CVE-2023-53527

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Source

https://cve.org/CVERecord?id=CVE-2023-53527

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53527.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2023-53527

Downstream

BELL-CVE-2023-53527

DEBIAN-CVE-2023-53527

RHSA-2024:2394

SUSE-SU-2025:3751-1

SUSE-SU-2025:4057-1

SUSE-SU-2025:4132-1

UBUNTU-CVE-2023-53527

Related

Published

2025-10-01T11:46:12.696Z

Modified

2026-02-24T07:34:22.616733Z

Summary

thunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request()

Details

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

thunderbolt: Fix memory leak in tbhandledpbandwidthrequest()

The memory allocated in tbqueuedpbandwidthrequest() needs to be released once the request is handled to avoid leaking it.

Database specific

{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53527.json"
}

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

6ce3563520be90a155706bafc186fc264a13850e

Fixed

0752bb32aed2c5dd85821195a507a1079c4835f7

Fixed

596a5123cc782d458b057eb3837e66535cd0befa

Affected versions

v6.*

v6.2

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

v6.4.1

v6.4.10

v6.4.2

v6.4.3

v6.4.4

v6.4.5

v6.4.6

v6.4.7

v6.4.8

v6.4.9

v6.5-rc1

v6.5-rc2

v6.5-rc3

v6.5-rc4

Database specific

vanir_signatures

[
    {
        "digest": {
            "length": 1785.0,
            "function_hash": "65610494257729249930613992550864855061"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@596a5123cc782d458b057eb3837e66535cd0befa",
        "deprecated": false,
        "id": "CVE-2023-53527-16146e41",
        "signature_type": "Function",
        "target": {
            "function": "tb_handle_dp_bandwidth_request",
            "file": "drivers/thunderbolt/tb.c"
        },
        "signature_version": "v1"
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "283338611158348870556949359419333238287",
                "211027396923559006435674138511554101248",
                "255859901477239229645945185172457036640",
                "228221232910486916983173467931015749683"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@596a5123cc782d458b057eb3837e66535cd0befa",
        "deprecated": false,
        "id": "CVE-2023-53527-31d40b88",
        "signature_type": "Line",
        "target": {
            "file": "drivers/thunderbolt/tb.c"
        },
        "signature_version": "v1"
    },
    {
        "digest": {
            "length": 1785.0,
            "function_hash": "65610494257729249930613992550864855061"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0752bb32aed2c5dd85821195a507a1079c4835f7",
        "deprecated": false,
        "id": "CVE-2023-53527-a39b0ad9",
        "signature_type": "Function",
        "target": {
            "function": "tb_handle_dp_bandwidth_request",
            "file": "drivers/thunderbolt/tb.c"
        },
        "signature_version": "v1"
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "283338611158348870556949359419333238287",
                "211027396923559006435674138511554101248",
                "255859901477239229645945185172457036640",
                "228221232910486916983173467931015749683"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0752bb32aed2c5dd85821195a507a1079c4835f7",
        "deprecated": false,
        "id": "CVE-2023-53527-d839aeef",
        "signature_type": "Line",
        "target": {
            "file": "drivers/thunderbolt/tb.c"
        },
        "signature_version": "v1"
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53527.json"

Git / github.com/gregkh/linux