CVE-2022-50077

{"id": "CVE-2022-50077", "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": "2025-06-18T11:15:36.627", "references": [{"url": "https://git.kernel.org/stable/c/11c3627ec6b56c1525013f336f41b79a983b4d46", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2ceeb3296e9dde1d5772348046affcefdea605e2", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3ca40ad7afae144169a43988ef1a3f16182faf0a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/64103ea357734b82384c925cba4758fdb909be0c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d53194707d2a1851be027cd74266b96ceff799d3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ef6fb6f0d0d8440595b45a7e53c6162c737177f4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f4d5c7796571624e3f380b447ada52834270a287", "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\napparmor: fix reference count leak in aa_pivotroot()\n\nThe aa_pivotroot() function has a reference counting bug in a specific\npath. When aa_replace_current_label() returns on success, the function\nforgets to decrement the reference count of \u201ctarget\u201d, which is\nincreased earlier by build_pivotroot(), causing a reference leak.\n\nFix it by decreasing the refcount of \u201ctarget\u201d in that path."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: apparmor: se corrige una fuga de referencias en aa_pivotroot(). La funci\u00f3n aa_pivotroot() presenta un error de conteo de referencias en una ruta espec\u00edfica. Cuando aa_replace_current_label() retorna con \u00e9xito, la funci\u00f3n olvida decrementar el conteo de referencias de \"target\", que se incrementa previamente mediante build_pivotroot(), lo que provoca una fuga de referencias. Para solucionarlo, reduzca el conteo de referencias de \"target\" en esa ruta."}], "lastModified": "2025-11-17T19:27:18.587", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6CA67D14-5A27-41CC-9569-F5C7E514E52B", "versionEndExcluding": "4.14.291", "versionStartIncluding": "4.14.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6C47CDE3-B039-4AE5-B8E4-1DC820E473FF", "versionEndExcluding": "4.19.256", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1C63D19-C08C-4308-A848-B2523C9275BD", "versionEndExcluding": "5.4.211", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "445ACC04-A2BA-4176-B4C9-CA4AA59096D2", "versionEndExcluding": "5.10.138", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D5744A03-DA40-4A78-9063-13179361DC6D", "versionEndExcluding": "5.15.63", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0E669300-DA42-4ACD-86D8-68BE5F29FB88", "versionEndExcluding": "5.19.4", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.14:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7875AA30-1F6F-470C-A52D-ECBD6663CEC5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.14:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B483DA9A-D449-48DE-9CA2-CEA23FD0B202"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.14:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEF29F06-4FF7-4FE6-B66D-9D758B182CF3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.14:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17941A19-6A3D-477F-BC6A-972D7F815FDD"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.14:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4C9B8FA6-754F-42F5-98BC-410AF7DB9F4C"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.14:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EC8F8565-B401-4F3C-B423-51F371DCB908"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.14:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C834B5F2-810F-4291-8E1F-1B32635E08F3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.14:rc8:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB4A96BC-72CC-4EF1-916C-9ED7177C196E"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}