CVE-2026-46189highCWE-763

CVE-2026-46189: high-severity vulnerability in Linux

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

Published 28 May 2026 · Updated 09 Sep 2026

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7epss 0.1%

exploitation probability

0.1%top 97% of all CVEs

observed exploitation

nono source reports it

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.

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Linux · Linux

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References