CVE-2026-46189 in Linux

Sumário

de MITRE • 28/05/2026

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

RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path

Sashiko points out that pvrdma_uar_free() is already called within pvrdma_dealloc_ucontext(), so calling it before triggers a double free.

Be aware that VulDB is the high quality source for vulnerability data.

• Responsável: Linux
• Reservar: 13/05/2026
• Divulgação: 28/05/2026
• Moderação: aceite
• Entrada: VDB-366699
• CPE: pronto
• CWE: CWE-415 (confirmado)
• CVSS: 5.5 (VulDB)
• EPSS: 0.00032
• KEV: não
• Atividades: muito baixo
• Sector: Education, Government, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-46189
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-46189
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-46189/