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CVE-2026-31493

nvd nist
Published: Apr 22, 2026Modified: Apr 28, 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/efa: Fix use of completion ctx after free On admin queue completion handling, if the admin command completed with error we print data from the completion context. The issue is that we already freed the completion context in polling/interrupts handler which means we print data from context in an unknown state (it might be already used again). Change the admin submission flow so alloc/dealloc of the context will be symmetric and dealloc will be called after any potential use of the context.

Affected (10)

Products: Linux: Linux Kernel
1 product
Linux Kernel
Configuration A
10 vulnerable
Vulnerable SoftwareAffected Versions
Linux
From 5.12.1 to 6.18.21
From 6.19 to 6.19.11
Version 5.12
Version 7.0 rc1
Version 7.0 rc2
Version 7.0 rc3
Version 7.0 rc4
Version 7.0 rc5
Version 7.0 rc6
Version 7.0 rc7

References (3)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch

Timeline

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