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CVE Vulnerability Details :
CVE-2026-22988
PUBLISHED
More InfoOfficial Page
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
View Known Exploited Vulnerability (KEV) details
Published At-23 Jan, 2026 | 15:24
Updated At-09 Feb, 2026 | 08:36
Rejected At-
▼CVE Numbering Authority (CNA)
arp: do not assume dev_hard_header() does not change skb->head

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.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • net/ipv4/arp.c
Default Status
unaffected
Versions
Affected
  • From 17e7386234f740f3e7d5e58a47b5847ea34c3bc2 before e432dbff342b95fe44645f9a90fcf333c80f4b5e (git)
  • From 41a1a3140aff295dee8063906f70a514548105e8 before 393525dee5c39acff8d6705275d7fcaabcfb7f0a (git)
  • From adee129db814474f2f81207bd182bf343832a52e before 70bddc16491ef4681f3569b3a2c80309a3edcdd1 (git)
  • From 1717357007db150c2d703f13f5695460e960f26c before 029935507d0af6553c45380fbf6feecf756fd226 (git)
  • From 5fe210533e3459197eabfdbf97327dacbdc04d60 before dd6ccec088adff4bdf33e2b2dd102df20a7128fa (git)
  • From 91a2b25be07ce1a7549ceebbe82017551d2eec92 before 949647e7771a4a01963fe953a96d81fba7acecf3 (git)
  • From db5b4e39c4e63700c68a7e65fc4e1f1375273476 before c92510f5e3f82ba11c95991824a41e59a9c5ed81 (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • net/ipv4/arp.c
Default Status
unaffected
Versions
Affected
  • From 6.1.160 before 6.1.161 (semver)
  • From 6.6.120 before 6.6.121 (semver)
  • From 6.12.64 before 6.12.66 (semver)
  • From 6.18.4 before 6.18.6 (semver)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://git.kernel.org/stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5e
N/A
https://git.kernel.org/stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0a
N/A
https://git.kernel.org/stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1
N/A
https://git.kernel.org/stable/c/029935507d0af6553c45380fbf6feecf756fd226
N/A
https://git.kernel.org/stable/c/dd6ccec088adff4bdf33e2b2dd102df20a7128fa
N/A
https://git.kernel.org/stable/c/949647e7771a4a01963fe953a96d81fba7acecf3
N/A
https://git.kernel.org/stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81
N/A
Hyperlink: https://git.kernel.org/stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5e
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0a
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/029935507d0af6553c45380fbf6feecf756fd226
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/dd6ccec088adff4bdf33e2b2dd102df20a7128fa
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/949647e7771a4a01963fe953a96d81fba7acecf3
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81
Resource: N/A
Details not found