{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72104",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-09T03:40:39.906Z",
        "datePublished": "2026-08-15T05:52:47.458Z",
        "dateUpdated": "2026-08-15T05:52:47.458Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-15T05:52:47.458Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm-pcache: reject option groups without values\n\nThe pcache target parses optional arguments as name/value pairs.  A\ntable that advertises one optional argument and supplies only a\nrecognized option name, for example \"cache_mode\", reaches\nparse_cache_opts() with argc == 1.  The parser consumes the name,\ndecrements argc to zero, then calls dm_shift_arg() again for the value.\ndm_shift_arg() returns NULL when no arguments remain, and the following\nstrcmp() dereferences that NULL pointer.\n\nCheck that each recognized option has a value before consuming it.  This\nkeeps valid \"cache_mode writeback\" and \"data_crc true/false\" tables\nunchanged while making malformed tables fail during target construction\nwith a precise missing-value error."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/dm-pcache/dm_pcache.c"
                    ],
                    "versions": [
                        {
                            "version": "1d57628ff95b32d5cfa8d8f50e07690c161e9cf0",
                            "lessThan": "1247615aadb74c89c1b2f01a6de7df9dab92ecb3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1d57628ff95b32d5cfa8d8f50e07690c161e9cf0",
                            "lessThan": "0cbe13fe540330d31e5273bbf8cbd66bc7c9cb5a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1d57628ff95b32d5cfa8d8f50e07690c161e9cf0",
                            "lessThan": "d9c631e3fbd44246a2be781d26cfacbb9b8ec127",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/dm-pcache/dm_pcache.c"
                    ],
                    "versions": [
                        {
                            "version": "6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2-rc3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "6.18.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "7.2-rc3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1247615aadb74c89c1b2f01a6de7df9dab92ecb3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0cbe13fe540330d31e5273bbf8cbd66bc7c9cb5a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d9c631e3fbd44246a2be781d26cfacbb9b8ec127"
                }
            ],
            "title": "dm-pcache: reject option groups without values",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}