PT-2025-29053 · Linux+4 · Linux Kernel+4
Published
2025-07-10
·
Updated
2026-04-20
·
CVE-2025-38331
CVSS v2.0
7.7
High
| Vector | AV:A/AC:L/Au:S/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions:
Linux kernel (affected versions not specified)
Description:
A flaw exists in the Linux kernel's ethernet/cortina driver related to the TCP Offload Engine (TOE) and TCP Segmentation Offload (TSO) features. The issue causes instability, lockups, and crashes when TOE/TSO is not consistently applied to all TCP frames. The driver becomes unstable without this quirk, potentially due to the coupled nature of TOE and TSO – both must be active or neither. Disabling TOE appears to negatively impact hardware performance. The NetEngine hardware acceleration offloads IP/TCP header parsing, checksum validation, and connection lookup from software processing. Testing with iperf3 revealed hardware lockups occurring within minutes to hours depending on load.
Recommendations:
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Buffer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Debian
Linuxmint
Linux Kernel
Red Os
Ubuntu