Riskcovery

CVE-2024-57800

ALSA: memalloc: prefer dma_mapping_error() over explicit address checking

State
Published
Severity
Not scored
Published
Jan 11, 2025
Updated
May 11, 2026
Reserved
Jan 11, 2025

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

ALSA: memalloc: prefer dma_mapping_error() over explicit address checking

With CONFIG_DMA_API_DEBUG enabled, the following warning is observed:

DMA-API: snd_hda_intel 0000:03:00.1: device driver failed to check map error[device address=0x00000000ffff0000] [size=20480 bytes] [mapped as single] WARNING: CPU: 28 PID: 2255 at kernel/dma/debug.c:1036 check_unmap+0x1408/0x2430 CPU: 28 UID: 42 PID: 2255 Comm: wireplumber Tainted: G W L 6.12.0-10-133577cad6bf48e5a7848c4338124081393bfe8a+ #759 debug_dma_unmap_page+0xe9/0xf0 snd_dma_wc_free+0x85/0x130 [snd_pcm] snd_pcm_lib_free_pages+0x1e3/0x440 [snd_pcm] snd_pcm_common_ioctl+0x1c9a/0x2960 [snd_pcm] snd_pcm_ioctl+0x6a/0xc0 [snd_pcm] ...

Check for returned DMA addresses using specialized dma_mapping_error() helper which is generally recommended for this purpose by Documentation/core-api/dma-api.rst.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • c880a5146642e9d35f88aaa353ae98ffd4fc3f99 to before c180c3f42d340e8dcb9094bb8ea7d477d37081a8Affected
  • c880a5146642e9d35f88aaa353ae98ffd4fc3f99 to before fa0308134d26dbbeb209a1581eea46df663866b6Affected
LinuxLinux
  • 6.12Affected
  • before 6.12Not affected
  • 6.12.8 through 6.12.*Not affected
  • 6.13 and laterNot affected

References

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