CVE-2023-53453

drm/radeon: free iio for atombios when driver shutdown

MEDIUM

5.5

CVSS Score

Published: October 1, 2025 at 11:42 AM UTC

Updated: June 17, 2026 at 06:45 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

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().

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

2.6.31 ≤ v < 4.14.3082.6.31 ≤ v < 4.19.2762.6.31 ≤ v < 5.10.1732.6.31 ≤ v < 5.15.992.6.31 ≤ v < 5.4.2352.6.31 ≤ v < 6.1.162.6.31 ≤ v < 6.2.32.6.31 ≤ v < 6.34.15 ≤ v < 4.19.2764.20 ≤ v < 5.4.2355.11 ≤ v < 5.15.995.16 ≤ v < 6.1.165.5 ≤ v < 5.10.1736.2 ≤ v < 6.2.32.6.31771fe6b912fca54f03e8a72eb63058b582775362

Vendor states this is fixed in 107b8b542bb9dab4cbdc3276c85fbdd7f6782313 (fixed)

Vendor states this is fixed in 4773fadedca918faec443daaca5e4ea1c0ced144 (fixed)

Vendor states this is fixed in 9cdb96b55651c92fc949cfd54124406c3c912b6b (fixed)

Vendor states this is fixed in cb109cedbba11c33473e6780c256d8442a9e4460 (fixed)

Vendor states this is fixed in cda2f7efbc2d857220dad32e315a54565b285c1c (fixed)

Vendor states this is fixed in ce9e9d3dcbb0d1551ffd1a7f16e7c051f3ba4140 (fixed)

Vendor states this is fixed in e2791f2f4d1d804e45fa91b14295c326b64c65f1 (fixed)

Vendor states this is fixed in f9f55fc64928b5e30d78f861c5fc76db9e769ebb (fixed)

Vendor states this is fixed in 2.6.31 (unaffected)

Vendor states this is fixed in 4.14.308 (unaffected)

Vendor states this is fixed in 4.19.276 (unaffected)

Vendor states this is fixed in 5.10.173 (unaffected)