CVE-2022-50007

{"id": "CVE-2022-50007", "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": "2025-06-18T11:15:28.617", "references": [{"url": "https://git.kernel.org/stable/c/0769491a8acd3e85ca4c3f65080eac2c824262df", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1305d7d4f35ca6f214a2d23b075aa6a924cff3be", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/18e6b6e2555c93f5ca09f2b85ef1fa025c8accea", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/26ad2398fe4984f4f6f930bcb3bc9047fa77265b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/63da7a2bbf3f28094920e0b8a17d2571a9bd842d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8f94b933103ee1bda119543369cc18a1be5536db", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9c9cb23e00ddf45679b21b4dacc11d1ae7961ebe", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d66c052879791313f90c0584420f196a038fb8b8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: fix refcount leak in __xfrm_policy_check()\n\nThe issue happens on an error path in __xfrm_policy_check(). When the\nfetching process of the object `pols[1]` fails, the function simply\nreturns 0, forgetting to decrement the reference count of `pols[0]`,\nwhich is incremented earlier by either xfrm_sk_policy_lookup() or\nxfrm_policy_lookup(). This may result in memory leaks.\n\nFix it by decreasing the reference count of `pols[0]` in that path."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: xfrm: se corrige una fuga de referencias en __xfrm_policy_check(). El problema ocurre en una ruta de error en __xfrm_policy_check(). Cuando falla la obtenci\u00f3n del objeto `pols[1]`, la funci\u00f3n simplemente devuelve 0, olvidando decrementar el recuento de referencias de `pols[0]`, que se incrementa previamente mediante xfrm_sk_policy_lookup() o xfrm_policy_lookup(). Esto puede provocar fugas de memoria. Para solucionarlo, reduzca el recuento de referencias de `pols[0]` en esa ruta."}], "lastModified": "2025-11-14T16:59:00.730", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "69BF1D8A-E6E6-4516-B428-B2DE080FAB1C", "versionEndExcluding": "4.9.327", "versionStartIncluding": "2.6.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "42DF7D19-F259-47AF-8715-288480443B27", "versionEndExcluding": "4.14.292", "versionStartIncluding": "4.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "379F570B-8101-4252-AE1C-B802D441D9B4", "versionEndExcluding": "4.19.257", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BEFFBCD7-9B53-46AB-B3FD-53EAD80FD3E1", "versionEndExcluding": "5.4.212", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A26216A8-920B-4892-A1EB-143451AFFC31", "versionEndExcluding": "5.10.140", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "292F3687-ADC2-4F3D-9710-3BCAD11A52BE", "versionEndExcluding": "5.15.64", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "89E99903-E16D-475D-954B-2BAC46C98262", "versionEndExcluding": "5.19.6", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.19:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9E2DBD4C-9DD9-4DD3-87CB-A0070A789CEA"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.19:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8D97ED16-D6B7-4445-889C-4D6DE2EDC49A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.19:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B2C2D5D4-9A4B-4CDF-8D71-D22EB5E97D5A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.19:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DFFB2843-A867-48EC-97D7-B106C7BBAED0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.19:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3CD3FE23-1A10-47E6-AD7E-D67F1BE3C5E2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.19:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9F39FC76-7D77-4064-94D3-A16C436FA8D1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E8BD11A3-8643-49B6-BADE-5029A0117325"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5F0AD220-F6A9-4012-8636-155F1B841FAD"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}