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CVE-2026-22988

arp: do not assume dev_hard_header() does not change skb->head

Published: Jan 23, 2026Updated: Apr 27, 2026 Sources: CVE List NVD BDUNVD-CWE-noinfo
7.8HIGH
NVD MITRE
EPSS Score
0.1%
Top 97.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

Novell Inc.
commercial·US
SUSE Linux Enterprise Server for SAP ApplicationsOn-premOS
Operating Systems / linux-distro
SUSE Linux MicroOn-prem
Operating Systems / linux-distro
OpenSUSE LeapOn-premOS
Operating Systems / linux-distro
Linux
oss-projectaka the linux kernel
LinuxOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
АО «ИВК»
commercial·RUaka ivk
АЛЬТ СП 10On-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
LinuxOn-premOS
Operating Systems / linux-distro
and 2 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-22988?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://git.kernel.org/stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5e
git.kernel.org
https://git.kernel.org/stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0a
git.kernel.org
https://git.kernel.org/stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1
git.kernel.org
and 19 more references View all →

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