CVE-2022-49168

{"id": "CVE-2022-49168", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2025-02-26T07:00:53.927", "references": [{"url": "https://git.kernel.org/stable/c/8cbc3001a3264d998d6b6db3e23f935c158abd4d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d1cb11fb45ebbb1e7dfe5e9038b32ea72c184b14", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e76c78c48902dae6fa612749f59162bca0a79e0b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: do not clean up repair bio if submit fails\n\nThe submit helper will always run bio_endio() on the bio if it fails to\nsubmit, so cleaning up the bio just leads to a variety of use-after-free\nand NULL pointer dereference bugs because we race with the endio\nfunction that is cleaning up the bio. Instead just return BLK_STS_OK as\nthe repair function has to continue to process the rest of the pages,\nand the endio for the repair bio will do the appropriate cleanup for the\npage that it was given."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: no limpiar la biograf\u00eda de reparaci\u00f3n si falla el env\u00edo El asistente de env\u00edo siempre ejecutar\u00e1 bio_endio() en la biograf\u00eda si falla el env\u00edo, por lo que limpiar la biograf\u00eda solo conduce a una variedad de errores de use-after-free y de desreferencia de puntero NULL porque competimos con la funci\u00f3n endio que est\u00e1 limpiando la biograf\u00eda. En su lugar, solo devuelva BLK_STS_OK ya que la funci\u00f3n de reparaci\u00f3n tiene que continuar procesando el resto de las p\u00e1ginas, y el endio para la biograf\u00eda de reparaci\u00f3n har\u00e1 la limpieza adecuada para la p\u00e1gina que se le dio."}], "lastModified": "2025-03-25T16:13:20.767", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "18F5AF68-F1E7-4C3F-8521-ECDD471EAC43", "versionEndExcluding": "5.16.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "210C679C-CF84-44A3-8939-E629C87E54BF", "versionEndExcluding": "5.17.2", "versionStartIncluding": "5.17"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}