Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2025-38608

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
19/08/2025
Last modified:
07/01/2026

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> bpf, ktls: Fix data corruption when using bpf_msg_pop_data() in ktls<br /> <br /> When sending plaintext data, we initially calculated the corresponding<br /> ciphertext length. However, if we later reduced the plaintext data length<br /> via socket policy, we failed to recalculate the ciphertext length.<br /> <br /> This results in transmitting buffers containing uninitialized data during<br /> ciphertext transmission.<br /> <br /> This causes uninitialized bytes to be appended after a complete<br /> "Application Data" packet, leading to errors on the receiving end when<br /> parsing TLS record.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.0 (including) 5.4.297 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.5 (including) 5.10.241 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (including) 5.15.190 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.16 (including) 6.1.148 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.2 (including) 6.6.102 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.7 (including) 6.12.42 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.13 (including) 6.15.10 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.16 (including) 6.16.1 (excluding)
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools