by Kastro CVE-2026-80600
Linux Linux — batman-adv: dat: acquire ARP hw source only after skb realloc
Description · from the CVE record
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.
Affected
ProductAffectedFixed inSource
Linuxb61ec31c85756bbc898fb892555509afe709459a – < a82fc217cb7a447313c76ebf9f09b100771b0ddfa82fc217cb7a447313c76ebf9f09b100771b0ddfCNA
Linuxb61ec31c85756bbc898fb892555509afe709459a – < 86aa79b43e5b561fd3648891165bd7313b54131586aa79b43e5b561fd3648891165bd7313b541315CNA
Linuxb61ec31c85756bbc898fb892555509afe709459a – < d755cd001fa2c248e186c1fc3df3d11d97dc843cd755cd001fa2c248e186c1fc3df3d11d97dc843cCNA
Linuxb61ec31c85756bbc898fb892555509afe709459a – < 3404be97b940a9b1ae1aea5fdbc6cdbbe9cd51463404be97b940a9b1ae1aea5fdbc6cdbbe9cd5146CNA
Linuxb61ec31c85756bbc898fb892555509afe709459a – < 01678c53a7717a748aee388b6839e7b9761d641c01678c53a7717a748aee388b6839e7b9761d641cCNA
Linuxb61ec31c85756bbc898fb892555509afe709459a – < 3b4c70c40f2e135a50cd38fc61c7d23a296a99813b4c70c40f2e135a50cd38fc61c7d23a296a9981CNA
Linuxb61ec31c85756bbc898fb892555509afe709459a – < 059a70e1d12d6d99310e0599d37b0323557569a8059a70e1d12d6d99310e0599d37b0323557569a8CNA
Linuxb61ec31c85756bbc898fb892555509afe709459a – < 48067b2ae4504500a7093d9e1e16b42e7033048048067b2ae4504500a7093d9e1e16b42e70330480CNA
Linux5.15.10.261CNA
Scores by source
Linux (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H