01 Record

CVE-2025-39987

can: hi311x: populate ndo_change_mtu() to prevent buffer overflow

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

can: hi311x: populate ndo_change_mtu() to prevent buffer overflow

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: 0.17% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 7.1% of scored records. A rank, not a probability.
NVD base score: 7.8 (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:H/I:H/A:H
NVD analysis status: Deferred. NVD last modified this record on 2026-10-19.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

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: 2025-10-15 07:56Z1 YR AGO
Last updated: 2026-08-05 12:06Z2 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: No CWE assigned
Data version: 5.2
Document digest: c1e988682375888479cb81dff6de89f821519c3d406f81ee42fda188c1e4aafd

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux57e83fb9b7468c75cb65cde1d23043553c346c6d to < f2c247e9581024d8b3dd44cbe086bf2bebbef42c, 57e83fb9b7468c75cb65cde1d23043553c346c6d to < 8f351db6b2367991f0736b2cff082f5de4872113, 57e83fb9b7468c75cb65cde1d23043553c346c6d to < 7ab85762274c0fa997f0ef9a2307b2001aae43c4, 57e83fb9b7468c75cb65cde1d23043553c346c6d to < 57d332ce8c921d0e340650470bb0c1d707f216ee, 57e83fb9b7468c75cb65cde1d23043553c346c6d to < be1b25005fd0f9d4e78bec6695711ef87ee33398, 57e83fb9b7468c75cb65cde1d23043553c346c6d to < def814b4ba31b563584061d6895d5ff447d5bc14, 57e83fb9b7468c75cb65cde1d23043553c346c6d to < e77fdf9e33a83a08f04ab0cb68c19ddb365a622f, 57e83fb9b7468c75cb65cde1d23043553c346c6d to < ac1c7656fa717f29fac3ea073af63f0b9919ec9a, 4.12—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/f2c247e9581024d8b3dd44cbe086bf2bebbef42c
git.kernel.orghttps://git.kernel.org/stable/c/8f351db6b2367991f0736b2cff082f5de4872113
git.kernel.orghttps://git.kernel.org/stable/c/7ab85762274c0fa997f0ef9a2307b2001aae43c4
git.kernel.orghttps://git.kernel.org/stable/c/57d332ce8c921d0e340650470bb0c1d707f216ee
git.kernel.orghttps://git.kernel.org/stable/c/be1b25005fd0f9d4e78bec6695711ef87ee33398
git.kernel.orghttps://git.kernel.org/stable/c/def814b4ba31b563584061d6895d5ff447d5bc14
git.kernel.orghttps://git.kernel.org/stable/c/e77fdf9e33a83a08f04ab0cb68c19ddb365a622f
git.kernel.orghttps://git.kernel.org/stable/c/ac1c7656fa717f29fac3ea073af63f0b9919ec9a

07 Fixed in

Debian 12

linux
Fixed in 6.1.158-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

linux
Fixed in 6.12.57-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

linux
Fixed in 6.16.10-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.