Описание
In the Linux kernel, the following vulnerability has been resolved:
landlock: Fix d_parent walk
The WARN_ON_ONCE() in collect_domain_accesses() can be triggered when trying to link a root mount point. This cannot work in practice because this directory is mounted, but the VFS check is done after the call to security_path_link().
Do not use source directory's d_parent when the source directory is the mount point.
[mic: Fix commit message]
In the Linux kernel, the following vulnerability has been resolved:
landlock: Fix d_parent walk
The WARN_ON_ONCE() in collect_domain_accesses() can be triggered when trying to link a root mount point. This cannot work in practice because this directory is mounted, but the VFS check is done after the call to security_path_link().
Do not use source directory's d_parent when the source directory is the mount point.
[mic: Fix commit message]
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2024-40938
- https://git.kernel.org/stable/c/88da52ccd66e65f2e63a6c35c9dff55d448ef4dc
- https://git.kernel.org/stable/c/b6e5e696435832b33e40775f060ef5c95f4fda1f
- https://git.kernel.org/stable/c/c7618c7b0b8c45bcef34410cc1d1e953eb17f8f6
- https://git.kernel.org/stable/c/cc30d05b34f9a087a6928d09b131f7b491e9ab11
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Связанные уязвимости
In the Linux kernel, the following vulnerability has been resolved: landlock: Fix d_parent walk The WARN_ON_ONCE() in collect_domain_accesses() can be triggered when trying to link a root mount point. This cannot work in practice because this directory is mounted, but the VFS check is done after the call to security_path_link(). Do not use source directory's d_parent when the source directory is the mount point. [mic: Fix commit message]
In the Linux kernel, the following vulnerability has been resolved: landlock: Fix d_parent walk The WARN_ON_ONCE() in collect_domain_accesses() can be triggered when trying to link a root mount point. This cannot work in practice because this directory is mounted, but the VFS check is done after the call to security_path_link(). Do not use source directory's d_parent when the source directory is the mount point. [mic: Fix commit message]
In the Linux kernel, the following vulnerability has been resolved: landlock: Fix d_parent walk The WARN_ON_ONCE() in collect_domain_accesses() can be triggered when trying to link a root mount point. This cannot work in practice because this directory is mounted, but the VFS check is done after the call to security_path_link(). Do not use source directory's d_parent when the source directory is the mount point. [mic: Fix commit message]
In the Linux kernel, the following vulnerability has been resolved: l ...
Уязвимость компонента landlock ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании