CVE-2026-22988
arp: do not assume dev_hard_header() does not change skb->head
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.1.161, 6.6.121, 6.12.66, 6.18.6
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
From 6.1.160 · fixed in 6.1.161; From 6.6.120 · fixed in 6.6.121; From 6.12.64 · fixed in 6.12.66; From 6.18.4 · fixed in 6.18.6
References 7
git.kernel.org
- stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5e
- stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0a
- stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1
- stable/c/029935507d0af6553c45380fbf6feecf756fd226
- stable/c/dd6ccec088adff4bdf33e2b2dd102df20a7128fa
- stable/c/949647e7771a4a01963fe953a96d81fba7acecf3
- stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81