PT-2025-37973 · Linux+4 · Linux Kernel+4
Syzbot
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Published
2025-01-01
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Updated
2026-05-07
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CVE-2025-39828
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The Linux kernel contains a vulnerability in the atmtcp subsystem that could allow for arbitrary write access. Specifically, the issue resides within the
atmtcp recv control() function and is triggered when processing messages from sendmsg(). The vulnerability occurs because sendmsg() does not validate the message length, potentially allowing a user to overwrite kernel memory via atmtcp control.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Insufficient Verification of Data Authenticity
Memory Corruption
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Related Identifiers
Affected Products
Debian
Linuxmint
Linux Kernel
Suse
Ubuntu