CVE-2023-52518

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-52518
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52518.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-52518
Downstream
Related
Published
2024-03-02T21:54:47Z
Modified
2025-10-14T05:20:34.290464Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Bluetooth: hci_codec: Fix leaking content of local_codecs
Details

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: hcicodec: Fix leaking content of localcodecs

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>] hcicodeclistadd.isra.0+0x2d/0x160 [<ffffffffb39ef643>] hcireadcodeccapabilities+0x183/0x270 [<ffffffffb39ef9ab>] hcireadsupportedcodecs+0x1bb/0x2d0 [<ffffffffb39f162e>] hcireadlocalcodecssync+0x3e/0x60 [<ffffffffb39ff1b3>] hcidevopensync+0x943/0x11e0 [<ffffffffb396d55d>] hcipoweron+0x10d/0x3f0 [<ffffffffb30c99b4>] processonework+0x404/0x800 [<ffffffffb30ca134>] workerthread+0x374/0x670 [<ffffffffb30d9108>] kthread+0x188/0x1c0 [<ffffffffb304db6b>] retfromfork+0x2b/0x50 [<ffffffffb300206a>] retfromfork_asm+0x1a/0x30

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
8961987f3f5fa2f2618e72304d013c8dd5e604a6
Fixed
626535077ba9dc110787540d1fe24881094c15a1
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
8961987f3f5fa2f2618e72304d013c8dd5e604a6
Fixed
eea5a8f0c3b7c884d2351e75fbdd0a3d7def5ae1
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
8961987f3f5fa2f2618e72304d013c8dd5e604a6
Fixed
b938790e70540bf4f2e653dcd74b232494d06c8f

Affected versions

v5.*

v5.14
v5.15
v5.15-rc1
v5.15-rc2
v5.15-rc3
v5.15-rc4
v5.15-rc5
v5.15-rc6
v5.15-rc7
v5.16
v5.16-rc1
v5.16-rc2
v5.16-rc3
v5.16-rc4
v5.16-rc5
v5.16-rc6
v5.16-rc7
v5.16-rc8
v5.17
v5.17-rc1
v5.17-rc2
v5.17-rc3
v5.17-rc4
v5.17-rc5
v5.17-rc6
v5.17-rc7
v5.17-rc8
v5.18
v5.18-rc1
v5.18-rc2
v5.18-rc3
v5.18-rc4
v5.18-rc5
v5.18-rc6
v5.18-rc7
v5.19
v5.19-rc1
v5.19-rc2
v5.19-rc3
v5.19-rc4
v5.19-rc5
v5.19-rc6
v5.19-rc7
v5.19-rc8

v6.*

v6.0
v6.0-rc1
v6.0-rc2
v6.0-rc3
v6.0-rc4
v6.0-rc5
v6.0-rc6
v6.0-rc7
v6.1
v6.1-rc1
v6.1-rc2
v6.1-rc3
v6.1-rc4
v6.1-rc5
v6.1-rc6
v6.1-rc7
v6.1-rc8
v6.1.1
v6.1.10
v6.1.11
v6.1.12
v6.1.13
v6.1.14
v6.1.15
v6.1.16
v6.1.17
v6.1.18
v6.1.19
v6.1.2
v6.1.20
v6.1.21
v6.1.22
v6.1.23
v6.1.24
v6.1.25
v6.1.26
v6.1.27
v6.1.28
v6.1.29
v6.1.3
v6.1.30
v6.1.31
v6.1.32
v6.1.33
v6.1.34
v6.1.35
v6.1.36
v6.1.37
v6.1.38
v6.1.39
v6.1.4
v6.1.40
v6.1.41
v6.1.42
v6.1.43
v6.1.44
v6.1.45
v6.1.46
v6.1.47
v6.1.48
v6.1.49
v6.1.5
v6.1.50
v6.1.51
v6.1.52
v6.1.53
v6.1.54
v6.1.55
v6.1.56
v6.1.6
v6.1.7
v6.1.8
v6.1.9
v6.2
v6.2-rc1
v6.2-rc2
v6.2-rc3
v6.2-rc4
v6.2-rc5
v6.2-rc6
v6.2-rc7
v6.2-rc8
v6.3
v6.3-rc1
v6.3-rc2
v6.3-rc3
v6.3-rc4
v6.3-rc5
v6.3-rc6
v6.3-rc7
v6.4
v6.4-rc1
v6.4-rc2
v6.4-rc3
v6.4-rc4
v6.4-rc5
v6.4-rc6
v6.4-rc7
v6.5
v6.5-rc1
v6.5-rc2
v6.5-rc3
v6.5-rc4
v6.5-rc5
v6.5-rc6
v6.5-rc7
v6.5.1
v6.5.2
v6.5.3
v6.5.4
v6.5.5
v6.5.6
v6.6-rc1

Database specific 

{
    "vanir_signatures": [
        {
            "signature_type": "Function",
            "target": {
                "file": "net/bluetooth/hci_sync.c",
                "function": "hci_dev_close_sync"
            },
            "id": "CVE-2023-52518-255c5045",
            "digest": {
                "length": 2606.0,
                "function_hash": "138388566095515076952124836524431803041"
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b938790e70540bf4f2e653dcd74b232494d06c8f",
            "signature_version": "v1"
        },
        {
            "signature_type": "Function",
            "target": {
                "file": "net/bluetooth/hci_core.c",
                "function": "hci_release_dev"
            },
            "id": "CVE-2023-52518-257fbf91",
            "digest": {
                "length": 748.0,
                "function_hash": "269612816867665299279485723838663326509"
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@626535077ba9dc110787540d1fe24881094c15a1",
            "signature_version": "v1"
        },
        {
            "signature_type": "Function",
            "target": {
                "file": "net/bluetooth/hci_core.c",
                "function": "hci_release_dev"
            },
            "id": "CVE-2023-52518-27f24860",
            "digest": {
                "length": 748.0,
                "function_hash": "269612816867665299279485723838663326509"
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@eea5a8f0c3b7c884d2351e75fbdd0a3d7def5ae1",
            "signature_version": "v1"
        },
        {
            "signature_type": "Line",
            "target": {
                "file": "net/bluetooth/hci_core.c"
            },
            "id": "CVE-2023-52518-2abf6b4d",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "33943256398421284035012376557771855229",
                    "34230078953617088054735732913110411688",
                    "223702392381093982727326718695889451804",
                    "65468377724186977175654261422465525085"
                ]
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b938790e70540bf4f2e653dcd74b232494d06c8f",
            "signature_version": "v1"
        },
        {
            "signature_type": "Line",
            "target": {
                "file": "net/bluetooth/hci_event.c"
            },
            "id": "CVE-2023-52518-4e04679f",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "168677874375001215161149845090803591641",
                    "234424866714265517135235150320131445873",
                    "72143148703625248671423633201073550190",
                    "15124507207556745863693436202741850439"
                ]
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@626535077ba9dc110787540d1fe24881094c15a1",
            "signature_version": "v1"
        },
        {
            "signature_type": "Line",
            "target": {
                "file": "net/bluetooth/hci_sync.c"
            },
            "id": "CVE-2023-52518-64e4912c",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "34695787841259042656178294908306207390",
                    "80608938881490404418292027492665187501",
                    "258794377161775654593054446709620584307",
                    "73219624278508598001330876014715152894"
                ]
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@eea5a8f0c3b7c884d2351e75fbdd0a3d7def5ae1",
            "signature_version": "v1"
        },
        {
            "signature_type": "Function",
            "target": {
                "file": "net/bluetooth/hci_core.c",
                "function": "hci_release_dev"
            },
            "id": "CVE-2023-52518-75ec742e",
            "digest": {
                "length": 748.0,
                "function_hash": "269612816867665299279485723838663326509"
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b938790e70540bf4f2e653dcd74b232494d06c8f",
            "signature_version": "v1"
        },
        {
            "signature_type": "Function",
            "target": {
                "file": "net/bluetooth/hci_sync.c",
                "function": "hci_dev_close_sync"
            },
            "id": "CVE-2023-52518-794ca697",
            "digest": {
                "length": 2606.0,
                "function_hash": "138388566095515076952124836524431803041"
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@eea5a8f0c3b7c884d2351e75fbdd0a3d7def5ae1",
            "signature_version": "v1"
        },
        {
            "signature_type": "Line",
            "target": {
                "file": "net/bluetooth/hci_sync.c"
            },
            "id": "CVE-2023-52518-86ee8174",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "34695787841259042656178294908306207390",
                    "80608938881490404418292027492665187501",
                    "258794377161775654593054446709620584307",
                    "73219624278508598001330876014715152894"
                ]
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b938790e70540bf4f2e653dcd74b232494d06c8f",
            "signature_version": "v1"
        },
        {
            "signature_type": "Line",
            "target": {
                "file": "net/bluetooth/hci_sync.c"
            },
            "id": "CVE-2023-52518-94156912",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "34695787841259042656178294908306207390",
                    "80608938881490404418292027492665187501",
                    "258794377161775654593054446709620584307",
                    "73219624278508598001330876014715152894"
                ]
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@626535077ba9dc110787540d1fe24881094c15a1",
            "signature_version": "v1"
        },
        {
            "signature_type": "Line",
            "target": {
                "file": "net/bluetooth/hci_core.c"
            },
            "id": "CVE-2023-52518-99cfc6d2",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "33943256398421284035012376557771855229",
                    "34230078953617088054735732913110411688",
                    "223702392381093982727326718695889451804",
                    "65468377724186977175654261422465525085"
                ]
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@eea5a8f0c3b7c884d2351e75fbdd0a3d7def5ae1",
            "signature_version": "v1"
        },
        {
            "signature_type": "Function",
            "target": {
                "file": "net/bluetooth/hci_sync.c",
                "function": "hci_dev_close_sync"
            },
            "id": "CVE-2023-52518-a387798f",
            "digest": {
                "length": 2606.0,
                "function_hash": "138388566095515076952124836524431803041"
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@626535077ba9dc110787540d1fe24881094c15a1",
            "signature_version": "v1"
        },
        {
            "signature_type": "Line",
            "target": {
                "file": "net/bluetooth/hci_event.c"
            },
            "id": "CVE-2023-52518-b0602f1c",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "168677874375001215161149845090803591641",
                    "234424866714265517135235150320131445873",
                    "72143148703625248671423633201073550190",
                    "15124507207556745863693436202741850439"
                ]
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@eea5a8f0c3b7c884d2351e75fbdd0a3d7def5ae1",
            "signature_version": "v1"
        },
        {
            "signature_type": "Line",
            "target": {
                "file": "net/bluetooth/hci_event.c"
            },
            "id": "CVE-2023-52518-cd0d8553",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "168677874375001215161149845090803591641",
                    "234424866714265517135235150320131445873",
                    "72143148703625248671423633201073550190",
                    "15124507207556745863693436202741850439"
                ]
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b938790e70540bf4f2e653dcd74b232494d06c8f",
            "signature_version": "v1"
        },
        {
            "signature_type": "Line",
            "target": {
                "file": "net/bluetooth/hci_core.c"
            },
            "id": "CVE-2023-52518-eae0d61c",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "33943256398421284035012376557771855229",
                    "34230078953617088054735732913110411688",
                    "223702392381093982727326718695889451804",
                    "65468377724186977175654261422465525085"
                ]
            },
            "deprecated": false,
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@626535077ba9dc110787540d1fe24881094c15a1",
            "signature_version": "v1"
        }
    ]
}

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.57
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.5.7