In the Linux kernel, the following vulnerability has been resolved: batman-adv: access unicast_ttvn skb->data only after skb realloc Th…
CVE-2026-72234 · published 15 Aug 2026
How serious is it
- Severity: critical, CVSS score 9.8 out of 10.
- No exploit prediction (EPSS) score yet.
- Not on the CISA list of exploited vulnerabilities.
- No public exploit in Exploit-DB.
Is your app affected by CVE-2026-72234?
Paste this prompt into Claude Code, Cursor or any AI coding tool: it runs a free Shippable scan of your project and fixes what it finds. Built with Lovable, Bolt or v0? Scan your live app. Or upload your package file.
Who is affected
- Linux Linux: 3.13
How to check
- Find out whether you run the affected product and which version, then compare it with the versions above.
How to fix
Copies a prompt for Claude Code, Cursor or Codex that asks it to check whether you run this product.
- Apply the vendor's update or mitigation from the references below. If there is none yet, limit exposure of the affected service until there is.
- If a vulnerable version was live, check your logs and rotate the secrets that server could read.
The advisory
In the Linux kernel, the following vulnerability has been resolved:
batman-adv: access unicast_ttvn skb->data 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.
This was done correctly for the ethernet header but missed for the
unicast_packet pointer.
Check your whole app
Dependencies are only half of it. Free and read-only: before you push, run npx shippable-dev scan localhost:3000 in your project folder, no account needed. For your live app, you prove it's yours with a one-line tag first.
References
- git.kernel.org/stable/c/7141990add3f75436f2933cb310654cad3b1e3e9
- git.kernel.org/stable/c/7b162b36de750565404cd3b98315706622c6974f
- git.kernel.org/stable/c/979175834a699ccc3c4c0b0ba60ecae0f135a587
- git.kernel.org/stable/c/9a7b7248798123efbd5fafe58461d57c7cc718af
- git.kernel.org/stable/c/9c2c05629e46c1fd43931506d41c56a885a98eb4
- git.kernel.org/stable/c/aa9558af859934f24717d4bab97d61004f91a736
- git.kernel.org/stable/c/b8afcf799b2cc92c41beebd029e53ed18960184a
- git.kernel.org/stable/c/ed90eb5c68420cdfe67ec1f773324198d2ef6f50
Merged from NVD. Last updated 23 Oct 2026. All vulnerabilities · RSS · JSON