CVE-2024-0193

A use-after-free flaw was found in the netfilter subsystem of the Linux kernel. If the catchall element is garbage-collected when the pipapo set is removed, the element can be deactivated twice. This can cause a use-after-free issue on an NFT_CHAIN object or NFT_OBJECT object, allowing a local unprivileged user with CAP_NET_ADMIN capability to escalate their privileges on the system.

More information : https://access.redhat.com/errata/RHSA-2024:1018

Attack vector : LOCAL
Attack complexity : LOW
Privileges required : HIGH
User interaction : NONE
Confidentiality impact : HIGH
Integrity impact : HIGH
Base score : 6.7
Base severity : MEDIUM
Exploitability score : 0.8
Impact score : 5.9