CVE-2024-56767 - CVE House
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Status published Unknown CVE-2024-56767

dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset The at_xdmac_memset_create_desc may return NULL, which will lead to a null pointer dereference. For example, the len input is error, or the atchan->free_descs_list is empty and memory is exhausted. Therefore, add check to avoid this.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
b206d9a23ac71cb905f5fb6e0cd813406f89b678, 4.2, 0, 5.4.289, 5.10.233, 5.15.176, 6.1.123, 6.6.69, 6.12.8, 6.13

Timeline

Official Publish: January 6th, 2025
Last Modified: May 11th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.