CVE-2024-50214

{"id": "CVE-2024-50214", "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}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "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": "2024-11-09T11:15:06.777", "references": [{"url": "https://git.kernel.org/stable/c/926163342a2e7595d950e84c17c693b1272bd491", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/df2b00685cd33cd85be8910c7d6d22c4ebbf18bb", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-401"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic()\n\nmodprobe drm_connector_test and then rmmod drm_connector_test,\nthe following memory leak occurs.\n\nThe `mode` allocated in drm_mode_duplicate() called by\ndrm_display_mode_from_cea_vic() is not freed, which cause the memory leak:\n\n\tunreferenced object 0xffffff80cb0ee400 (size 128):\n\t comm \"kunit_try_catch\", pid 1948, jiffies 4294950339\n\t hex dump (first 32 bytes):\n\t 14 44 02 00 80 07 d8 07 04 08 98 08 00 00 38 04 .D............8.\n\t 3c 04 41 04 65 04 00 00 05 00 00 00 00 00 00 00 <.A.e...........\n\t backtrace (crc 90e9585c):\n\t [<00000000ec42e3d7>] kmemleak_alloc+0x34/0x40\n\t [<00000000d0ef055a>] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [<00000000c2062161>] drm_mode_duplicate+0x44/0x19c\n\t [<00000000f96c74aa>] drm_display_mode_from_cea_vic+0x88/0x98\n\t [<00000000d8f2c8b4>] 0xffffffdc982a4868\n\t [<000000005d164dbc>] kunit_try_run_case+0x13c/0x3ac\n\t [<000000006fb23398>] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t [<000000006ea56ca0>] kthread+0x2e8/0x374\n\t [<000000000676063f>] ret_from_fork+0x10/0x20\n\t......\n\nFree `mode` by using drm_kunit_display_mode_from_cea_vic()\nto fix it."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/connector: hdmi: Se corrige la p\u00e9rdida de memoria en drm_display_mode_from_cea_vic() modprobe drm_connector_test y luego rmmod drm_connector_test, se produce la siguiente p\u00e9rdida de memoria. El `modo` asignado en drm_mode_duplicate() llamado por drm_display_mode_from_cea_vic() no se libera, lo que causa la p\u00e9rdida de memoria: objeto sin referencia 0xffffff80cb0ee400 (tama\u00f1o 128): comm \"kunit_try_catch\", pid 1948, jiffies 4294950339 volcado hexadecimal (primeros 32 bytes): 14 44 02 00 80 07 d8 07 04 08 98 08 00 00 38 04 .D............8. 3c 04 41 04 65 04 00 00 05 00 00 00 00 00 00 00 &lt;.Ae.......... seguimiento inverso (crc 90e9585c): [&lt;00000000ec42e3d7&gt;] kmemleak_alloc+0x34/0x40 [&lt;00000000d0ef055a&gt;] __kmalloc_cache_noprof+0x26c/0x2f4 [&lt;00000000c2062161&gt;] drm_mode_duplicate+0x44/0x19c [&lt;00000000f96c74aa&gt;] drm_display_mode_from_cea_vic+0x88/0x98 [&lt;00000000d8f2c8b4&gt;] 0xffffffdc982a4868 [&lt;000000005d164dbc&gt;] kunit_try_run_case+0x13c/0x3ac [&lt;000000006fb23398&gt;] kunit_generic_run_threadfn_adapter+0x80/0xec [&lt;000000006ea56ca0&gt;] kthread+0x2e8/0x374 [&lt;000000000676063f&gt;] ret_from_fork+0x10/0x20 ...... Libere el `modo` usando drm_kunit_display_mode_from_cea_vic() para solucionarlo."}], "lastModified": "2025-10-01T21:16:06.713", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "386941FE-51A4-4893-9EC3-054AD3863E8D", "versionEndExcluding": "6.11.7", "versionStartIncluding": "6.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0F717D8-3014-4F84-8086-0124B2111379"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "24DBE6C7-2AAE-4818-AED2-E131F153D2FA"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}