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PatchSiren cyber security CVE debrief

CVE-2024-1086 Linux CVE debrief

CVE-2024-1086 is a Linux Kernel use-after-free vulnerability that CISA added to its Known Exploited Vulnerabilities (KEV) catalog on 2024-05-30. CISA also flags known ransomware campaign use as "Known," which makes this a high-priority issue for defenders running Linux kernel-based systems or products that embed the kernel. The KEV entry sets a remediation due date of 2024-06-20 and directs organizations to apply vendor mitigations or discontinue use if mitigations are unavailable.

Vendor
Linux
Product
Kernel
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2024-05-30
Original CVE updated
2024-05-30
Advisory published
2024-05-30
Advisory updated
2024-05-30

Who should care

Security teams, Linux administrators, cloud and platform operators, and product teams that ship or depend on Linux kernel-based systems—especially where patching is controlled by a downstream vendor or distribution.

Technical summary

The supplied source corpus identifies CVE-2024-1086 as a Linux Kernel use-after-free vulnerability. CISA classifies it as a known exploited vulnerability and notes known ransomware campaign use. CISA’s notes also reference a Linux kernel git commit for more information, and advise organizations to follow vendor mitigation guidance or stop using the product if mitigations are unavailable.

Defensive priority

Critical

Recommended defensive actions

  • Inventory Linux kernel-based systems and identify which products or distributions include the affected kernel component.
  • Check vendor and distribution advisories for patch, mitigation, or backport status.
  • Apply vendor mitigations or updates as soon as they are available.
  • If mitigations are unavailable, follow CISA guidance to discontinue use of the affected product where feasible.
  • Prioritize internet-facing, production, and ransomware-sensitive environments for immediate review.

Evidence notes

Evidence is limited to the supplied CISA KEV metadata and official reference links. The KEV feed marks CVE-2024-1086 as known exploited, lists known ransomware campaign use as "Known," and sets dateAdded to 2024-05-30 with dueDate 2024-06-20. The source-item notes also reference a Linux kernel git commit and the NVD detail page for further context. No CVSS score was supplied in the corpus.

Official resources

CISA added CVE-2024-1086 to the Known Exploited Vulnerabilities catalog on 2024-05-30 and set a remediation due date of 2024-06-20.