PT-2025-33793 · Linux+5 · Linux Kernel+5

Published

2025-07-14

·

Updated

2026-04-20

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CVE-2025-38595

CVSS v3.1

7.8

High

VectorAV: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 use-after-free (UAF) vulnerability in the dmabuf exp from pages() function within the Xen component. This issue occurs because a file descriptor can be closed by another thread after being inserted into a descriptor table, leading to a UAF when accessing objects destroyed on close, such as the gntdev dmabuf structure. The dma buf fd() function, used in combination with descriptor reservation and fd install(), is implicated in this vulnerability.
Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2026-01560
CVE-2025-38595
ECHO-B7B2-8CA0-578B
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
Xen