CVE-2026-41163

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Esto permite al atacante usar arbitrariamente las operaciones privilegiadas, y en particular la operaci\u00f3n de 'montaje superpuesto', permitiendo la creaci\u00f3n de montajes superpuestos, lo cual de otro modo no est\u00e1 permitido en la versi\u00f3n setuid de bubblewrap. 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{"bugzilla": {"description": "bubblewrap: bubblewrap: Privilege escalation via ptrace when installed in setuid mode", "id": "2468439", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468439"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-266", "details": ["A flaw was found in bubblewrap when operating in setuid mode. A local user may use ptrace to interfere with the sandbox setup process and gain access to privileged operations that are normally restricted. This could allow an attacker to bypass intended sandboxing restrictions and potentially elevate privileges on the system."], "name": "CVE-2026-41163", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "bubblewrap", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "bubblewrap", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "bubblewrap", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-05-09T03:56:51Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-41163\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-41163\nhttps://github.com/containers/bubblewrap/releases/tag/v0.11.2\nhttps://github.com/containers/bubblewrap/security/advisories/GHSA-xq78-7hw4-5jvp"], "statement": "This vulnerability affects bubblewrap's setuid mode. During sandbox initialization, insufficient isolation between privileged and unprivileged processing stages allows a local attacker to manipulate the sandbox setup process using ptrace.\n```\nThe vulnerability relies on support for overlay filesystem mounts. The overlayfs mount support was added in bubblewrap version 0.11.0 and that versions prior to 0.11.0 do not support overlay mounts.\nRed Hat products currently ship bubblewrap versions that predate the introduction of overlay mount support. As a result, the vulnerable functionality is not present and Red Hat products are not affected by this issue.\n```", "threat_severity": "Important"}

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