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CVE-2017-17448

CVE-2017-17448

EPSS 0.4%
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.
Affected products
n/a · n/a

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References
https://access.redhat.com/errata/RHSA-2018:0654https://access.redhat.com/errata/RHSA-2018:0676https://access.redhat.com/errata/RHSA-2018:1062https://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/