Security Advisory

CVE-2022-34918

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2022-07-04 20:07:32

Last updated 2024-08-03 09:22:10

Assigner mitre

State PUBLISHED

Description

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.

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