CVE-2023-53453
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
drm/radeon: free iio for atombios when driver shutdown
Fix below kmemleak when unload radeon driver:
iio was allocated in atom_index_iio() called by atom_parse(), but it doesn't got released when the dirver is shutdown. Fix this kmemleak by free it in radeon_atombios_fini().
Detalles técnicos trazas, registros y código del informe original
unreferenced object 0xffff9f8608ede200 (size 512):
comm "systemd-udevd", pid 326, jiffies 4294682822 (age 716.338s)
hex dump (first 32 bytes):
00 00 00 00 c4 aa ec aa 14 ab 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000062fadebe>] kmem_cache_alloc_trace+0x2f1/0x500
[<00000000b6883cea>] atom_parse+0x117/0x230 [radeon]
[<00000000158c23fd>] radeon_atombios_init+0xab/0x170 [radeon]
[<00000000683f672e>] si_init+0x57/0x750 [radeon]
[<00000000566cc31f>] radeon_device_init+0x559/0x9c0 [radeon]
[<0000000046efabb3>] radeon_driver_load_kms+0xc1/0x1a0 [radeon]
[<00000000b5155064>] drm_dev_register+0xdd/0x1d0
[<0000000045fec835>] radeon_pci_probe+0xbd/0x100 [radeon]
[<00000000e69ecca3>] pci_device_probe+0xe1/0x160
[<0000000019484b76>] really_probe.part.0+0xc1/0x2c0
[<000000003f2649da>] __driver_probe_device+0x96/0x130
[<00000000231c5bb1>] driver_probe_device+0x24/0xf0
[<0000000000a42377>] __driver_attach+0x77/0x190
[<00000000d7574da6>] bus_for_each_dev+0x7f/0xd0
[<00000000633166d2>] driver_attach+0x1e/0x30
[<00000000313b05b8>] bus_add_driver+0x12c/0x1e0CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.16%
- Percentil entre todas las CVEs puntuadas: 4
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-401
Referencias
- https://git.kernel.org/stable/c/107b8b542bb9dab4cbdc3276c85fbdd7f6782313
- https://git.kernel.org/stable/c/4773fadedca918faec443daaca5e4ea1c0ced144
- https://git.kernel.org/stable/c/9cdb96b55651c92fc949cfd54124406c3c912b6b
- https://git.kernel.org/stable/c/cb109cedbba11c33473e6780c256d8442a9e4460
- https://git.kernel.org/stable/c/cda2f7efbc2d857220dad32e315a54565b285c1c
- https://git.kernel.org/stable/c/ce9e9d3dcbb0d1551ffd1a7f16e7c051f3ba4140
- https://git.kernel.org/stable/c/e2791f2f4d1d804e45fa91b14295c326b64c65f1
- https://git.kernel.org/stable/c/f9f55fc64928b5e30d78f861c5fc76db9e769ebb
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/radeon: free iio for atombios when driver shutdown\n\nFix below kmemleak when unload radeon driver:\n\nunreferenced object 0xffff9f8608ede200 (size 512):\n comm \"systemd-udevd\", pid 326, jiffies 4294682822 (age 716.338s)\n hex dump (first 32 bytes):\n 00 00 00 00 c4 aa ec aa 14 ab 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<0000000062fadebe>] kmem_cache_alloc_trace+0x2f1/0x500\n [<00000000b6883cea>] atom_parse+0x117/0x230 [radeon]\n [<00000000158c23fd>] radeon_atombios_init+0xab/0x170 [radeon]\n [<00000000683f672e>] si_init+0x57/0x750 [radeon]\n [<00000000566cc31f>] radeon_device_init+0x559/0x9c0 [radeon]\n [<0000000046efabb3>] radeon_driver_load_kms+0xc1/0x1a0 [radeon]\n [<00000000b5155064>] drm_dev_register+0xdd/0x1d0\n [<0000000045fec835>] radeon_pci_probe+0xbd/0x100 [radeon]\n [<00000000e69ecca3>] pci_device_probe+0xe1/0x160\n [<0000000019484b76>] really_probe.part.0+0xc1/0x2c0\n [<000000003f2649da>] __driver_probe_device+0x96/0x130\n [<00000000231c5bb1>] driver_probe_device+0x24/0xf0\n [<0000000000a42377>] __driver_attach+0x77/0x190\n [<00000000d7574da6>] bus_for_each_dev+0x7f/0xd0\n [<00000000633166d2>] driver_attach+0x1e/0x30\n [<00000000313b05b8>] bus_add_driver+0x12c/0x1e0\n\niio was allocated in atom_index_iio() called by atom_parse(),\nbut it doesn't got released when the dirver is shutdown.\nFix this kmemleak by free it in radeon_atombios_fini()."
}
],
"lastModified": "2026-06-17T06:45:22.787",
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