ghsa-pwc2-x7qx-wmwx
Vulnerability from github
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:
[
{
"affected": [],
"aliases": [
"CVE-2023-52518"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-03-02T22:15:47Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_codec: Fix leaking content of local_codecs\n\nThe following memory leak can be observed when the controller supports\ncodecs which are stored in local_codecs list but the elements are never\nfreed:\n\nunreferenced object 0xffff88800221d840 (size 32):\n comm \"kworker/u3:0\", pid 36, jiffies 4294898739 (age 127.060s)\n hex dump (first 32 bytes):\n f8 d3 02 03 80 88 ff ff 80 d8 21 02 80 88 ff ff ..........!.....\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [\u003cffffffffb324f557\u003e] __kmalloc+0x47/0x120\n [\u003cffffffffb39ef37d\u003e] hci_codec_list_add.isra.0+0x2d/0x160\n [\u003cffffffffb39ef643\u003e] hci_read_codec_capabilities+0x183/0x270\n [\u003cffffffffb39ef9ab\u003e] hci_read_supported_codecs+0x1bb/0x2d0\n [\u003cffffffffb39f162e\u003e] hci_read_local_codecs_sync+0x3e/0x60\n [\u003cffffffffb39ff1b3\u003e] hci_dev_open_sync+0x943/0x11e0\n [\u003cffffffffb396d55d\u003e] hci_power_on+0x10d/0x3f0\n [\u003cffffffffb30c99b4\u003e] process_one_work+0x404/0x800\n [\u003cffffffffb30ca134\u003e] worker_thread+0x374/0x670\n [\u003cffffffffb30d9108\u003e] kthread+0x188/0x1c0\n [\u003cffffffffb304db6b\u003e] ret_from_fork+0x2b/0x50\n [\u003cffffffffb300206a\u003e] ret_from_fork_asm+0x1a/0x30",
"id": "GHSA-pwc2-x7qx-wmwx",
"modified": "2024-03-03T00:30:31Z",
"published": "2024-03-03T00:30:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52518"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/626535077ba9dc110787540d1fe24881094c15a1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b938790e70540bf4f2e653dcd74b232494d06c8f"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/eea5a8f0c3b7c884d2351e75fbdd0a3d7def5ae1"
}
],
"schema_version": "1.4.0",
"severity": []
}