CVE-2023-53453
- Published: 2025-10-01T12:15:43.787
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:
[] kmem_cache_alloc_trace+0x2f1/0x500
[] atom_parse+0x117/0x230 [radeon]
[] radeon_atombios_init+0xab/0x170 [radeon]
[] si_init+0x57/0x750 [radeon]
[] radeon_device_init+0x559/0x9c0 [radeon]
[] radeon_driver_load_kms+0xc1/0x1a0 [radeon]
[] drm_dev_register+0xdd/0x1d0
[] radeon_pci_probe+0xbd/0x100 [radeon]
[] pci_device_probe+0xe1/0x160
[] really_probe.part.0+0xc1/0x2c0
[] __driver_probe_device+0x96/0x130
[] driver_probe_device+0x24/0xf0
[] __driver_attach+0x77/0x190
[] bus_for_each_dev+0x7f/0xd0
[] driver_attach+0x1e/0x30
[] 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().
Related CVE by CWE
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How to fix CVE-2023-53453
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 […]
Exploit Difficulty: HARD
⏱️ Time to exploit: > 4 hours
🛠️ Required skills: Advanced security expertise
💰 Public exploits: Rare or not public
How to Fix:
- Check if you're running the affected product
- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access
- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)
- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
Exploit Difficulty Assessment
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CVE details first published to NVD database
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