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Medium severity5.5NVD Advisory· Published May 9, 2025· Updated Jun 17, 2026

CVE-2025-37866

CVE-2025-37866

Description

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

mlxbf-bootctl: use sysfs_emit_at() in secure_boot_fuse_state_show()

A warning is seen when running the latest kernel on a BlueField SOC: [251.512704] ------------[ cut here ]------------ [251.512711] invalid sysfs_emit: buf:0000000003aa32ae [251.512720] WARNING: CPU: 1 PID: 705264 at fs/sysfs/file.c:767 sysfs_emit+0xac/0xc8

The warning is triggered because the mlxbf-bootctl driver invokes "sysfs_emit()" with a buffer pointer that is not aligned to the start of the page. The driver should instead use "sysfs_emit_at()" to support non-zero offsets into the destination buffer.

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Affected products

7
  • Linux/Kernel5 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.14,<6.14.4
    • cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
    • (no CPE)
    • (no CPE)range: 6.14
  • Linux/mlxbf-bootctlllm-create
  • osv-coords
    pkg:linux/kernel
    Range: >= 6.14.0, < 6.14.4

Patches

Vulnerability mechanics

References

2

News mentions

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