Vulnerability Details CVE-2026-22988
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.0%
CVSS Severity
CVSS v3 Score 5.5
References
- https://git.kernel.org/stable/c/029935507d0af6553c45380fbf6feecf756fd226
- https://git.kernel.org/stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0a
- https://git.kernel.org/stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1
- https://git.kernel.org/stable/c/949647e7771a4a01963fe953a96d81fba7acecf3
- https://git.kernel.org/stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81
- https://git.kernel.org/stable/c/dd6ccec088adff4bdf33e2b2dd102df20a7128fa
- https://git.kernel.org/stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5e
Products affected by CVE-2026-22988
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cpe:2.3:o:linux:linux_kernel:6.1.160
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cpe:2.3:o:linux:linux_kernel:6.12.64
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cpe:2.3:o:linux:linux_kernel:6.12.65
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cpe:2.3:o:linux:linux_kernel:6.18.4
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cpe:2.3:o:linux:linux_kernel:6.18.5
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cpe:2.3:o:linux:linux_kernel:6.19
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cpe:2.3:o:linux:linux_kernel:6.6.120