CVE-2026-22988
arp: do not assume dev_hard_header() does not change skb->head
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.
INFO
Published Date :
Jan. 23, 2026, 4:15 p.m.
Last Modified :
Jan. 23, 2026, 4:15 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-22988
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the Linux kernel to the latest patched version.
- Reboot the system after applying updates.
- Verify ARP functionality post-update.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-22988.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-22988 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-22988
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-22988 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-22988 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jan. 23, 2026
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/029935507d0af6553c45380fbf6feecf756fd226 Added Reference https://git.kernel.org/stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0a Added Reference https://git.kernel.org/stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1 Added Reference https://git.kernel.org/stable/c/949647e7771a4a01963fe953a96d81fba7acecf3 Added Reference https://git.kernel.org/stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81 Added Reference https://git.kernel.org/stable/c/dd6ccec088adff4bdf33e2b2dd102df20a7128fa Added Reference https://git.kernel.org/stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5e