CVE-2023-52735

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Protect\nagainst bugs like [1] and break out of the recursive loop to avoid a stack\noverflow in favor of a resource leak.\n\n[1] https://lore.kernel.org/all/00000000000073b14905ef2e7401@google.com/"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf, sockmap: no permita que sock_map_{close,destroy,unhash} se llame a s\u00ed mismo. Las devoluciones de llamada del proto sock_map nunca deber\u00edan llamarse a s\u00ed mismas por dise\u00f1o. Prot\u00e9jase contra bugs como [1] y salga del bucle recursivo para evitar un desbordamiento de la pila que favorezca una fuga de recursos. [1] https://lore.kernel.org/all/00000000000073b14905ef2e7401@google.com/"}], "id": "CVE-2023-52735", "lastModified": "2026-06-17T06:43:27.450", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52735", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-01-16T20:47:22.743454Z", "version": "2.0.3"}}]}, "published": "2024-05-21T16:15:13.523", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5b4a79ba65a1ab479903fff2e604865d229b70a9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7499859881488da97589f3c79cc66fa75748ad49"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f312367f5246e04df564d341044286e9e37a97ba"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5b4a79ba65a1ab479903fff2e604865d229b70a9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7499859881488da97589f3c79cc66fa75748ad49"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f312367f5246e04df564d341044286e9e37a97ba"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:5672", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.80.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-08-21T00:00:00Z"}, {"advisory": "RHSA-2024:5673", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.80.1.rt14.365.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-08-21T00:00:00Z"}], "bugzilla": {"description": "kernel: bpf, sockmap: Don't let sock_map_{close,destroy,unhash} call itself", "id": "2282618", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282618"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-121", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbpf, sockmap: Don't let sock_map_{close,destroy,unhash} call itself\nsock_map proto callbacks should never call themselves by design. Protect\nagainst bugs like [1] and break out of the recursive loop to avoid a stack\noverflow in favor of a resource leak.\n[1] https://lore.kernel.org/all/00000000000073b14905ef2e7401@google.com/"], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-52735", "package_state": [{"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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52735\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52735\nhttps://lore.kernel.org/linux-cve-announce/2024052100-CVE-2023-52735-4df1@gregkh/T"], "statement": "Redhat has rated this vulnerability as Low severity as by default in RHEL system the BPF sockmap feature is disabled by default which is needed for this vulnerability to be exploitable, on top of that local access and higher privileges are required to exploit this vulnerability and a successful exploitation will only result in a denial of service vulnerability.", "threat_severity": "Low"}

{}