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MitreCVELIST:CVE-2021-46283HistoryJan 11, 2022 - 9:19 p.m.
CVE-2021-46283
2022-01-1121:19:38
mitre
www.cve.org
4
linux
kernel
vulnerability
nf_tables_newset
netfilter
denial of service
null pointer
general protection fault
missing initialization
nft_set_elem_expr_alloc
namespace
nf_tables_newset in net/netfilter/nf_tables_api.c in the Linux kernel before 5.12.13 allows local users to cause a denial of service (NULL pointer dereference and general protection fault) because of the missing initialization for nft_set_elem_expr_alloc. A local user can set a netfilter table expression in their own namespace.
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