Red Hat: CVE-2023-6817: kernel: inactive elements in nft_pipapo_walk (Multiple Advisories)
Description
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PIPAPO (Pile Packet Policies) elements, leading to use-after-free. We recommend upgrading past commit 317eb9685095678f2c9f5a8189de698c5354316a.
Solution(s)
- redhat-upgrade-kernel
- redhat-upgrade-kernel-rt
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