CVE-2026-23365

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Si un dispositivo malicioso no tuviera los mismos urbs, el controlador fallar\u00e1 m\u00e1s tarde cuando acceda ciegamente a estos puntos finales."}], "id": "CVE-2026-23365", "lastModified": "2026-11-10T13:18:42.887", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-23365", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T21:28:13.760546Z", "version": "2.0.3"}}]}, "published": "2026-03-25T11:16:35.710", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/011684cd18349aa4c52167c8ac37a0524169f48c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/12c0243de0aee0ab27cc00932fd5edae65c1e3a2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/185050b47df3d41e49f20ad01beea2e7b9cddaa7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/28a380bfa5bc7f6a9380b85e8eab919ee6ac1701"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/51c20ea5f1555a984c041b0dbf56f00d41b9e652"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7bfda1a0be4caec3263753d567678451cef73a85"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c58b6c29a4c9b8125e8ad3bca0637e00b71e2693"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ff675bc5b3e8c356f9d993d65d0bae6ed0dc7459"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: usb: kalmia: validate USB endpoints", "id": "2451238", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451238"}, "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"}, "cwe": "CWE-1287", "details": ["A flaw was found in the Linux kernel's kalmia USB driver. This vulnerability occurs because the driver does not properly validate the number and types of USB endpoints when a device is connected. A local attacker with a specially crafted malicious USB device could exploit this flaw, causing the kalmia driver to crash. This leads to a Denial of Service (DoS) on the affected system."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, prevent the kalmia module from being loaded. See https://access.redhat.com/solutions/41278 for instructions."}, "name": "CVE-2026-23365", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-03-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23365\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23365\nhttps://lore.kernel.org/linux-cve-announce/2026032539-CVE-2026-23365-76d3@gregkh/T"], "statement": "This flaw affects systems with the kalmia USB modem driver loaded. The missing endpoint validation allows a malicious USB device to cause a crash when the driver blindly accesses expected endpoints that don't exist. Physical access to connect a USB device is required. The kalmia driver is for Samsung Kalmia-based LTE modems.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,28a380bfa5bc7f6a9380b85e8eab919ee6ac1701)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,12c0243de0aee0ab27cc00932fd5edae65c1e3a2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,51c20ea5f1555a984c041b0dbf56f00d41b9e652)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,011684cd18349aa4c52167c8ac37a0524169f48c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,7bfda1a0be4caec3263753d567678451cef73a85)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,c58b6c29a4c9b8125e8ad3bca0637e00b71e2693)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.167,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.130,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.77,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.17,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.7,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0-rc2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "analysis": {"en": {"generated_at": "2026-04-28T17:03:19.136020+00:00", "value": {"mitigation_remediation": ["Update the Linux kernel to a version that includes the kalmia endpoint validation patch.", "If an update is not immediately possible, disable or blacklist the kalmia driver from loading.", "Alternatively, block or whitelist USB devices using udev rules to prevent the malicious device from attaching."], "summary": {"action": "Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the Linux kernel on all distributions that include the kalmia driver, which is typically compiled into the standard kernel image. No specific version range is listed, so any kernel release prior to the patch that introduces proper endpoint validation is considered vulnerable. The fix is applied to the driver in the kernel source.", "description_and_impact": "The kalmia USB driver in the Linux kernel fails to validate that the device it is probing has the expected number and types of USB endpoints. When a malicious USB device omits the required URBs, the driver later attempts to access these absent endpoints, causing a kernel crash. This results in a local denial of service, affecting system availability, and represents a validation weakness (CWE\u20111287).", "risk_and_exploitability": "The CVSS score of 5.5 indicates medium severity, and the EPSS score of less than 1\u202f% suggests a low likelihood of exploitation. The vulnerability is not listed in the CISA KEV catalog. An attacker would need to connect a malicious USB device to the target machine, which could be done via physical or potentially remote means if USB devices are introduced remotely. The exploit delivers a crash but does not provide code execution or privilege escalation."}}}}, "created": "2026-03-25T21:31:50.680936+00:00", "updated": "2026-04-28T17:15:21.234093+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}