CVE-2023-52450

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-52450
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52450.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-52450
Downstream
Related
Published
2024-02-22T16:21:41Z
Modified
2025-10-21T14:17:31.247524Z
Summary
perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()
Details

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

perf/x86/intel/uncore: Fix NULL pointer dereference issue in upifilltopology()

Get logical socket id instead of physical id in discoverupitopology() to avoid out-of-bound access on 'upi = &type->topology[nid][idx];' line that leads to NULL pointer dereference in upifilltopology()

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
f680b6e6062ef3c944ffc966d685f067958fca33
Fixed
bf1bf09e6b599758851457f3999779622a48d015
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
f680b6e6062ef3c944ffc966d685f067958fca33
Fixed
3d6f4a78b104c65e4256c3776c9949f49a1b459e
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
f680b6e6062ef3c944ffc966d685f067958fca33
Fixed
1692cf434ba13ee212495b5af795b6a07e986ce4

Affected versions

v6.*

v6.1
v6.1-rc3
v6.1-rc4
v6.1-rc5
v6.1-rc6
v6.1-rc7
v6.1-rc8
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
v6.6
v6.6-rc1
v6.6-rc2
v6.6-rc3
v6.6-rc4
v6.6-rc5
v6.6-rc6
v6.6-rc7
v6.6.1
v6.6.10
v6.6.11
v6.6.12
v6.6.13
v6.6.2
v6.6.3
v6.6.4
v6.6.5
v6.6.6
v6.6.7
v6.6.8
v6.6.9
v6.7
v6.7-rc1
v6.7-rc2
v6.7-rc3
v6.7-rc4
v6.7-rc5
v6.7-rc6
v6.7-rc7
v6.7-rc8
v6.7.1

Database specific

vanir_signatures

[
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@bf1bf09e6b599758851457f3999779622a48d015",
        "deprecated": false,
        "id": "CVE-2023-52450-107528b7",
        "target": {
            "function": "discover_upi_topology",
            "file": "arch/x86/events/intel/uncore_snbep.c"
        },
        "digest": {
            "function_hash": "190661642937262311981910557134240223952",
            "length": 881.0
        },
        "signature_type": "Function"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3d6f4a78b104c65e4256c3776c9949f49a1b459e",
        "deprecated": false,
        "id": "CVE-2023-52450-35cc6d5f",
        "target": {
            "file": "arch/x86/events/intel/uncore_snbep.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "126517344538931046253499099444647577074",
                "321694955872541979978590146007011130758",
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                "108587633537507210242609878158511307392",
                "244411579145064416438799377980138889895"
            ]
        },
        "signature_type": "Line"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1692cf434ba13ee212495b5af795b6a07e986ce4",
        "deprecated": false,
        "id": "CVE-2023-52450-5ffbde0c",
        "target": {
            "file": "arch/x86/events/intel/uncore_snbep.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "126517344538931046253499099444647577074",
                "321694955872541979978590146007011130758",
                "235799952801942504386960972645510210854",
                "131646046077355484426446657467352295353",
                "73484488284156177011333302811809481381",
                "316935400857129509382769693565444305422",
                "269527656933255512952387117599353018244",
                "309696406312605702807125836411107307757",
                "271694716416809909088972018572558162020",
                "281259382400783875927852366432194611817",
                "291896213835150478023167614899355857899",
                "81349835723810761116707704602341327634",
                "108587633537507210242609878158511307392",
                "244411579145064416438799377980138889895"
            ]
        },
        "signature_type": "Line"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1692cf434ba13ee212495b5af795b6a07e986ce4",
        "deprecated": false,
        "id": "CVE-2023-52450-9451e0ee",
        "target": {
            "function": "discover_upi_topology",
            "file": "arch/x86/events/intel/uncore_snbep.c"
        },
        "digest": {
            "function_hash": "190661642937262311981910557134240223952",
            "length": 881.0
        },
        "signature_type": "Function"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@bf1bf09e6b599758851457f3999779622a48d015",
        "deprecated": false,
        "id": "CVE-2023-52450-99324215",
        "target": {
            "file": "arch/x86/events/intel/uncore_snbep.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "126517344538931046253499099444647577074",
                "321694955872541979978590146007011130758",
                "235799952801942504386960972645510210854",
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                "73484488284156177011333302811809481381",
                "316935400857129509382769693565444305422",
                "269527656933255512952387117599353018244",
                "309696406312605702807125836411107307757",
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                "291896213835150478023167614899355857899",
                "81349835723810761116707704602341327634",
                "108587633537507210242609878158511307392",
                "244411579145064416438799377980138889895"
            ]
        },
        "signature_type": "Line"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3d6f4a78b104c65e4256c3776c9949f49a1b459e",
        "deprecated": false,
        "id": "CVE-2023-52450-e85114d0",
        "target": {
            "function": "discover_upi_topology",
            "file": "arch/x86/events/intel/uncore_snbep.c"
        },
        "digest": {
            "function_hash": "190661642937262311981910557134240223952",
            "length": 881.0
        },
        "signature_type": "Function"
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.14
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.7.2