01 Record

CVE-2025-38478

comedi: Fix initialization of data for instructions that write to subdevice

HighPUBLISHEDCNA: Linux

CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

View raw JSON

02 Description

comedi: Fix initialization of data for instructions that write to subdevice

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.16% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 5.7% of scored records. A rank, not a probability.
NVD base score: 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-07-30.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2025-07-28 11:21Z1 YR AGO

Last updated

2026-08-05 12:02Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-908Use of Uninitialized ResourceBase

Data version

5.2

Document digest

52733a12b2da94dad5e4af7d34192bca57fe32581ccd3f9786e3ac232d8449dc

05 Affected products

VendorProductVersionsPlatforms

LinuxLinuxed9eccbe8970f6eedc1b978c157caf1251a896d4 to < 6f38c6380c3b38a05032b8881e41137385a6ce02, ed9eccbe8970f6eedc1b978c157caf1251a896d4 to < 13e4d9038a1e869445a996a3f604a84ef52fe8f4, ed9eccbe8970f6eedc1b978c157caf1251a896d4 to < 020eed5681d0f9bced73970368078a92d6cfaa9c, ed9eccbe8970f6eedc1b978c157caf1251a896d4 to < d3436638738ace8f101af7bdee2eae1bc38e9b29, ed9eccbe8970f6eedc1b978c157caf1251a896d4 to < 673ee92bd2d31055bca98a1d96b653f5284289c4, ed9eccbe8970f6eedc1b978c157caf1251a896d4 to < c42116dc70af6664526f7aa82cf937824ab42649, ed9eccbe8970f6eedc1b978c157caf1251a896d4 to < fe8713fb4e4e82a4f91910d9a41bf0613e69a0b9, ed9eccbe8970f6eedc1b978c157caf1251a896d4 to < 46d8c744136ce2454aa4c35c138cc06817f92b8e, 2.6.29—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/6f38c6380c3b38a05032b8881e41137385a6ce02
git.kernel.orghttps://git.kernel.org/stable/c/13e4d9038a1e869445a996a3f604a84ef52fe8f4
git.kernel.orghttps://git.kernel.org/stable/c/020eed5681d0f9bced73970368078a92d6cfaa9c
git.kernel.orghttps://git.kernel.org/stable/c/d3436638738ace8f101af7bdee2eae1bc38e9b29
git.kernel.orghttps://git.kernel.org/stable/c/673ee92bd2d31055bca98a1d96b653f5284289c4
git.kernel.orghttps://git.kernel.org/stable/c/c42116dc70af6664526f7aa82cf937824ab42649
git.kernel.orghttps://git.kernel.org/stable/c/fe8713fb4e4e82a4f91910d9a41bf0613e69a0b9
git.kernel.orghttps://git.kernel.org/stable/c/46d8c744136ce2454aa4c35c138cc06817f92b8e
lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/10/msg00007.html

01 Record index

CVE-2025-38478

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2025-38478

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References