{ "id": "CVE-2024-50214", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-11-09T11:15:06.777", "lastModified": "2024-11-13T17:25:55.197", "vulnStatus": "Analyzed", "cveTags": [], "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 <.Ae.......... seguimiento inverso (crc 90e9585c): [<00000000ec42e3d7>] kmemleak_alloc+0x34/0x40 [<00000000d0ef055a>] __kmalloc_cache_noprof+0x26c/0x2f4 [<00000000c2062161>] drm_mode_duplicate+0x44/0x19c [<00000000f96c74aa>] drm_display_mode_from_cea_vic+0x88/0x98 [<00000000d8f2c8b4>] 0xffffffdc982a4868 [<000000005d164dbc>] kunit_try_run_case+0x13c/0x3ac [<000000006fb23398>] kunit_generic_run_threadfn_adapter+0x80/0xec [<000000006ea56ca0>] kthread+0x2e8/0x374 [<000000000676063f>] ret_from_fork+0x10/0x20 ...... Libere el `modo` usando drm_kunit_display_mode_from_cea_vic() para solucionarlo." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-401" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.11.7", "matchCriteriaId": "386941FE-51A4-4893-9EC3-054AD3863E8D" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*", "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*", "matchCriteriaId": "E0F717D8-3014-4F84-8086-0124B2111379" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*", "matchCriteriaId": "24DBE6C7-2AAE-4818-AED2-E131F153D2FA" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/926163342a2e7595d950e84c17c693b1272bd491", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/df2b00685cd33cd85be8910c7d6d22c4ebbf18bb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }