CVE-2023-53050

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-53050
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53050.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-53050
Downstream
Published
2025-05-02T15:55:06Z
Modified
2025-10-21T15:35:42.483989Z
Summary
thunderbolt: Fix memory leak in margining
Details

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

thunderbolt: Fix memory leak in margining

Memory for the usb4->margining needs to be relased for the upstream port of the router as well, even though the debugfs directory gets released with the router device removal. Fix this.

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
d0f1e0c2a6990922818d6616a48d3d92bb7ddac1
Fixed
f390095bbd131ec2dfb29792d9f6fd0f0656bfc0
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
d0f1e0c2a6990922818d6616a48d3d92bb7ddac1
Fixed
0b357b360e671688f9bf38ff94300515b68bc247
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
d0f1e0c2a6990922818d6616a48d3d92bb7ddac1
Fixed
acec726473822bc6b585961f4ca2a11fa7f28341

Affected versions

v6.*

v6.0
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
v6.1.3
v6.1.4
v6.1.5
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
v6.2.1
v6.2.2
v6.2.3
v6.2.4
v6.2.5
v6.2.6
v6.2.7
v6.2.8
v6.3-rc1

Database specific

vanir_signatures

[
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@acec726473822bc6b585961f4ca2a11fa7f28341",
        "signature_version": "v1",
        "id": "CVE-2023-53050-075d0b6b",
        "signature_type": "Function",
        "digest": {
            "function_hash": "217030031462783830785301798568209819092",
            "length": 203.0
        },
        "deprecated": false,
        "target": {
            "file": "drivers/thunderbolt/debugfs.c",
            "function": "margining_switch_remove"
        }
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f390095bbd131ec2dfb29792d9f6fd0f0656bfc0",
        "signature_version": "v1",
        "id": "CVE-2023-53050-0c2edf55",
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "203627054677347828985011033727858514755",
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                "292777738586399603772175442175046294963",
                "145259068434556436625702222471796994371",
                "219284973050523719148407746430465279642",
                "208911274755107606599479663024466184739",
                "310056328663918410548393799007237074951",
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                "317054978145692993252215533574113126007",
                "255416892335488384970040889604824800366",
                "303546564743073588942060464022267543465",
                "215130223093689765824608216104845173523",
                "180584609031669789525468214634575974782",
                "225278389013965804117440523768868649434",
                "108712162459261132236188716409324024575"
            ]
        },
        "deprecated": false,
        "target": {
            "file": "drivers/thunderbolt/debugfs.c"
        }
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0b357b360e671688f9bf38ff94300515b68bc247",
        "signature_version": "v1",
        "id": "CVE-2023-53050-1ea355da",
        "signature_type": "Function",
        "digest": {
            "function_hash": "217030031462783830785301798568209819092",
            "length": 203.0
        },
        "deprecated": false,
        "target": {
            "file": "drivers/thunderbolt/debugfs.c",
            "function": "margining_switch_remove"
        }
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@acec726473822bc6b585961f4ca2a11fa7f28341",
        "signature_version": "v1",
        "id": "CVE-2023-53050-4e107c44",
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "203627054677347828985011033727858514755",
                "59665730127601410522664955969074261451",
                "292777738586399603772175442175046294963",
                "145259068434556436625702222471796994371",
                "219284973050523719148407746430465279642",
                "208911274755107606599479663024466184739",
                "310056328663918410548393799007237074951",
                "340043020023236221310625203639614849932",
                "317054978145692993252215533574113126007",
                "255416892335488384970040889604824800366",
                "303546564743073588942060464022267543465",
                "215130223093689765824608216104845173523",
                "180584609031669789525468214634575974782",
                "225278389013965804117440523768868649434",
                "108712162459261132236188716409324024575"
            ]
        },
        "deprecated": false,
        "target": {
            "file": "drivers/thunderbolt/debugfs.c"
        }
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0b357b360e671688f9bf38ff94300515b68bc247",
        "signature_version": "v1",
        "id": "CVE-2023-53050-67bac88d",
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "203627054677347828985011033727858514755",
                "59665730127601410522664955969074261451",
                "292777738586399603772175442175046294963",
                "145259068434556436625702222471796994371",
                "219284973050523719148407746430465279642",
                "208911274755107606599479663024466184739",
                "310056328663918410548393799007237074951",
                "340043020023236221310625203639614849932",
                "317054978145692993252215533574113126007",
                "255416892335488384970040889604824800366",
                "303546564743073588942060464022267543465",
                "215130223093689765824608216104845173523",
                "180584609031669789525468214634575974782",
                "225278389013965804117440523768868649434",
                "108712162459261132236188716409324024575"
            ]
        },
        "deprecated": false,
        "target": {
            "file": "drivers/thunderbolt/debugfs.c"
        }
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f390095bbd131ec2dfb29792d9f6fd0f0656bfc0",
        "signature_version": "v1",
        "id": "CVE-2023-53050-9c5dc657",
        "signature_type": "Function",
        "digest": {
            "function_hash": "185876006490385577403255051037947940549",
            "length": 350.0
        },
        "deprecated": false,
        "target": {
            "file": "drivers/thunderbolt/debugfs.c",
            "function": "margining_port_remove"
        }
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@acec726473822bc6b585961f4ca2a11fa7f28341",
        "signature_version": "v1",
        "id": "CVE-2023-53050-b952b44e",
        "signature_type": "Function",
        "digest": {
            "function_hash": "185876006490385577403255051037947940549",
            "length": 350.0
        },
        "deprecated": false,
        "target": {
            "file": "drivers/thunderbolt/debugfs.c",
            "function": "margining_port_remove"
        }
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0b357b360e671688f9bf38ff94300515b68bc247",
        "signature_version": "v1",
        "id": "CVE-2023-53050-e6d8949b",
        "signature_type": "Function",
        "digest": {
            "function_hash": "185876006490385577403255051037947940549",
            "length": 350.0
        },
        "deprecated": false,
        "target": {
            "file": "drivers/thunderbolt/debugfs.c",
            "function": "margining_port_remove"
        }
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f390095bbd131ec2dfb29792d9f6fd0f0656bfc0",
        "signature_version": "v1",
        "id": "CVE-2023-53050-ec689068",
        "signature_type": "Function",
        "digest": {
            "function_hash": "217030031462783830785301798568209819092",
            "length": 203.0
        },
        "deprecated": false,
        "target": {
            "file": "drivers/thunderbolt/debugfs.c",
            "function": "margining_switch_remove"
        }
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.1.0
Fixed
6.1.22
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.2.9