High 8.8Published Aug 15, 2026

CVE-2026-72233batman-adv: bla: reacquire gw address after skb realloc

Updated under an hour ago (Oct 27, 2026, 8:10 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: reacquire gw address after skb realloc The pskb_may_pull() called by batadv_bla_is_backbone_gw() 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: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Oct 16, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 before 41819c5467b6eb8ab4567f0ac98702ce9b6abbb1; from 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 before a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400f; 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 builds before 4a6673c55752a7aa41e28f51660eb981504ca088; from 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 before ab2bac47a02637df1128a151e81d3ec14767f4bb; from 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 before dc16bbf53cede1baf564bf0c8a861114b64e18b3; from 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 before e5e18886aadd3870e2d84e32a9678317fab1dd9e; from 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 before f4fb97ecf677cd9c3aa4f3bfc6fbf5b0e4bdbbbf; from 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 before cdf3b5af2bc4431e58629e8ad2086b1e9185c761	CNA record

References

References

https://git.kernel.org/stable/c/41819c5467b6eb8ab4567f0ac98702ce9b6abbb1
https://git.kernel.org/stable/c/a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400f
https://git.kernel.org/stable/c/4a6673c55752a7aa41e28f51660eb981504ca088
https://git.kernel.org/stable/c/ab2bac47a02637df1128a151e81d3ec14767f4bb
https://git.kernel.org/stable/c/dc16bbf53cede1baf564bf0c8a861114b64e18b3
https://git.kernel.org/stable/c/e5e18886aadd3870e2d84e32a9678317fab1dd9e
https://git.kernel.org/stable/c/f4fb97ecf677cd9c3aa4f3bfc6fbf5b0e4bdbbbf
https://git.kernel.org/stable/c/cdf3b5af2bc4431e58629e8ad2086b1e9185c761

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.