CVE-2024-50277

MEDIUM

Linux Kernel < 6.11.8 - NULL Pointer Dereference in Device Mapper Disk Allocation

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: dm: fix a crash if blk_alloc_disk fails If blk_alloc_disk fails, the variable md->disk is set to an error value. cleanup_mapped_device will see that md->disk is non-NULL and it will attempt to access it, causing a crash on this statement "md->disk->private_data = NULL;".

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/d7aec2a06730b774a97caaf48cbbc58330a85829

Patch

https://git.kernel.org/stable/c/fed13a5478680614ba97fc87e71f16e2e197912e

Scores

CVSS v3 4.7

EPSS 0.0019

EPSS Percentile 8.3%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (9)

linux/Kernel 6.9.0 - 6.11.8linux

Linux/Linux < 6.9

Linux/Linux 6.11.8 - 6.11.*

Linux/Linux 6.12

Linux/Linux 6.9

Linux/Linux 74fa8f9c553f7b5ccab7d103acae63cc2e080465 - d7aec2a06730b774a97caaf48cbbc58330a85829

Linux/Linux 74fa8f9c553f7b5ccab7d103acae63cc2e080465 - fed13a5478680614ba97fc87e71f16e2e197912e

linux/linux_kernel 6.12 rc1 (6 CPE variants)

linux/linux_kernel < 6.11.8

Published Nov 19, 2024

Tracked Since Feb 18, 2026