Strix
63.6K

CVE-2026-80600

CRITICALCVSS 9.8/10EPSS 0.18%

Last modified

CVE-2026-80600 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: acquire ARP hw source 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: acquire ARP hw source 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.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
0.18%

7.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

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

VendorProductVersions
LinuxLinux>= b61ec31c85756bbc898fb892555509afe709459a, < a82fc217cb7a447313c76ebf9f09b100771b0ddf; >= b61ec31c85756bbc898fb892555509afe709459a, < 86aa79b43e5b561fd3648891165bd7313b541315; >= b61ec31c85756bbc898fb892555509afe709459a, < d755cd001fa2c248e186c1fc3df3d11d97dc843c; >= b61ec31c85756bbc898fb892555509afe709459a, < 3404be97b940a9b1ae1aea5fdbc6cdbbe9cd5146; >= b61ec31c85756bbc898fb892555509afe709459a, < 01678c53a7717a748aee388b6839e7b9761d641c; >= b61ec31c85756bbc898fb892555509afe709459a, < 3b4c70c40f2e135a50cd38fc61c7d23a296a9981; >= b61ec31c85756bbc898fb892555509afe709459a, < 059a70e1d12d6d99310e0599d37b0323557569a8; >= b61ec31c85756bbc898fb892555509afe709459a, < 48067b2ae4504500a7093d9e1e16b42e70330480
LinuxLinux5.1

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-80600?
In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: acquire ARP hw source 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.
How severe is CVE-2026-80600?
CVE-2026-80600 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-80600?
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.

How Strix Helps

Related CVEs from 2026

View all 2026CVEs →

Are you affected by CVE-2026-80600?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST