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CVE-2026-72233

HIGHCVSS 8.8/10EPSS 0.21%

Last modified

CVE-2026-72233 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.21%

11.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < 41819c5467b6eb8ab4567f0ac98702ce9b6abbb1; >= 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < a9ab19fbca86b32e9a9ae9e1a63e70a7eab3400f; >= 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < 4a6673c55752a7aa41e28f51660eb981504ca088; >= 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < ab2bac47a02637df1128a151e81d3ec14767f4bb; >= 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < dc16bbf53cede1baf564bf0c8a861114b64e18b3; >= 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < e5e18886aadd3870e2d84e32a9678317fab1dd9e; >= 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < f4fb97ecf677cd9c3aa4f3bfc6fbf5b0e4bdbbbf; >= 9e794b6bf4a2c65d698d7433ddfabc54a5d53a88, < cdf3b5af2bc4431e58629e8ad2086b1e9185c761
LinuxLinux4.12

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-72233?
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.
How severe is CVE-2026-72233?
CVE-2026-72233 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-72233?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST