CVE-2025-39869 — Out-of-bounds Read in Linux
Severity
7.1HIGHNVD
EPSS
0.0%
top 94.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 23
Latest updateApr 13
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;
q…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2
Affected Packages3 packages
▶CVEListV5linux/linux2b6b3b7420190888793c49e97276e1e73bd7eaed — 7d4de60d6db02d9b01d5890d5156b04fad65d07a+8
Also affects: Debian Linux 11.0
Patches
🔴Vulnerability Details
3OSV▶
CVE-2025-39869: In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: edma: Fix memory allocation size for queue_priority_map Fix a criti↗2025-09-23
GHSA▶
GHSA-mwhg-gwrr-ff82: In the Linux kernel, the following vulnerability has been resolved:
dmaengine: ti: edma: Fix memory allocation size for queue_priority_map
Fix a cri↗2025-09-23