CVE-2026-80600
batman-adv: dat: acquire ARP hw source only after skb realloc
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- 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: batman-adv: dat: acquire ARP hw source only after skb realloc The pskb_may_pull() called by batadv_get_vid() could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an use-after-free.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
5.1
References 8
git.kernel.org
- stable/c/a82fc217cb7a447313c76ebf9f09b100771b0ddf
- stable/c/86aa79b43e5b561fd3648891165bd7313b541315
- stable/c/d755cd001fa2c248e186c1fc3df3d11d97dc843c
- stable/c/3404be97b940a9b1ae1aea5fdbc6cdbbe9cd5146
- stable/c/01678c53a7717a748aee388b6839e7b9761d641c
- stable/c/3b4c70c40f2e135a50cd38fc61c7d23a296a9981
- stable/c/059a70e1d12d6d99310e0599d37b0323557569a8
- stable/c/48067b2ae4504500a7093d9e1e16b42e70330480