CVE-2024-50277

MEDIUM EPSS 8.4%
Published Nov 19, 20241y ago · Modified Jun 17, 20262w ago
4.7 CVSS 3.1
Medium
Find Similar
Published Nov 19, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

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;".

CVSS Details

Base Score
4.7
Exploitability
1.0
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
8.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel* <6.11.8
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any

References 2

  • git.kernel.org https://git.kernel.org/stable/c/d7aec2a06730b774a97caaf48cbbc58330a85829
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fed13a5478680614ba97fc87e71f16e2e197912e
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/d7aec2a06730b774a97caaf48cbbc58330a85829
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fed13a5478680614ba97fc87e71f16e2e197912e
    Patch