Answer in brief
CVE-2023-53453 records a Medium severity (CVSS 5.5) vulnerability in drm/radeon: free iio for atombios when driver shutdown. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=771fe6b912fca54f03e8a72eb63058b582775362 <cb109cedbba11c33473e6780c256d8442a9e4460 || >=771fe6b912fca54f03e8a72eb63058b582775362 <9cdb96b55651c92fc949cfd54124406c3c912b6b || >=771fe6b912fca54f03e8a72eb63058b582775362 <f9f55fc64928b5e30d78f861c5fc76db9e769ebb || >=771fe6b912fca54f03e8a72eb63058b582775362 <ce9e9d3dcbb0d1551ffd1a7f16e7c051f3ba4140 || >=771fe6b912fca54f03e8a72eb63058b582775362 <cda2f7efbc2d857220dad32e315a54565b285c1c || >=771fe6b912fca54f03e8a72eb63058b582775362 <107b8b542bb9dab4cbdc3276c85fbdd7f6782313 || >=771fe6b912fca54f03e8a72eb63058b582775362 <e2791f2f4d1d804e45fa91b14295c326b64c65f1 || >=771fe6b912fca54f03e8a72eb63058b582775362 <4773fadedca918faec443daaca5e4ea1c0ced144 | cb109cedbba11c33473e6780c256d8442a9e4460, 9cdb96b55651c92fc949cfd54124406c3c912b6b, f9f55fc64928b5e30d78f861c5fc76db9e769ebb, ce9e9d3dcbb0d1551ffd1a7f16e7c051f3ba4140, cda2f7efbc2d857220dad32e315a54565b285c1c, 107b8b542bb9dab4cbdc3276c85fbdd7f6782313, e2791f2f4d1d804e45fa91b14295c326b64c65f1, 4773fadedca918faec443daaca5e4ea1c0ced144 |
| Linux/Linuxgeneric | 2.6.31 | Not reported |
Published upstream
Oct 1, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 5, 2026
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().
Quoted source text, attributed separately from HOL analysis.