Kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove()
CVE-2023-4004
7.8HIGH
Key Information:
What is CVE-2023-4004?
A use-after-free vulnerability has been identified within the netfilter component of the Linux kernel, specifically in the nft_pipapo_remove function. This flaw occurs when a user attempts to manipulate the function without a properly defined NFT_SET_EXT_KEY_END. Exploitation of this vulnerability could potentially lead to local system crashes or allow an authenticated user to gain elevated privileges, posing a risk to system integrity and security.
Affected Version(s)
Red Hat Enterprise Linux 8 0:4.18.0-477.27.1.rt7.290.el8_8
Red Hat Enterprise Linux 8 0:4.18.0-477.27.1.el8_8
Red Hat Enterprise Linux 8.2 Advanced Update Support 0:4.18.0-193.119.1.el8_2