drm/radeon: free iio for atombios when driver shutdown
Fix below kmemleak when unload radeon driver:
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/0x1e0
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().
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
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Fri, 16 Jan 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-401 | |
| Metrics |
cvssV3_1
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cvssV3_1
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Mon, 05 Jan 2026 10:45:00 +0000
| Type | Values Removed | Values Added |
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| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Thu, 02 Oct 2025 09:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Linux
Linux linux Kernel |
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| Vendors & Products |
Linux
Linux linux Kernel |
Thu, 02 Oct 2025 00:15:00 +0000
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| References |
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| Metrics |
threat_severity
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cvssV3_1
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Wed, 01 Oct 2025 12:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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: 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/0x1e0 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(). | |
| Title | drm/radeon: free iio for atombios when driver shutdown | |
| References |
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T19:45:17.978Z
Reserved: 2025-09-17T14:54:09.754Z
Link: CVE-2023-53453
No data.
Status : Analyzed
Published: 2025-10-01T12:15:43.787
Modified: 2026-01-16T21:22:30.527
Link: CVE-2023-53453
OpenCVE Enrichment
Updated: 2025-10-02T08:39:50Z