CVE-2024-42107

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The ice driver has already\nreleased the PTP clock by the time the interrupt for the next external\ntimestamp event occurs.\n\nTo fix this, modify the ice_ptp_extts_event() function to check the\nPTP state and bail early if PTP is not ready."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ice: no procesar extts si PTP est\u00e1 deshabilitado. La funci\u00f3n ice_ptp_extts_event() puede competir con ice_ptp_release() y provocar una desreferencia del puntero NULL que provoca un p\u00e1nico en el kernel. El p\u00e1nico ocurre porque la funci\u00f3n ice_ptp_extts_event() llama a ptp_clock_event() con un puntero NULL. El controlador de hielo ya ha liberado el reloj PTP cuando ocurre la interrupci\u00f3n para el siguiente evento de marca de tiempo externo. Para solucionar este problema, modifique la funci\u00f3n ice_ptp_extts_event() para verificar el estado de PTP y salir temprano si PTP no est\u00e1 listo."}], "id": "CVE-2024-42107", "lastModified": "2026-10-30T13:17:31.613", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-42107", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T16:17:43.025350Z", "version": "2.0.3"}}]}, "published": "2024-07-30T08:15:03.220", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1c4e524811918600683b1ea87a5e0fc2db64fa9b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2ab26aeec3de0a677e02d6bc4dc85d49cd1ec4ac"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/996422e3230e41468f652d754fefd1bdbcd4604e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9aa83a5eb013f8aff20e701aa25ba6b0eaad0b65"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1c4e524811918600683b1ea87a5e0fc2db64fa9b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/996422e3230e41468f652d754fefd1bdbcd4604e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}, {"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"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: ice: Don't process extts if PTP is disabled", "id": "2301766", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2301766"}, "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": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nice: Don't process extts if PTP is disabled\nThe ice_ptp_extts_event() function can race with ice_ptp_release() and\nresult in a NULL pointer dereference which leads to a kernel panic.\nPanic occurs because the ice_ptp_extts_event() function calls\nptp_clock_event() with a NULL pointer. The ice driver has already\nreleased the PTP clock by the time the interrupt for the next external\ntimestamp event occurs.\nTo fix this, modify the ice_ptp_extts_event() function to check the\nPTP state and bail early if PTP is not ready."], "name": "CVE-2024-42107", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "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": "2024-07-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-42107\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-42107\nhttps://lore.kernel.org/linux-cve-announce/2024073020-CVE-2024-42107-65cc@gregkh/T"], "threat_severity": "Moderate"}

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