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CVE-2024-50277 Details

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;".

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.7 MEDIUMVector:CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CNA: CISA-ADPCVSS-B:4.7 MEDIUMVector:CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/d7aec2a06730b774a97caaf48cbbc58330a85829	kernel.org	Patch
https://git.kernel.org/stable/c/fed13a5478680614ba97fc87e71f16e2e197912e	kernel.org	Patch

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-476	NULL Pointer Dereference	[email protected]
CWE-476	NULL Pointer Dereference	CISA-ADP

Affected Products

Product	Versions
linux linux kernel	< 6.11.8 6.12 rc1 6.12 rc2 6.12 rc3 6.12 rc4
CPE cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:6.12:rc1:::::: cpe:2.3:o:linux:linux_kernel:6.12:rc2:::::: cpe:2.3:o:linux:linux_kernel:6.12:rc3:::::: cpe:2.3:o:linux:linux_kernel:6.12:rc4:::::: cpe:2.3:o:linux:linux_kernel:6.12:rc5:::::: cpe:2.3:o:linux:linux_kernel:6.12:rc6:::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	kernel.org
Jun 17, 2026	CVE Modified	CISA-ADP
Oct 1, 2025	CVE Modified	CISA-ADP
Nov 27, 2024	Initial Analysis	[email protected]
Nov 19, 2024	New CVE Received	kernel.org