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VULNERABILITIES

CVE-2026-46189 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA: redhat-SADPCVSS-B:7 HIGHVector:CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:30848 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:33685 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:33743 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:35904 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:36049 redhat-SADP

see all 22 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-415Double Free[email protected]
CWE-763Release of Invalid Pointer or Referenceredhat-SADP

Affected Products

ProductVersions
linux linux kernel
>= 4.10, < 5.10.258
>= 5.11, < 5.15.209
>= 5.16, < 6.1.175
>= 6.2, < 6.6.140
>= 6.7, < 6.12.88

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

14 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-46189
NVD Published Date:
May 28, 2026
NVD Last Modified:
Sep 9, 2026
Source:
kernel.org