imPC@ndo IT

Tracker / CVE-2023-4147

CVE-2023-4147

High 7.8

A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.

Affected products and versions

debian debian_linux
fedoraproject fedora
linux linux_kernel
linux linux_kernel · 5.11 → 5.15.124
linux linux_kernel · 5.16 → 6.1.43
linux linux_kernel · 5.9 → 5.10.190
linux linux_kernel · 6.2 → 6.4.8
redhat enterprise_linux
redhat enterprise_linux_eus
redhat enterprise_linux_for_real_time
redhat enterprise_linux_for_real_time_for_nfv
redhat enterprise_linux_server_aus

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References