CVE-2021-47075

MEDIUM

Linux Kernel 5.7-5.10.40 5.12.7-5.12.* 5.13 - Use-After-Free in NVMe Target Controller Allocation

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix memory leak in nvmet_alloc_ctrl() When creating ctrl in nvmet_alloc_ctrl(), if the cntlid_min is larger than cntlid_max of the subsystem, and jumps to the "out_free_changed_ns_list" label, but the ctrl->sqs lack of be freed. Fix this by jumping to the "out_free_sqs" label.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/4720f29acb3fe67aa8aa71e6b675b079d193aaeb

Patch

https://git.kernel.org/stable/c/afb680ed7ecbb7fd66ddb43650e9b533fd8b4b9a

Patch

https://git.kernel.org/stable/c/fec356a61aa3d3a66416b4321f1279e09e0f256f

Scores

CVSS v3 5.3

EPSS 0.0091

EPSS Percentile 55.1%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-401

Status published

Products (10)

Linux/Linux < 5.7

Linux/Linux 5.10.40 - 5.10.*

Linux/Linux 5.12.7 - 5.12.*

Linux/Linux 5.13

Linux/Linux 5.7

Linux/Linux 94a39d61f80fcd679debda11e1ca02b88d90e67e - 4720f29acb3fe67aa8aa71e6b675b079d193aaeb

Linux/Linux 94a39d61f80fcd679debda11e1ca02b88d90e67e - afb680ed7ecbb7fd66ddb43650e9b533fd8b4b9a

Linux/Linux 94a39d61f80fcd679debda11e1ca02b88d90e67e - fec356a61aa3d3a66416b4321f1279e09e0f256f

linux/linux_kernel 5.13 rc1 (2 CPE variants)

linux/linux_kernel 5.7 - 5.10.40

Published Mar 01, 2024

Tracked Since Feb 18, 2026