Tracker / CVE-2023-4015
CVE-2023-4015
High 7.8
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. On an error when building a nftables rule, deactivating immediate expressions in nft_immediate_deactivate() can lead unbinding the chain and objects be deactivated but later used. We recommend upgrading past commit 0a771f7b266b02d262900c75f1e175c7fe76fec2.
Affected products and versions
| debian | debian_linux |
|---|---|
| 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 |
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.