PT-2025-44121 · Linux+3 · Linux Kernel+3

Published

2025-09-29

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Updated

2026-05-07

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CVE-2025-40053

CVSS v2.0

6.0

Medium

VectorAV:L/AC:H/Au:S/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description The driver did not handle allocation failures of netdev alloc skb ip align(). A failure in allocation could lead to a NULL pointer dereference when attempting to access skb->protocol. The patch addresses this by attempting to allocate skb and falling back to the normal path if the allocation fails.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

AZL-68855
BDU:2025-13620
CVE-2025-40053
DLA-4379-1
DLA-4404-1
DSA-6053-1
ECHO-E97D-065F-4071
MGASA-2025-0309
MGASA-2025-0310
OESA-2025-2765
OESA-2025-2766
OESA-2025-2767
OPENSUSE-SU-2025:15702-1
OPENSUSE-SU-2025:20172-1
OPENSUSE-SU-2026:10301-1
SUSE-SU-2026:0278-1
SUSE-SU-2026:0281-1
SUSE-SU-2026:0293-1
SUSE-SU-2026:0315-1
SUSE-SU-2026:0316-1
SUSE-SU-2026:20012-1
SUSE-SU-2026:20015-1
SUSE-SU-2026:20021-1
SUSE-SU-2026:20477-1
SUSE-SU-2026:20498-1
SUSE-SU-2026:20845-1
SUSE-SU-2026:20876-1
USN-8029-1
USN-8029-2
USN-8029-3
USN-8030-1
USN-8033-1
USN-8033-2
USN-8033-3
USN-8033-4
USN-8033-5
USN-8033-6
USN-8033-7
USN-8033-8
USN-8034-1
USN-8034-2
USN-8048-1
USN-8095-1
USN-8095-2
USN-8095-3
USN-8095-4
USN-8095-5
USN-8100-1
USN-8125-1
USN-8126-1
USN-8141-1
USN-8163-1
USN-8163-2
USN-8165-1
USN-8243-1
USN-8261-1

Affected Products

Debian
Linuxmint
Linux Kernel
Ubuntu