Skip to content
CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2026-80600

batman-adv: dat: acquire ARP hw source only after skb realloc

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • b61ec31c85756bbc898fb892555509afe709459a to < a82fc217cb7a447313c76ebf9f09b100771b0ddfaffected
  • b61ec31c85756bbc898fb892555509afe709459a to < 86aa79b43e5b561fd3648891165bd7313b541315affected
  • b61ec31c85756bbc898fb892555509afe709459a to < d755cd001fa2c248e186c1fc3df3d11d97dc843caffected
  • b61ec31c85756bbc898fb892555509afe709459a to < 3404be97b940a9b1ae1aea5fdbc6cdbbe9cd5146affected
  • b61ec31c85756bbc898fb892555509afe709459a to < 01678c53a7717a748aee388b6839e7b9761d641caffected
  • b61ec31c85756bbc898fb892555509afe709459a to < 3b4c70c40f2e135a50cd38fc61c7d23a296a9981affected
  • b61ec31c85756bbc898fb892555509afe709459a to < 059a70e1d12d6d99310e0599d37b0323557569a8affected
  • b61ec31c85756bbc898fb892555509afe709459a to < 48067b2ae4504500a7093d9e1e16b42e70330480affected

Linux Linux

Default version status: affected

  • 5.1affected
  • 0 to < 5.1unaffected
  • 5.10.261 to ≤ 5.10.*unaffected
  • 5.15.212 to ≤ 5.15.*unaffected
  • 6.1.178 to ≤ 6.1.*unaffected
  • 6.6.145 to ≤ 6.6.*unaffected
  • 6.12.97 to ≤ 6.12.*unaffected
  • 6.18.40 to ≤ 6.18.*unaffected
  • 7.1.5 to ≤ 7.1.*unaffected
  • 7.2 to ≤ *unaffected

References