CVE-2026-72233
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Linux
PublishedAug 15, 2026
First seenAug 15, 2026
How to fix
Update
- Linux Linux41819c5467b6eb8ab4567f0ac98702ce9b6abbb1, a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400f, 4a6673c55752a7aa41e28f51660eb981504ca088, ab2bac47a02637df1128a151e81d3ec14767f4bb, dc16bbf53cede1baf564bf0c8a861114b64e18b3, e5e18886aadd3870e2d84e32a9678317fab1dd9e, f4fb97ecf677cd9c3aa4f3bfc6fbf5b0e4bdbbbf, cdf3b5af2bc4431e58629e8ad2086b1e9185c761 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 ≤ v < 41819c5467b6eb8ab4567f0ac98702ce9b6abbb1, 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 ≤ v < a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400f, 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 ≤ v < 4a6673c55752a7aa41e28f51660eb981504ca088, 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 ≤ v < ab2bac47a02637df1128a151e81d3ec14767f4bb, 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 ≤ v < dc16bbf53cede1baf564bf0c8a861114b64e18b3, 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 ≤ v < e5e18886aadd3870e2d84e32a9678317fab1dd9e, 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 ≤ v < f4fb97ecf677cd9c3aa4f3bfc6fbf5b0e4bdbbbf, 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88 ≤ v < cdf3b5af2bc4431e58629e8ad2086b1e9185c761, 4.12 | 41819c5467b6eb8ab4567f0ac98702ce9b6abbb1, a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400f, 4a6673c55752a7aa41e28f51660eb981504ca088, ab2bac47a02637df1128a151e81d3ec14767f4bb, dc16bbf53cede1baf564bf0c8a861114b64e18b3, e5e18886aadd3870e2d84e32a9678317fab1dd9e, f4fb97ecf677cd9c3aa4f3bfc6fbf5b0e4bdbbbf, cdf3b5af2bc4431e58629e8ad2086b1e9185c761 |
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