CVE-2023-53146

{"id": "CVE-2023-53146", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "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": "2025-05-14T13:15:47.083", "references": [{"url": "https://git.kernel.org/stable/c/08dfcbd03b2b7f918c4f87c6ff637054e510df74", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5ae544d94abc8ff77b1b9bf8774def3fa5689b5b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/77cbd42d29de9ffc93d5529bab8813cde53af14c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/903566208ae6bb9c0e7e54355ce75bf6cf72485d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/97fdbdb750342cbc204befde976872fedb406ee6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/beb9550494e7349f92b9eaa283256a5ad9b1c9be", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ecbe6d011b95c7da59f014f8d26cb7245ed1e11e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/fb28afab113a82b89ffec48c8155ec05b4f8cb5e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dw2102: Fix null-ptr-deref in dw2102_i2c_transfer()\n\nIn dw2102_i2c_transfer, msg is controlled by user. When msg[i].buf\nis null and msg[i].len is zero, former checks on msg[i].buf would be\npassed. Malicious data finally reach dw2102_i2c_transfer. If accessing\nmsg[i].buf[0] without sanity check, null ptr deref would happen.\nWe add check on msg[i].len to prevent crash.\n\nSimilar commit:\ncommit 950e252cb469\n(\"[media] dw2102: limit messages to buffer size\")"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: dw2102: Se ha corregido la correcci\u00f3n de null-ptr-deref en dw2102_i2c_transfer(). En dw2102_i2c_transfer, el usuario controla msg. Cuando msg[i].buf es nulo y msg[i].len es cero, se superan las comprobaciones previas de msg[i].buf. Los datos maliciosos finalmente llegan a dw2102_i2c_transfer. Si se accede a msg[i].buf[0] sin una comprobaci\u00f3n de seguridad, se produce una correcci\u00f3n de ptr nula. Se ha a\u00f1adido una comprobaci\u00f3n de msg[i].len para evitar un fallo. Commit similar: commit 950e252cb469 (\"[media] dw2102: limitar los mensajes al tama\u00f1o del b\u00fafer\")"}], "lastModified": "2025-11-12T20:37:33.230", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C67A42DD-BAE5-4A0C-9EB9-679ACF1CD6B2", "versionEndExcluding": "4.14.326"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D419C7D6-F33D-4EF8-8950-1CB5DDF6A55D", "versionEndExcluding": "4.19.295", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "834BD148-28EC-43A4-A4F5-458124A1E39F", "versionEndExcluding": "5.4.257", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FD17EA9A-DF74-4876-AADC-C204F0716961", "versionEndExcluding": "5.10.197", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "21236FF3-9B2C-4C1A-8780-BC5BCA44AA51", "versionEndExcluding": "5.15.133", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0EFCF8E8-5528-46B9-8C17-B09792899CE0", "versionEndExcluding": "6.1.55", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8CF71E85-DA24-4925-95C5-E5C15DA71AE6", "versionEndExcluding": "6.5.5", "versionStartIncluding": "6.2"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}