CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се локално, без особени условия, с обикновен потребителски вход и след действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
The nsenter --join-cgroup option opens the target cgroup.procs file as root and leaves that file descriptor open across later namespace and credential changes and across execve(). Because the kernel checks later cgroup migrations using the credentials from the original open, a program run in an attacker-controlled target can inherit root's ability to move host processes between cgroups. After a privileged operator uses --join-cgroup against that target, an unprivileged user can migrate and terminate unrelated root processes.
Засегнати продукти
- Red Hat Red Hat Enterprise Linux 10: от 0:2.40.2-18.el10_2.20 нататък
- Red Hat Red Hat Hardened Images: от 2.42.2-3.4.hum1 нататък
- Red Hat Red Hat Enterprise Linux 7
- Red Hat Red Hat Enterprise Linux 8
- Red Hat Red Hat Enterprise Linux 9
- Red Hat Red Hat Enterprise Linux 9
- Red Hat Red Hat Enterprise Linux 9
- Red Hat Red Hat OpenShift Container Platform 4
- Red Hat Red Hat OpenShift Container Platform 4
- Red Hat Red Hat OpenShift Container Platform 5
Вид слабост
История
- 2 септември 2026 Публикувано
Други уязвимости в Red Hat Red Hat Enterprise Linux 10
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-78408
- https://nvd.nist.gov/vuln/detail/CVE-2026-78408
- https://access.redhat.com/errata/RHSA-2026:63162
- https://access.redhat.com/errata/RHSA-2026:93461
- https://access.redhat.com/security/cve/CVE-2026-78408
- https://bugzilla.redhat.com/show_bug.cgi?id=2522497
- https://github.com/util-linux/util-linux/security/advisories/GHSA-55fx-f4gg-cfhj
- http://www.openwall.com/lists/oss-security/2026/09/05/2