CVE-2023-1513

A flaw was found in KVM. When calling the KVM_GET_DEBUGREGS ioctl, on 32-bit systems, there might be some uninitialized portions of the kvm_debugregs structure that could be copied to userspace, causing an information leak.

Database specific

{
    "cna_assigner": "redhat",
    "cwe_ids": [
        "CWE-665"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1513.json"
}

References

Affected packages

Git / github.com/torvalds/linux

Affected ranges

Type

GIT

Repo

https://github.com/torvalds/linux

Events

Introduced

c9c3395d5e3dcc6daee66c6908354d47bf98cb0c

Fixed

2c10b61421a28e95a46ab489fd56c0f442ff6952

Database specific

Show details

{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "Fixed in kernel 6.2"
                },
                {
                    "last_affected": "Fixed in kernel 6.2"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "fixed": "2c10b61421a28e95a46ab489fd56c0f442ff6952"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

Fixed in kernel 6.*

Fixed in kernel 6.2

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-1513.json"

vanir_signatures

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    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
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                "121992741156330053332515258943500417631"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2023-1513-3ad248ec",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/torvalds/linux/commit/2c10b61421a28e95a46ab489fd56c0f442ff6952",
        "target": {
            "file": "arch/x86/kvm/x86.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "159555496356222269341632007985778608139",
            "length": 342
        },
        "id": "CVE-2023-1513-f791078b",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/torvalds/linux/commit/2c10b61421a28e95a46ab489fd56c0f442ff6952",
        "target": {
            "file": "arch/x86/kvm/x86.c",
            "function": "kvm_vcpu_ioctl_x86_get_debugregs"
        }
    }
]

vanir_signatures_modified

"2026-10-22T15:55:33Z"