Vulnerability in Linux kernel (CVE-2019-16089)
Summary
Vulnerability in Linux kernel (CVE-2019-16089). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
An issue was discovered in the Linux kernel through 5.2.13. nbd_genl_status in drivers/block/nbd.c does not check the nla_nest_start_noflag return value.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
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-2019-16089 has been found in Linux kernel.
Risk of unauthorized operations or information disclosure. CVSS score: 4.1/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Linux kernel CVE-2019-16089" on the vendor's site.
CVE-2019-16089 (Linux kernel) — CWE-476 / CVSS v3 4.1
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.
A vulnerability (CWE-476) exists in Linux kernel.
Check the vendor advisory for the affected versions of Linux kernel.
Severity: Medium (CVSS 4.1/10). 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. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Linux kernel 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
- Ubuntu UBUNTU-CVE-2019-16089 linux-azure Fixed in: 4.15.0-1091.101~14.04.1
References
- advisory security.netapp.com
- patch lore.kernel.org
- patch lore.kernel.org
- web nvd.nist.gov
- web support.f5.com
- web lore.kernel.org
- web lore.kernel.org
- web security.netapp.com
- web support.f5.com
- web usn.ubuntu.com
- web usn.ubuntu.com
- web usn.ubuntu.com
- web usn.ubuntu.com
- web github.com
- web usn.ubuntu.com
- web usn.ubuntu.com
- web usn.ubuntu.com
- web usn.ubuntu.com