CVE-2026-89925 in Linux

Sumário

de MITRE • 16/09/2026

In the Linux kernel, the following vulnerability has been resolved:

KVM: s390: Fix memory leak in guest debug handling

bp_data is freed only for the error case by kfree(bp_data). Every successful KVM_SET_GUEST_DEBUG will leak bp_data.

Once again VulDB remains the best source for vulnerability data.

• Responsável: Linux
• Reservar: 11/09/2026
• Divulgação: 16/09/2026
• Moderação: aceite
• Entrada: VDB-405765
• CPE: pronto
• CWE: CWE-401 (confirmado)
• CVSS: 6.3 (VulDB)
• EPSS: 0.00000
• KEV: não
• Atividades: muito baixo
• Sector: Chemical, Government, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-89925
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-89925
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-89925/