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CVE-2025-39869

nvd nist
Published: Sep 23, 2025Modified: Oct 19, 2026

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7.1
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Exploitability: 1.8 / Impact: 5.2
Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: edma: Fix memory allocation size for queue_priority_map Fix a critical memory allocation bug in edma_setup_from_hw() where queue_priority_map was allocated with insufficient memory. The code declared queue_priority_map as s8 (*)[2] (pointer to array of 2 s8), but allocated memory using sizeof(s8) instead of the correct size. This caused out-of-bounds memory writes when accessing: queue_priority_map[i][0] = i; queue_priority_map[i][1] = i; The bug manifested as kernel crashes with "Oops - undefined instruction" on ARM platforms (BeagleBoard-X15) during EDMA driver probe, as the memory corruption triggered kernel hardening features on Clang. Change the allocation to use sizeof(*queue_priority_map) which automatically gets the correct size for the 2D array structure.

Affected (13)

1 product
Linux Kernel
1 product
Debian Linux
Configuration A
12 vulnerable
Vulnerable SoftwareAffected Versions
Linux
4.4 ≤ version < 5.4.300
5.11 ≤ version < 5.15.194
5.16 ≤ version < 6.1.153
5.5 ≤ version < 5.10.245
6.13 ≤ version < 6.16.8
6.2 ≤ version < 6.6.107
6.7 ≤ version < 6.12.48
Version 6.17 rc1
Version 6.17 rc2
Version 6.17 rc3
Version 6.17 rc4
Version 6.17 rc5
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Version 11.0

References (9)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
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