CVE-2023-52941

{"id": "CVE-2023-52941", "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": "2025-03-27T17:15:44.043", "references": [{"url": "https://git.kernel.org/stable/c/4f027cba8216f42a18b544842efab134f8b1f9f4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/cae4c9bc35f72af5d4a079bb9d9fd62c4088a411", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: isotp: split tx timer into transmission and timeout\n\nThe timer for the transmission of isotp PDUs formerly had two functions:\n1. send two consecutive frames with a given time gap\n2. monitor the timeouts for flow control frames and the echo frames\n\nThis led to larger txstate checks and potentially to a problem discovered\nby syzbot which enabled the panic_on_warn feature while testing.\n\nThe former 'txtimer' function is split into 'txfrtimer' and 'txtimer'\nto handle the two above functionalities with separate timer callbacks.\n\nThe two simplified timers now run in one-shot mode and make the state\ntransitions (especially with isotp_rcv_echo) better understandable."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: isotp: dividir el temporizador de transmisi\u00f3n en transmisi\u00f3n y tiempo de espera El temporizador para la transmisi\u00f3n de PDU isotp anteriormente ten\u00eda dos funciones: 1. enviar dos tramas consecutivas con un intervalo de tiempo determinado 2. supervisar los tiempos de espera para las tramas de control de flujo y las tramas de eco Esto llev\u00f3 a comprobaciones de txstate m\u00e1s grandes y potencialmente a un problema descubierto por syzbot que habilit\u00f3 la caracter\u00edstica panic_on_warn durante las pruebas. La antigua funci\u00f3n 'txtimer' se divide en 'txfrtimer' y 'txtimer' para manejar las dos funcionalidades anteriores con devoluciones de llamadas de temporizador independientes. Los dos temporizadores simplificados ahora se ejecutan en modo de una sola vez y hacen que las transiciones de estado (especialmente con isotp_rcv_echo) sean mejor comprensibles."}], "lastModified": "2025-10-28T18:24:54.397", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "28CC5A62-2D03-429C-A726-BF09788C85CA", "versionEndExcluding": "6.1", "versionStartIncluding": "6.0.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7C5214A4-3205-4DBA-8381-6D8319C38AE5", "versionEndExcluding": "6.1.11", "versionStartIncluding": "6.1.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE093B34-F4CD-4052-8122-730D6537A91A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "35B26BE4-43A6-4A36-A7F6-5B3F572D9186"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3FFFB0B3-930D-408A-91E2-BAE0C2715D80"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8535320E-A0DB-4277-800E-D0CE5BBA59E8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc8:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "21718AA4-4056-40F2-968E-BDAA465A7872"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF501633-2F44-4913-A8EE-B021929F49F6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2BDA597B-CAC1-4DF0-86F0-42E142C654E9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "725C78C9-12CE-406F-ABE8-0813A01D66E8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A127C155-689C-4F67-B146-44A57F4BFD85"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D34127CC-68F5-4703-A5F6-5006F803E4AE"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4AB8D555-648E-4F2F-98BD-3E7F45BD12A8"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}