FKIE_CVE-2026-22988

Vulnerability from fkie_nvd - Published: 2026-01-23 16:15 - Updated: 2026-01-26 15:03
Severity ?
Summary
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/029935507d0af6553c45380fbf6feecf756fd226
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/949647e7771a4a01963fe953a96d81fba7acecf3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dd6ccec088adff4bdf33e2b2dd102df20a7128fa
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5e
Impacted products
Vendor Product Version
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\narp: do not assume dev_hard_header() does not change skb-\u003ehead\n\narp_create() is the only dev_hard_header() caller\nmaking assumption about skb-\u003ehead being unchanged.\n\nA recent commit broke this assumption.\n\nInitialize @arp pointer after dev_hard_header() call."
    }
  ],
  "id": "CVE-2026-22988",
  "lastModified": "2026-01-26T15:03:33.357",
  "metrics": {},
  "published": "2026-01-23T16:15:54.860",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/029935507d0af6553c45380fbf6feecf756fd226"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/949647e7771a4a01963fe953a96d81fba7acecf3"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/dd6ccec088adff4bdf33e2b2dd102df20a7128fa"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5e"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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