{"cve":"CVE-2023-53453","nvd":{"published":"2025-10-01T12:15:43.787","modified":"2026-06-17T06:45:22.787","status":"Analyzed","description":"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().","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-401"],"references":["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"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:11:26.888974865+00:00"},"epss":{"cve":"CVE-2023-53453","score":0.0016,"percentile":0.0511,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}