Vulnerability in Ibm Kernel (CVE-2016-5011)
Summary
Vulnerability in Ibm Kernel (CVE-2016-5011). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
The parse_dos_extended function in partitions/dos.c in the libblkid library in util-linux allows physically proximate attackers to cause a denial of service (memory consumption) via a crafted MSDOS partition table with an extended partition boot record at zero offset.
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-2016-5011 has been found in Ibm Kernel.
Risk of unauthorized operations or information disclosure. CVSS score: 4.6/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Ibm Kernel CVE-2016-5011" on the vendor's site.
CVE-2016-5011 (Ibm Kernel) — CVSS v3 4.6
Attack vector: physical / unauthenticated / 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.
A vulnerability (unclassified) exists in Ibm Kernel.
Check the vendor advisory for the affected versions of Ibm Kernel.
Severity: Medium (CVSS 4.6/10). Risk of unauthorized operations or information disclosure.
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. Run grep -r 'Kernel' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'Kernel' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
Kernelを grep し、稼働しているサービス・バージョンを把握する。 -
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-2016-5011 util-linux Fixed in: 2.28.1-1
References
- advisory rhn.redhat.com
- advisory www-01.ibm.com
- advisory www-01.ibm.com
- advisory securityfocus.com
- advisory securitytracker.com
- patch openwall.com
- patch git.kernel.org