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cvelistMitreCVELIST:CVE-2022-34918
HistoryJul 04, 2022 - 8:07 p.m.

CVE-2022-34918

2022-07-0420:07:32
mitre
www.cve.org
2
linux
kernel
type confusion
buffer overflow
nft_set_elem_init
local attacker
escalate privileges
vulnerability
cve-2022-34918
netfilter
nf_tables_api.

AI Score

7.8

Confidence

High

EPSS

0.006

Percentile

79.2%

An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. (The attacker can obtain root access, but must start with an unprivileged user namespace to obtain CAP_NET_ADMIN access.) This can be fixed in nft_setelem_parse_data in net/netfilter/nf_tables_api.c.