ExploitPublished
Linux nf_tables 6.19.3 · Local Privilege Escalation
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Severity
HighRated by Threat Radar
Data as of 10 May 2026, 02:30 UTC
What to do
AI-suggested
Until an official fix is available, restrict local user access and monitor for suspicious activity related to nf_tables usage.
Description
Linux nf_tables 6.19.3 - Local Privilege Escalation
Indicators of compromise
Exploit source code
* Exploit Title: Linux Kernel 3.16 – 6.19.3 nf_tables RCU UAF LPE
* CVE: CVE-2026-23231
* Date: 2026-03-19
* Exploit Author: Aviral Srivastava
* Vendor: Linux Kernel (kernel.org)
* Affected: 3.16 – 6.19.3
* Fixed in: 6.1.165, 6.6.128, 6.12.75, 6.18.14, 6.19.4
* (commit 71e99ee20fc3f662555118cf1159443250647533)
* Tested on: Ubuntu 24.04 LTS (kernel 6.8.0-45-generic x86_64)
* Type: Local Privilege Escalation
* Plat…References
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