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CVE-2024-0193

Public on 2024-01-02
Modified on 2024-03-01
Description

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.

Severity
Important
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CVSS v3 Base Score
7.8
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Kernel-5.10 Extra kernel 2024-01-19 02:20 ALAS2KERNEL-5.10-2024-046
Amazon Linux 2 - Kernel-5.15 Extra kernel 2024-01-19 02:20 ALAS2KERNEL-5.15-2024-034
Amazon Linux 2023 kernel 2024-01-19 01:31 ALAS2023-2024-488

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Red Hat: CVE-2024-0193 Mitre: CVE-2024-0193 FAQs regarding Amazon Linux ALAS/CVE Severity