CVE-2022-50074

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{}

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Use aa_put_loaddata(data) to\nfix this issue."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: apparmor: Se corrige la fuga de memoria en aa_simple_write_to_buffer(). Cuando copy_from_user falla, kvfree libera la memoria. Sin embargo, la estructura de administraci\u00f3n y el blob de datos se asignan de forma independiente, por lo que solo kvfree(data) causa un problema de fuga de memoria. Utilice aa_put_loaddata(data) para solucionar este problema."}], "id": "CVE-2022-50074", "lastModified": "2026-06-17T05:22:42.403", "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": "2025-06-18T11:15:36.283", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/417ea9fe972d2654a268ad66e89c8fcae67017c3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6500eb3a48ac221051b1791818a1ac74744ef617"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6583edbf459de2e06b9759f264c0ae27e452b97a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7db182a2ebeefded86fea542fcc5d6a68bb77f58"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8aab4295582eb397a125d2788b829fa62b88dbf7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bf7ebebce2c25071c719fd8a2f1307e0c243c2d7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: apparmor: Fix memleak in aa_simple_write_to_buffer()", "id": "2373549", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373549"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\napparmor: Fix memleak in aa_simple_write_to_buffer()\nWhen copy_from_user failed, the memory is freed by kvfree. however the\nmanagement struct and data blob are allocated independently, so only\nkvfree(data) cause a memleak issue here. Use aa_put_loaddata(data) to\nfix this issue."], "name": "CVE-2022-50074", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50074\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50074\nhttps://lore.kernel.org/linux-cve-announce/2025061854-CVE-2022-50074-c768@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-06-23T08:45:29.628093+00:00", "updated": "2025-06-23T08:45:29.628158+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}