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CVE-2026-46189

nvd nist
Published: May 28, 2026Modified: Sep 9, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

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.

Affected (9)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
9 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
4.10 ≤ version < 5.10.258
Linux Kernel
5.11 ≤ version < 5.15.209
Linux Kernel
5.16 ≤ version < 6.1.175
Linux Kernel
6.13 ≤ version < 6.18.30
Linux Kernel
6.19 ≤ version < 7.0.7
Linux Kernel
6.2 ≤ version < 6.6.140
Linux Kernel
6.7 ≤ version < 6.12.88
Linux Kernel
Version 7.1 rc1
Linux Kernel
Version 7.1 rc2

Related CWEs

CWE-1341
Multiple Releases of Same Resource or Handle
The product attempts to close or release a resource or handle more than once, without any successful open between the close operations.
CWE-415
Double Free
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
CWE-763
Release of Invalid Pointer or Reference
The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.

References (22)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Timeline

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