{"id":"DEBIAN-CVE-2023-52518","details":"In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: hci_codec: Fix leaking content of local_codecs  The following memory leak can be observed when the controller supports codecs which are stored in local_codecs list but the elements are never freed:  unreferenced object 0xffff88800221d840 (size 32):   comm \"kworker/u3:0\", pid 36, jiffies 4294898739 (age 127.060s)   hex dump (first 32 bytes):     f8 d3 02 03 80 88 ff ff 80 d8 21 02 80 88 ff ff  ..........!.....     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................   backtrace:     [\u003cffffffffb324f557\u003e] __kmalloc+0x47/0x120     [\u003cffffffffb39ef37d\u003e] hci_codec_list_add.isra.0+0x2d/0x160     [\u003cffffffffb39ef643\u003e] hci_read_codec_capabilities+0x183/0x270     [\u003cffffffffb39ef9ab\u003e] hci_read_supported_codecs+0x1bb/0x2d0     [\u003cffffffffb39f162e\u003e] hci_read_local_codecs_sync+0x3e/0x60     [\u003cffffffffb39ff1b3\u003e] hci_dev_open_sync+0x943/0x11e0     [\u003cffffffffb396d55d\u003e] hci_power_on+0x10d/0x3f0     [\u003cffffffffb30c99b4\u003e] process_one_work+0x404/0x800     [\u003cffffffffb30ca134\u003e] worker_thread+0x374/0x670     [\u003cffffffffb30d9108\u003e] kthread+0x188/0x1c0     [\u003cffffffffb304db6b\u003e] ret_from_fork+0x2b/0x50     [\u003cffffffffb300206a\u003e] ret_from_fork_asm+0x1a/0x30","modified":"2026-09-15T09:02:47.838037894Z","published":"2024-03-02T22:15:47.970Z","upstream":["CVE-2023-52518"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-52518"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.64-1"}]}],"versions":["6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52518.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.8-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52518.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.8-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52518.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"}]}