{"id":"DEBIAN-CVE-2023-53453","details":"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:     [\u003c0000000062fadebe\u003e] kmem_cache_alloc_trace+0x2f1/0x500     [\u003c00000000b6883cea\u003e] atom_parse+0x117/0x230 [radeon]     [\u003c00000000158c23fd\u003e] radeon_atombios_init+0xab/0x170 [radeon]     [\u003c00000000683f672e\u003e] si_init+0x57/0x750 [radeon]     [\u003c00000000566cc31f\u003e] radeon_device_init+0x559/0x9c0 [radeon]     [\u003c0000000046efabb3\u003e] radeon_driver_load_kms+0xc1/0x1a0 [radeon]     [\u003c00000000b5155064\u003e] drm_dev_register+0xdd/0x1d0     [\u003c0000000045fec835\u003e] radeon_pci_probe+0xbd/0x100 [radeon]     [\u003c00000000e69ecca3\u003e] pci_device_probe+0xe1/0x160     [\u003c0000000019484b76\u003e] really_probe.part.0+0xc1/0x2c0     [\u003c000000003f2649da\u003e] __driver_probe_device+0x96/0x130     [\u003c00000000231c5bb1\u003e] driver_probe_device+0x24/0xf0     [\u003c0000000000a42377\u003e] __driver_attach+0x77/0x190     [\u003c00000000d7574da6\u003e] bus_for_each_dev+0x7f/0xd0     [\u003c00000000633166d2\u003e] driver_attach+0x1e/0x30     [\u003c00000000313b05b8\u003e] 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().","modified":"2026-09-15T09:03:02.789706479Z","published":"2025-10-01T12:15:43.787Z","upstream":["CVE-2023-53453"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-53453"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.20-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-53453.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.20-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-53453.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.20-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-53453.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}