PT-2025-33587 · Linux+4 · Linux Kernel+4

Published

2025-07-08

·

Updated

2026-04-20

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CVE-2025-38544

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions: Linux kernel (affected versions not specified)
Description: A flaw exists in the Linux kernel’s rxrpc subsystem related to preallocation of incoming calls when using AF RXRPC for server functionality. The issue arises from a collision during preallocation, where attempts to preallocate a call with an already in-use call ID do not correctly handle error conditions. This can lead to assertions being triggered within the rxrpc cleanup call() function because the call is not properly marked as complete or released.
Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Allocation of Resources Without Limits

Assertion Failure

Weakness Enumeration

Related Identifiers

AZL-66380
AZL-70457
BDU:2026-03113
CVE-2025-38544
ECHO-DD00-34A5-F9C0
OPENSUSE-SU-2025:20081-1
SUSE-SU-2025:03600-1
SUSE-SU-2025:03601-1
SUSE-SU-2025:03602-1
SUSE-SU-2025:03633-1
SUSE-SU-2025:03634-1
SUSE-SU-2025:20851-1
SUSE-SU-2025:20861-1
SUSE-SU-2025:20870-1
SUSE-SU-2025:20898-1
SUSE-SU-2025:21074-1
SUSE-SU-2025:21139-1
SUSE-SU-2025:21179-1
SUSE-SU-2025:3725-1
SUSE-SU-2025:3751-1
USN-7879-1
USN-7879-2
USN-7879-3
USN-7879-4
USN-7880-1
USN-7934-1
USN-8028-1
USN-8028-2
USN-8028-3
USN-8028-4
USN-8028-5
USN-8028-6
USN-8028-7
USN-8028-8
USN-8031-1
USN-8031-2
USN-8031-3
USN-8052-1
USN-8052-2
USN-8074-1
USN-8074-2
USN-8126-1

Affected Products

Debian
Linuxmint
Linux Kernel
Suse
Ubuntu