CVE-2022-32250: Debian Linux

High severity, CVSS 7.8. EPSS: 2.9% chance of exploitation in the next 30 days.

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.

Affected products

• Debian Debian Linux: version 9.0 only; version 10.0 only
• Fedoraproject Fedora: version 35 only; version 36 only
• Linux Linux Kernel: from 4.1, before 4.9.318 (fixed in 4.9.318); from 4.10, before 4.14.283 (fixed in 4.14.283); from 4.15, before 4.19.247 (fixed in 4.19.247); from 4.20, before 5.4.198 (fixed in 5.4.198); from 5.5, before 5.10.120 (fixed in 5.10.120); from 5.11, before 5.15.45 (fixed in 5.15.45); …
• Netapp h300s Firmware: affected versions not specified
• Netapp h410c Firmware: affected versions not specified
• Netapp h410s Firmware: affected versions not specified
• Netapp h500s Firmware: affected versions not specified
• Netapp h700s Firmware: affected versions not specified

Published 2022-06-02. Last modified 2026-06-17.