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...
- Published
- Jun 2, 2022
- Updated
- Aug 3, 2024
- Assigning CNA
- mitre
- Evidence observed
- Aug 6, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 86.4%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
9- CVE-2022-32250Exploit
My exploit for CVE-2022-32250 for linux kernel 5.18
- CVE-2022-32250Exploit
Linux kernel exploit for CVE-2022-32250, a use-after-free in nf_tables, with ~70% success rate on kernel 5.13. Built with libmnl and libnftnl.
- CVE-2022-32250-exploitExploit
Linux kernel local privilege escalation exploit for CVE-2022-32250, leveraging a use-after-free vulnerability in NFT_STATEFUL_EXPR to gain root access on affected Ubuntu systems.
Responsible use
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