cvelist/2023/52xxx/CVE-2023-52618.json

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    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-52618",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock/rnbd-srv: Check for unlikely string overflow\n\nSince \"dev_search_path\" can technically be as large as PATH_MAX,\nthere was a risk of truncation when copying it and a second string\ninto \"full_path\" since it was also PATH_MAX sized. The W=1 builds were\nreporting this warning:\n\ndrivers/block/rnbd/rnbd-srv.c: In function 'process_msg_open.isra':\ndrivers/block/rnbd/rnbd-srv.c:616:51: warning: '%s' directive output may be truncated writing up to 254 bytes into a region of size between 0 and 4095 [-Wformat-truncation=]\n  616 |                 snprintf(full_path, PATH_MAX, \"%s/%s\",\n      |                                                   ^~\nIn function 'rnbd_srv_get_full_path',\n    inlined from 'process_msg_open.isra' at drivers/block/rnbd/rnbd-srv.c:721:14: drivers/block/rnbd/rnbd-srv.c:616:17: note: 'snprintf' output between 2 and 4351 bytes into a destination of size 4096\n  616 |                 snprintf(full_path, PATH_MAX, \"%s/%s\",\n      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n  617 |                          dev_search_path, dev_name);\n      |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~\n\nTo fix this, unconditionally check for truncation (as was already done\nfor the case where \"%SESSNAME%\" was present)."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "1da177e4c3f4",
                                            "version_value": "95bc866c1197"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.10.210",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.15.149",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.1.77",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.6.16",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.7.4",
                                                        "lessThanOrEqual": "6.7.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.8",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/95bc866c11974d3e4a9d922275ea8127ff809cf7",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/95bc866c11974d3e4a9d922275ea8127ff809cf7"
            },
            {
                "url": "https://git.kernel.org/stable/c/f6abd5e17da33eba15df2bddc93413e76c2b55f7",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/f6abd5e17da33eba15df2bddc93413e76c2b55f7"
            },
            {
                "url": "https://git.kernel.org/stable/c/af7bbdac89739e2e7380387fda598848d3b7010f",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/af7bbdac89739e2e7380387fda598848d3b7010f"
            },
            {
                "url": "https://git.kernel.org/stable/c/5b9ea86e662035a886ccb5c76d56793cba618827",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/5b9ea86e662035a886ccb5c76d56793cba618827"
            },
            {
                "url": "https://git.kernel.org/stable/c/a2c6206f18104fba7f887bf4dbbfe4c41adc4339",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/a2c6206f18104fba7f887bf4dbbfe4c41adc4339"
            },
            {
                "url": "https://git.kernel.org/stable/c/9e4bf6a08d1e127bcc4bd72557f2dfafc6bc7f41",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/9e4bf6a08d1e127bcc4bd72557f2dfafc6bc7f41"
            }
        ]
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