CVE-2026-31431

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2026-31431

Confirmed

Yes

2026-05-01 00:00 UTC

Timestamps

2026-05-01

2026-05-01

Scope

KEV entry: Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability | Affected: Linux / Kernel | Description: Linux Kernel contains an incorrect resource transfer between spheres vulnerability that could allow for privilege escalation. | Required action: "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-05-15 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://lore.kernel.org/linux-cve-announce/2026042214-CVE-2026-31431-3d65@gregkh/; https://xint.io/blog/copy-fail-linux-distributions#the-fix-6 ; https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/about/ ; https://nvd.nist.gov/vuln/detail/CVE-2026-31431

References
  • {'id': 'CVE-2026-31431', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-31431'}

2eeff66e-3adf-4c28-ac65-ee60e79c1fe0

405284c2-e461-4670-8979-7fd2c9755a60

2026-05-01 19:00 UTC

2026-05-01 19:00 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-699"
  ],
  "date_added": "2026-05-01",
  "due_date": "2026-05-15",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Kernel",
  "vendorProject": "Linux",
  "vulnerabilityName": "Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability"
}
 -
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