Описание
net/netfilter/nfnetlink_cthelper.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for new, get, and del operations, which allows local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces.
net/netfilter/nfnetlink_cthelper.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for new, get, and del operations, which allows local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces.
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2017-17448
- https://access.redhat.com/errata/RHSA-2018:0654
- https://access.redhat.com/errata/RHSA-2018:0676
- https://access.redhat.com/errata/RHSA-2018:1062
- https://patchwork.kernel.org/patch/10089373
- 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/3620-1
- https://usn.ubuntu.com/3620-2
- https://usn.ubuntu.com/3632-1
- https://www.debian.org/security/2017/dsa-4073
- https://www.debian.org/security/2018/dsa-4082
- http://www.securityfocus.com/bid/102117
Связанные уязвимости
net/netfilter/nfnetlink_cthelper.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for new, get, and del operations, which allows local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces.
net/netfilter/nfnetlink_cthelper.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for new, get, and del operations, which allows local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces.
net/netfilter/nfnetlink_cthelper.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for new, get, and del operations, which allows local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces.
net/netfilter/nfnetlink_cthelper.c in the Linux kernel through 4.14.4 ...
ELSA-2018-4110: Unbreakable Enterprise kernel security update (IMPORTANT)