{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-29111",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-03-03T21:54:06.709Z",
        "datePublished": "2026-03-23T21:03:56.120Z",
        "dateUpdated": "2026-03-25T19:13:11.875Z"
    },
    "containers": {
        "cna": {
            "title": "systemd: Local unprivileged user can trigger an assert",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-269",
                            "lang": "en",
                            "description": "CWE-269: Improper Privilege Management",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "HIGH",
                        "baseScore": 5.5,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/systemd/systemd/security/advisories/GHSA-gx6q-6f99-m764",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/systemd/systemd/security/advisories/GHSA-gx6q-6f99-m764"
                },
                {
                    "name": "https://github.com/systemd/systemd/commit/1d22f706bd04f45f8422e17fbde3f56ece17758a",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/systemd/systemd/commit/1d22f706bd04f45f8422e17fbde3f56ece17758a"
                },
                {
                    "name": "https://github.com/systemd/systemd/commit/20021e7686426052e3a7505425d7e12085feb2a6",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/systemd/systemd/commit/20021e7686426052e3a7505425d7e12085feb2a6"
                },
                {
                    "name": "https://github.com/systemd/systemd/commit/21167006574d6b83813c7596759b474f56562412",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/systemd/systemd/commit/21167006574d6b83813c7596759b474f56562412"
                },
                {
                    "name": "https://github.com/systemd/systemd/commit/3cee294fe8cf4fa0eff933ab21416d099942cabd",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/systemd/systemd/commit/3cee294fe8cf4fa0eff933ab21416d099942cabd"
                },
                {
                    "name": "https://github.com/systemd/systemd/commit/42aee39107fbdd7db1ccd402a2151822b2805e9f",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/systemd/systemd/commit/42aee39107fbdd7db1ccd402a2151822b2805e9f"
                },
                {
                    "name": "https://github.com/systemd/systemd/commit/54588d2dedff54bfb6036670820650e4ea74628f",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/systemd/systemd/commit/54588d2dedff54bfb6036670820650e4ea74628f"
                },
                {
                    "name": "https://github.com/systemd/systemd/commit/7ac3220213690e8a8d6d2a6e81e43bd1dce01d69",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/systemd/systemd/commit/7ac3220213690e8a8d6d2a6e81e43bd1dce01d69"
                },
                {
                    "name": "https://github.com/systemd/systemd/commit/80acea4ef80a4bb78560ed970c34952299b890d6",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/systemd/systemd/commit/80acea4ef80a4bb78560ed970c34952299b890d6"
                },
                {
                    "name": "https://github.com/systemd/systemd/commit/b5fd14693057e5f2c9b4a49603be64ec3608ff6c",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/systemd/systemd/commit/b5fd14693057e5f2c9b4a49603be64ec3608ff6c"
                },
                {
                    "name": "https://github.com/systemd/systemd/commit/efa6ba2ab625aaa160ac435a09e6482fc63bdbe8",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/systemd/systemd/commit/efa6ba2ab625aaa160ac435a09e6482fc63bdbe8"
                }
            ],
            "affected": [
                {
                    "vendor": "systemd",
                    "product": "systemd",
                    "versions": [
                        {
                            "version": ">= 239, < 257.11",
                            "status": "affected"
                        },
                        {
                            "version": ">= 258, < 258.5",
                            "status": "affected"
                        },
                        {
                            "version": ">= 259, < 259.2",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-03-23T21:03:56.120Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "systemd, a system and service manager, (as PID 1) hits an assert and freezes execution when an unprivileged IPC API call is made with spurious data. On version v249 and older the effect is not an assert, but stack overwriting, with the attacker controlled content. From version v250 and newer this is not possible as the safety check causes an assert instead. This IPC call was added in v239, so versions older than that are not affected. Versions 260-rc1, 259.2, 258.5, and 257.11 contain patches. No known workarounds are available."
                }
            ],
            "source": {
                "advisory": "GHSA-gx6q-6f99-m764",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-03-25T19:12:36.640498Z",
                                "id": "CVE-2026-29111",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-03-25T19:13:11.875Z"
                }
            }
        ]
    }
}