As cited
Copy frozen at (site build).
vulnerabilities
High-severity vulnerability in Linux caused by a single faulty character
A high-severity vulnerability in the Linux kernel's nf_tables subsystem, tracked as CVE-2026-23111, allows unprivileged users to escalate privileges to root. The flaw stems from a single errant character in the code that introduces a use-after-free vulnerability, which corrupts memory by writing malicious code to improperly freed memory addresses. The nf_tables subsystem provides packet filtering and firewall rule management functionality.
Why it matters: This is a local privilege escalation affecting Linux systems; evaluate your kernel version against available patches and prioritize updates for systems where untrusted users have local access.
- Source published
- First seen by Cybersecurity Tracker
Source attribution
Correction
Correction recorded as of .
vulnerabilities
High-severity vulnerability in Linux caused by a single faulty character
A high-severity vulnerability in the Linux kernel's nf_tables subsystem, tracked as CVE-2026-23111, allows unprivileged users to escalate privileges to root. The flaw stems from a single errant character in the code that introduces a use-after-free vulnerability, which corrupts memory by writing malicious code to improperly freed memory addresses. The nf_tables subsystem provides packet filtering and firewall rule management functionality.
Why it matters: This is a local privilege escalation affecting Linux systems; evaluate your kernel version against available patches and prioritize updates for systems where untrusted users have local access.
- Source published
- First seen by Cybersecurity Tracker