CVE-2024-50213

{"id": "CVE-2024-50213", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "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": "2024-11-09T11:15:06.650", "references": [{"url": "https://git.kernel.org/stable/c/3bc3fae8a0f22e0e713729b50e2111f6a8c64724", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/add4163aca0d4a86e9fe4aa513865e4237db8aef", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic()\n\nmodprobe drm_hdmi_state_helper_test and then rmmod it, the following\nmemory 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 0xffffff80ccd18100 (size 128):\n\t comm \"kunit_try_catch\", pid 1851, jiffies 4295059695\n\t hex dump (first 32 bytes):\n\t 57 62 00 00 80 02 90 02 f0 02 20 03 00 00 e0 01 Wb........ .....\n\t ea 01 ec 01 0d 02 00 00 0a 00 00 00 00 00 00 00 ................\n\t backtrace (crc c2f1aa95):\n\t [<000000000f10b11b>] kmemleak_alloc+0x34/0x40\n\t [<000000001cd4cf73>] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [<00000000f1f3cffa>] drm_mode_duplicate+0x44/0x19c\n\t [<000000008cbeef13>] drm_display_mode_from_cea_vic+0x88/0x98\n\t [<0000000019daaacf>] 0xffffffedc11ae69c\n\t [<000000000aad0f85>] kunit_try_run_case+0x13c/0x3ac\n\t [<00000000a9210bac>] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t [<000000000a0b2e9e>] kthread+0x2e8/0x374\n\t [<00000000bd668858>] 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/tests: hdmi: Se corrigen las p\u00e9rdidas de memoria en drm_display_mode_from_cea_vic() modprobe drm_hdmi_state_helper_test y luego rmmod, 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 0xffffff80ccd18100 (tama\u00f1o 128): comm \"kunit_try_catch\", pid 1851, jiffies 4295059695 volcado hexadecimal (primeros 32 bytes): 57 62 00 00 80 02 90 02 f0 02 20 03 00 00 e0 01 Wb........ ..... ea 01 ec 01 0d 02 00 00 0a 00 00 00 00 00 00 00 ................ backtrace (crc c2f1aa95): [&lt;000000000f10b11b&gt;] kmemleak_alloc+0x34/0x40 [&lt;000000001cd4cf73&gt;] __kmalloc_cache_noprof+0x26c/0x2f4 [&lt;00000000f1f3cffa&gt;] modo drm_duplicado+0x44/0x19c [&lt;000000008cbeef13&gt;] modo de visualizaci\u00f3n drm_desde_cea_vic+0x88/0x98 [&lt;0000000019daaacf&gt;] 0xffffffedc11ae69c [&lt;000000000aad0f85&gt;] caso de ejecuci\u00f3n de intentos kunit+0x13c/0x3ac [&lt;00000000a9210bac&gt;] kunit_generic_run_threadfn_adapter+0x80/0xec [&lt;000000000a0b2e9e&gt;] kthread+0x2e8/0x374 [&lt;00000000bd668858&gt;] ret_from_fork+0x10/0x20 ...... Libere el `modo` usando drm_kunit_display_mode_from_cea_vic() para solucionarlo."}], "lastModified": "2024-11-13T17:01:12.827", "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"}