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

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.