CVE-2024-44993

{"id": "CVE-2024-44993", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "published": "2024-09-04T20:15:08.257", "references": [{"url": "https://git.kernel.org/stable/c/497d370a644d95a9f04271aa92cb96d32e84c770", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d656b82c4b30cf12715e6cd129d3df808fde24a7", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/v3d: Fix out-of-bounds read in `v3d_csd_job_run()`\n\nWhen enabling UBSAN on Raspberry Pi 5, we get the following warning:\n\n[ 387.894977] UBSAN: array-index-out-of-bounds in drivers/gpu/drm/v3d/v3d_sched.c:320:3\n[ 387.903868] index 7 is out of range for type '__u32 [7]'\n[ 387.909692] CPU: 0 PID: 1207 Comm: kworker/u16:2 Tainted: G WC 6.10.3-v8-16k-numa #151\n[ 387.919166] Hardware name: Raspberry Pi 5 Model B Rev 1.0 (DT)\n[ 387.925961] Workqueue: v3d_csd drm_sched_run_job_work [gpu_sched]\n[ 387.932525] Call trace:\n[ 387.935296] dump_backtrace+0x170/0x1b8\n[ 387.939403] show_stack+0x20/0x38\n[ 387.942907] dump_stack_lvl+0x90/0xd0\n[ 387.946785] dump_stack+0x18/0x28\n[ 387.950301] __ubsan_handle_out_of_bounds+0x98/0xd0\n[ 387.955383] v3d_csd_job_run+0x3a8/0x438 [v3d]\n[ 387.960707] drm_sched_run_job_work+0x520/0x6d0 [gpu_sched]\n[ 387.966862] process_one_work+0x62c/0xb48\n[ 387.971296] worker_thread+0x468/0x5b0\n[ 387.975317] kthread+0x1c4/0x1e0\n[ 387.978818] ret_from_fork+0x10/0x20\n[ 387.983014] ---[ end trace ]---\n\nThis happens because the UAPI provides only seven configuration\nregisters and we are reading the eighth position of this u32 array.\n\nTherefore, fix the out-of-bounds read in `v3d_csd_job_run()` by\naccessing only seven positions on the '__u32 [7]' array. The eighth\nregister exists indeed on V3D 7.1, but it isn't currently used. That\nbeing so, let's guarantee that it remains unused and add a note that it\ncould be set in a future patch."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/v3d: Corregir lectura fuera de los l\u00edmites en `v3d_csd_job_run()` Al habilitar UBSAN en Raspberry Pi 5, obtenemos la siguiente advertencia: [ 387.894977] UBSAN: array-index-out-of-bounds en drivers/gpu/drm/v3d/v3d_sched.c:320:3 [ 387.903868] el \u00edndice 7 est\u00e1 fuera de rango para el tipo '__u32 [7]' [ 387.909692] CPU: 0 PID: 1207 Comm: kworker/u16:2 Tainted: G WC 6.10.3-v8-16k-numa #151 [ 387.919166] Nombre del hardware: Raspberry Pi 5 Model B Rev 1.0 (DT) [ 387.925961] Cola de trabajo: v3d_csd drm_sched_run_job_work [gpu_sched] [ 387.932525] Rastreo de llamadas: [ 387.935296] dump_backtrace+0x170/0x1b8 [ 387.939403] show_stack+0x20/0x38 [ 387.942907] dump_stack_lvl+0x90/0xd0 [ 387.946785] dump_stack+0x18/0x28 [ 387.950301] __ubsan_handle_out_of_bounds+0x98/0xd0 [ 387.955383] v3d_csd_job_run+0x3a8/0x438 [v3d] [ 387.960707] drm_sched_run_job_work+0x520/0x6d0 [gpu_sched] [ 387.966862] process_one_work+0x62c/0xb48 [ 387.971296] worker_thread+0x468/0x5b0 [ 387.975317] kthread+0x1c4/0x1e0 [ 387.978818] ret_from_fork+0x10/0x20 [ 387.983014] ---[ fin del seguimiento ]--- Esto sucede porque la UAPI proporciona solo siete registros de configuraci\u00f3n y estamos leyendo la octava posici\u00f3n de esta matriz u32. Por lo tanto, solucione la lectura fuera de los l\u00edmites en `v3d_csd_job_run()` accediendo solo a siete posiciones en la matriz '__u32 [7]'. El octavo registro existe de hecho en V3D 7.1, pero no se utiliza actualmente. Siendo as\u00ed, garanticemos que permanezca sin uso y agreguemos una nota que indique que podr\u00eda configurarse en un parche futuro."}], "lastModified": "2024-09-06T16:28:49.180", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E89DCAFA-7226-4A61-B500-1229E533B4BD", "versionEndExcluding": "6.10.7", "versionStartIncluding": "6.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8B3CE743-2126-47A3-8B7C-822B502CF119"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DEB27E7-30AA-45CC-8934-B89263EF3551"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0005AEF-856E-47EB-BFE4-90C46899394D"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}