CVE-2026-22988 (GCVE-0-2026-22988)
Vulnerability from cvelistv5 – Published: 2026-01-23 15:24 – Updated: 2026-01-23 15:24
VLAI?
Title
arp: do not assume dev_hard_header() does not change skb->head
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
17e7386234f740f3e7d5e58a47b5847ea34c3bc2 , < e432dbff342b95fe44645f9a90fcf333c80f4b5e
(git)
Affected: 41a1a3140aff295dee8063906f70a514548105e8 , < 393525dee5c39acff8d6705275d7fcaabcfb7f0a (git) Affected: adee129db814474f2f81207bd182bf343832a52e , < 70bddc16491ef4681f3569b3a2c80309a3edcdd1 (git) Affected: 1717357007db150c2d703f13f5695460e960f26c , < 029935507d0af6553c45380fbf6feecf756fd226 (git) Affected: 5fe210533e3459197eabfdbf97327dacbdc04d60 , < dd6ccec088adff4bdf33e2b2dd102df20a7128fa (git) Affected: 91a2b25be07ce1a7549ceebbe82017551d2eec92 , < 949647e7771a4a01963fe953a96d81fba7acecf3 (git) Affected: db5b4e39c4e63700c68a7e65fc4e1f1375273476 , < c92510f5e3f82ba11c95991824a41e59a9c5ed81 (git) |
||
{
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{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
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},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.66",
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},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.19-rc5",
"versionType": "original_commit_for_fix"
}
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"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."
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{
"url": "https://git.kernel.org/stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81"
}
],
"title": "arp: do not assume dev_hard_header() does not change skb-\u003ehead",
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"cveId": "CVE-2026-22988",
"datePublished": "2026-01-23T15:24:09.756Z",
"dateReserved": "2026-01-13T15:37:45.937Z",
"dateUpdated": "2026-01-23T15:24:09.756Z",
"state": "PUBLISHED"
},
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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