CVE-2022-32250

net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

2.9% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-25)

CWE

CWE-416

Published

2022-06-02

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• debian:debian_linux
• fedoraproject:fedora
• linux:linux_kernel
• netapp:h300s_firmware
• netapp:h410c_firmware
• netapp:h410s_firmware
• netapp:h500s_firmware
• netapp:h700s_firmware

References

• http://www.openwall.com/lists/oss-security/2022/06/03/1
• http://www.openwall.com/lists/oss-security/2022/06/04/1
• http://www.openwall.com/lists/oss-security/2022/06/20/1
• http://www.openwall.com/lists/oss-security/2022/07/03/5
• http://www.openwall.com/lists/oss-security/2022/07/03/6

Check your stackJSON