CVE-2021-46283

Description

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.

CVSS Version 3.1
CVSS Version 2.0

nvd
CVE ID: CVE-2021-46283
Base Score: 5.5
Base Severity: MEDIUM
Vector String:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8

nvd
CVE ID: CVE-2021-46283
Base Score: 4.9
Base Severity: MEDIUM
Vector String:AV:L/AC:L/Au:N/C:N/I:N/A:C

Refrence: NVD

Description​

Description