CVE-2024-0193

CVE-2024-0193 is a high-severity vulnerability in Redhat Codeready Linux Builder For Eus with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

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.

Frequently asked questions

What is 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.
How severe is CVE-2024-0193?
CVE-2024-0193 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-0193 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-0193?
CVE-2024-0193 primarily affects Redhat Codeready Linux Builder For Eus. In total, 62 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-0193?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-0193 have an EU (EUVD) identifier?
Yes. CVE-2024-0193 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-15992.
When was CVE-2024-0193 published?
CVE-2024-0193 was published on 2024-01-02 and last updated on 2026-06-17.

References

Affected products (62)

More vulnerabilities in Redhat Codeready Linux Builder For Eus

All CVEs affecting Redhat Codeready Linux Builder For Eus →

Other CWE-416 (Use After Free) vulnerabilities

Browse all CWE-416 (Use After Free) vulnerabilities →