correcci\u00f3n de fuga de memoria e informaci\u00f3n en smb3_reconfigure()\n\nEn smb3_reconfigure(), si smb3_sync_session_ctx_passwords() falla, la funci\u00f3n retorna inmediatamente sin liberar y borrar los reci\u00e9n asignados new_password y new_password2. Esto causa tanto una fuga de memoria como una potencial fuga de informaci\u00f3n.\n\nEsto se corrige llamando a kfree_sensitive() en ambos b\u00faferes de contrase\u00f1a antes de retornar en este caso de error."}], "id": "CVE-2025-71151", "lastModified": "2026-06-17T10:03:45.983", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-01-23T15:16:05.917", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5679cc90bb5415801fa29041da0319d9e15d295d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bb82aaee16907dc4d0b9b0ca7953ceb3edc328c6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bc390b2737205163e48cc1655f6a0c8cd55b02fc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cb6d5aa9c0f10074f1ad056c3e2278ad2cc7ec8d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: cifs: Fix memory and information leak in smb3_reconfigure()", "id": "2432362", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2432362"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-71151", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-01-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-71151\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-71151\nhttps://lore.kernel.org/linux-cve-announce/2026012328-CVE-2025-71151-1a45@gregkh/T"], "threat_severity": "Low"}

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