Use After Free in Linux Linux_kernel
CVE-2023-32233
In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. T…
Vulnerability class: Use-After-Free
EPSS: 0.119 (95.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- Netapp Hci_baseboard_management_controller — versions h300s, h410c, h410s
- Redhat Enterprise_linux — versions 7.0, 8.0, 9.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
- Liuk3r/CVE-2023-32233
- oferchen/POC-CVE-2023-32233
- PIDAN-HEIDASHUAI/CVE-2023-32233
- Destawell/gemini-2.5-pro-nf-tables-red-teaming
- NiranjMahaswar/gemini-2.5-pro-nf-tables-red-teaming
- void0red/CVE-2023-32233
- Destawell/gemini-2.5-pro-nf-tables-red-teamin
- NiranjMahaswar/gemini-2.5-pro-nf-tables-red-teamin
- RogelioPumajulca/TEST-CVE-2023-32233
- EnriqueSanchezdelVillar/NotesHck
References
- cve@mitre.org (Patch, Mailing List, Third Party Advisory)
- cve@mitre.org (Patch)
- cve@mitre.org (Patch, Mailing List)
- cve@mitre.org (Issue Tracking)
- cve@mitre.org (Third Party Advisory, Mitigation, Issue Tracking)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Third Party Advisory)
- cve@mitre.org (Mailing List, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-32233?
- CVE-2023-32233 is a high-severity vulnerability in Linux Linux_kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2023-05-08.
- How severe is CVE-2023-32233?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-32233 known to be exploited?
- 51 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.