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: [<ffffffffb324f557>] __kmalloc+0x47/0x120 [<ffffffffb39ef37d>] hci_codec_list_add.isra.0+0x2d/0x160 [<ffffffffb39ef643>] hci_read_codec_capabilities+0x183/0x270 [<ffffffffb39ef9ab>] hci_read_supported_codecs+0x1bb/0x2d0 [<ffffffffb39f162e>] hci_read_local_codecs_sync+0x3e/0x60 [<ffffffffb39ff1b3>] hci_dev_open_sync+0x943/0x11e0 [<ffffffffb396d55d>] hci_power_on+0x10d/0x3f0 [<ffffffffb30c99b4>] process_one_work+0x404/0x800 [<ffffffffb30ca134>] worker_thread+0x374/0x670 [<ffffffffb30d9108>] kthread+0x188/0x1c0 [<ffffffffb304db6b>] ret_from_fork+0x2b/0x50 [<ffffffffb300206a>] ret_from_fork_asm+0x1a/0x30
History

Fri, 01 Nov 2024 16:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-770

cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-03-02T21:54:47.826Z

Updated: 2024-12-19T08:21:21.069Z

Reserved: 2024-02-20T12:30:33.317Z

Link: CVE-2023-52518

cve-icon Vulnrichment

Updated: 2024-08-02T23:03:20.700Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2024-03-02T22:15:47.970

Modified: 2024-11-21T08:39:57.030

Link: CVE-2023-52518

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-03-02T00:00:00Z

Links: CVE-2023-52518 - Bugzilla