Vulnerability Description
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.
CVSS Score
CRITICAL
References
- https://git.kernel.org/stable/c/01678c53a7717a748aee388b6839e7b9761d641c
- https://git.kernel.org/stable/c/059a70e1d12d6d99310e0599d37b0323557569a8
- https://git.kernel.org/stable/c/3404be97b940a9b1ae1aea5fdbc6cdbbe9cd5146
- https://git.kernel.org/stable/c/3b4c70c40f2e135a50cd38fc61c7d23a296a9981
- https://git.kernel.org/stable/c/48067b2ae4504500a7093d9e1e16b42e70330480
- https://git.kernel.org/stable/c/86aa79b43e5b561fd3648891165bd7313b541315
- https://git.kernel.org/stable/c/a82fc217cb7a447313c76ebf9f09b100771b0ddf
- https://git.kernel.org/stable/c/d755cd001fa2c248e186c1fc3df3d11d97dc843c
FAQ
What is CVE-2026-80600?
CVE-2026-80600 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...
How severe is CVE-2026-80600?
CVE-2026-80600 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-80600?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.