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CVE-2026-72233

8.8 · HIGH

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 realloc…

Published Aug 15, 2026EPSS 0.34%

Overview

CVE-2026-72233 is a high-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/41819c5467b6eb8ab4567f0ac98702ce9b6abbb1Refgit.kernel.org/stable/c/4a6673c55752a7aa41e28f51660eb981504ca088Refgit.kernel.org/stable/c/a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400fRefgit.kernel.org/stable/c/ab2bac47a02637df1128a151e81d3ec14767f4bbRefgit.kernel.org/stable/c/cdf3b5af2bc4431e58629e8ad2086b1e9185c761Refgit.kernel.org/stable/c/dc16bbf53cede1baf564bf0c8a861114b64e18b3Refgit.kernel.org/stable/c/e5e18886aadd3870e2d84e32a9678317fab1dd9eRefgit.kernel.org/stable/c/f4fb97ecf677cd9c3aa4f3bfc6fbf5b0e4bdbbbf

How CyberStrike helps

Frequently asked questions

What is CVE-2026-72233?

CVE-2026-72233 is a high-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-72233?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-72233?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-72233?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-72233 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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