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PatchSiren cyber security CVE debrief

CVE-2022-0185 Linux CVE debrief

CVE-2022-0185 is a Linux kernel heap-based buffer overflow vulnerability that CISA has listed in the Known Exploited Vulnerabilities (KEV) catalog. That KEV listing makes it a high-priority patching issue for any environment running affected Linux kernel builds. The supplied official references point to the CVE record, NVD detail page, and an upstream kernel commit for remediation context.

Vendor
Linux
Product
Kernel
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2024-08-21
Original CVE updated
2024-08-21
Advisory published
2024-08-21
Advisory updated
2024-08-21

Who should care

Linux distribution maintainers, infrastructure and platform teams, appliance vendors, and operators of systems that depend on the Linux kernel should care most, especially where kernel updates are delayed or difficult to deploy.

Technical summary

The supplied sources describe CVE-2022-0185 as a heap-based buffer overflow in the Linux kernel. CISA’s KEV entry identifies it as a known exploited vulnerability and directs defenders to apply vendor updates or discontinue use if updates are unavailable. The official references in the corpus are the CVE record, the NVD entry, and an upstream Linux kernel commit referenced by CISA for more detail.

Defensive priority

Immediate

Recommended defensive actions

  • Apply vendor-provided Linux kernel updates or mitigation guidance as soon as possible.
  • Inventory systems running potentially affected kernel versions, including servers, appliances, containers, and embedded devices.
  • Prioritize remediation on internet-facing, multi-tenant, and privileged-workload systems.
  • If updates are unavailable, follow CISA guidance to discontinue use of the product or isolate the affected systems until remediation is possible.
  • Verify patch status after maintenance windows and monitor for unpatched kernels across the fleet.

Evidence notes

This debrief is limited to the supplied corpus and official links. The CISA KEV entry marks the issue as a known exploited vulnerability, lists Linux as the vendor project and Kernel as the product, and gives a due date of 2024-09-11. The source metadata also references the upstream Linux kernel commit id 722d94847de2 and the NVD detail page for CVE-2022-0185. The provided CVE timeline dates are used only as intake context and not as the original vulnerability discovery date.

Sources and references

Verified primary and authoritative sources

  • CVE-2022-0185 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2022-0185

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2022-0185 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2022-0185

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.