Описание
net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.
net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2017-17450
- https://lkml.org/lkml/2017/12/5/982
- https://usn.ubuntu.com/3583-1
- https://usn.ubuntu.com/3583-2
- https://usn.ubuntu.com/3617-1
- https://usn.ubuntu.com/3617-2
- https://usn.ubuntu.com/3617-3
- https://usn.ubuntu.com/3619-1
- https://usn.ubuntu.com/3619-2
- https://usn.ubuntu.com/3632-1
- https://www.debian.org/security/2017/dsa-4073
- https://www.debian.org/security/2018/dsa-4082
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
- http://www.securityfocus.com/bid/102110
Связанные уязвимости
net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.
net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.
net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.
net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not req ...
ALT-PU-2017-2788: package `kernel-image-un-def` update to version 4.14.5-alt1