Use After Free Affecting kernel-core package, versions <0:5.14.0-284.55.1.el9_2
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Test your applications- Snyk ID SNYK-RHEL9-KERNELCORE-6316019
- published 29 Feb 2024
- disclosed 2 Jan 2024
Introduced: 2 Jan 2024
CVE-2024-0193 Open this link in a new tabHow to fix?
Upgrade RHEL:9 kernel-core to version 0:5.14.0-284.55.1.el9_2 or higher.
This issue was patched in RHSA-2024:1018.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-core package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
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.