{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-22005", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.803Z", "datePublished": "2025-04-03T07:19:06.716Z", "dateUpdated": "2025-05-04T07:27:16.458Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:27:16.458Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw().\n\nfib_check_nh_v6_gw() expects that fib6_nh_init() cleans up everything\nwhen it fails.\n\nCommit 7dd73168e273 (\"ipv6: Always allocate pcpu memory in a fib6_nh\")\nmoved fib_nh_common_init() before alloc_percpu_gfp() within fib6_nh_init()\nbut forgot to add cleanup for fib6_nh->nh_common.nhc_pcpu_rth_output in\ncase it fails to allocate fib6_nh->rt6i_pcpu, resulting in memleak.\n\nLet's call fib_nh_common_release() and clear nhc_pcpu_rth_output in the\nerror path.\n\nNote that we can remove the fib6_nh_release() call in nh_create_ipv6()\nlater in net-next.git."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv6/route.c"], "versions": [{"version": "7dd73168e273938b9e9bb42ca51b0c27d807992b", "lessThan": "16267a5036173d0173377545b4b6021b081d0933", "status": "affected", "versionType": "git"}, {"version": "7dd73168e273938b9e9bb42ca51b0c27d807992b", "lessThan": "1bd12dfc058e1e68759d313d7727d68dbc1b8964", "status": "affected", "versionType": "git"}, {"version": "7dd73168e273938b9e9bb42ca51b0c27d807992b", "lessThan": "596a883c4ce2d2e9c175f25b98fed3a1f33fea38", "status": "affected", "versionType": "git"}, {"version": "7dd73168e273938b9e9bb42ca51b0c27d807992b", "lessThan": 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El commit 7dd73168e273 (\"ipv6: Asignar siempre memoria pcpu en un fib6_nh\") movi\u00f3 fib_nh_common_init() antes de alloc_percpu_gfp() dentro de fib6_nh_init(), pero olvid\u00f3 a\u00f1adir la limpieza para fib6_nh->nh_common.nhc_pcpu_rth_output en caso de que no se asigne fib6_nh->rt6i_pcpu, lo que resulta en una fuga de memoria. Invoquemos fib_nh_common_release() y borremos nhc_pcpu_rth_output en la ruta de error. Tenga en cuenta que podemos eliminar la llamada a fib6_nh_release() en nh_create_ipv6() m\u00e1s adelante en net-next.git."}], "id": "CVE-2025-22005", "lastModified": "2025-04-10T16:09:50.650", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-04-03T08:15:16.087", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/119dcafe36795a15ae53351cbbd6177aaf94ffef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/16267a5036173d0173377545b4b6021b081d0933"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1bd12dfc058e1e68759d313d7727d68dbc1b8964"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/29d91820184d5cbc70f3246d4911d96eaeb930d6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/596a883c4ce2d2e9c175f25b98fed3a1f33fea38"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/77c41cdbe6bce476e08d3251c0d501feaf10a9f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9740890ee20e01f99ff1dde84c63dcf089fabb98"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d3d5b4b5ae263c3225db363ba08b937e2e2b0380"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw().", "id": "2357129", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2357129"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L", "status": "draft"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw().\nfib_check_nh_v6_gw() expects that fib6_nh_init() cleans up everything\nwhen it fails.\nCommit 7dd73168e273 (\"ipv6: Always allocate pcpu memory in a fib6_nh\")\nmoved fib_nh_common_init() before alloc_percpu_gfp() within fib6_nh_init()\nbut forgot to add cleanup for fib6_nh->nh_common.nhc_pcpu_rth_output in\ncase it fails to allocate fib6_nh->rt6i_pcpu, resulting in memleak.\nLet's call fib_nh_common_release() and clear nhc_pcpu_rth_output in the\nerror path.\nNote that we can remove the fib6_nh_release() call in nh_create_ipv6()\nlater in net-next.git."], "name": "CVE-2025-22005", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "2025-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-22005\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-22005\nhttps://lore.kernel.org/linux-cve-announce/2025040349-CVE-2025-22005-3e0f@gregkh/T"], "threat_severity": "Moderate"}