CVE-2026-22988In 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…
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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.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 6.12.64 before 6.12.66; from 6.18.4 before 6.18.6; 6.1.160; 6.6.120; 6.19 | NVD |
References
- https://git.kernel.org/stable/c/029935507d0af6553c45380fbf6feecf756fd226patch
- https://git.kernel.org/stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0apatch
- https://git.kernel.org/stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1patch
- https://git.kernel.org/stable/c/949647e7771a4a01963fe953a96d81fba7acecf3patch
- https://git.kernel.org/stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81patch
- https://git.kernel.org/stable/c/dd6ccec088adff4bdf33e2b2dd102df20a7128fapatch
- https://git.kernel.org/stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5epatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.