Use-After-Free in Codeready Linux Builder For Ibm Z Systems Eus (CVE-2024-0193)
Summary
Vulnerability in Codeready Linux Builder For Ibm Z Systems Eus (CVE-2024-0193). Successful exploitation can lead to full system takeover.
Original description
The description as published by the source.
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.
Source: NIST National Vulnerability Database NVD
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2024-0193 has been found in Codeready Linux Builder For Ibm Z Systems Eus.
Successful exploitation can lead to full system takeover. CVSS score: 7.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Codeready Linux Builder For Ibm Z Systems Eus CVE-2024-0193" on the vendor's site.
CVE-2024-0193 (Codeready Linux Builder For Ibm Z Systems Eus) — CWE-416 / CVSS v3 7.8
Attack vector: local / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Use-after-free (CWE-416) exists in Codeready Linux Builder For Ibm Z Systems Eus.
Check the vendor advisory for the affected versions of Codeready Linux Builder For Ibm Z Systems Eus.
Severity: High (CVSS 7.8/10). Successful exploitation can lead to full system takeover.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Codeready Linux Builder For Ibm Z Systems Eus を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2024-0193 linux Fixed in: 5.10.205-1
- Ubuntu UBUNTU-CVE-2024-0193 linux-hwe-edge
References
- advisory access.redhat.com
- patch access.redhat.com
- patch access.redhat.com
- patch access.redhat.com
- patch access.redhat.com
- patch access.redhat.com
- patch access.redhat.com
- patch bugzilla.redhat.com