CVE-2026-22988

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

23/01/2026

Last modified:

27/04/2026

Description

In the Linux kernel, the following vulnerability has been resolved: arp: do not assume dev_hard_header() does not change skb->head arp_create() is the only dev_hard_header() caller making assumption about skb->head being unchanged. A recent commit broke this assumption. Initialize @arp pointer after dev_hard_header() call.

Impact

Vector 3.x

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

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	6.12.64 (including)	6.12.66 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.18.4 (including)	6.18.6 (excluding)
cpe:2.3:o:linux:linux_kernel:6.1.160:::::::*
cpe:2.3:o:linux:linux_kernel:6.6.120:::::::*
cpe:2.3:o:linux:linux_kernel:6.19:rc4::::::

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

CVE-2026-22988

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools