In Flatpak before 1.18.1, a malicious sandboxed app can replace ~/.var/app/$appid/.ld.so with a symlink, causing regenerate_ld_cache to write files at an arbitrary location. The filenames and content are not attacker controlled, making this…

{
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "Linux"
                    ],
                    "product": "Flatpak",
                    "programFiles": [
                        "common/flatpak-run.c"
                    ],
                    "programRoutines": [
                        {
                            "name": "regenerate_ld_cache"
                        }
                    ],
                    "repo": "https://github.com/flatpak/flatpak",
                    "vendor": "Flatpak",
                    "versions": [
                        {
                            "lessThan": "1.18.1",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }