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CVE

CVE-2026-80600

batman-adv: dat: acquire ARP hw source only after skb realloc
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CVE

CVE-2026-80600

batman-adv: dat: acquire ARP hw source only after skb realloc

In the Linux kernel, the following vulnerability has been resolved:

batman-adv: dat: acquire ARP hw source only after skb realloc

The pskbmaypull() called by batadvgetvid() 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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://git.kernel.org/stable/c/01678c53a7717a748aee388b6839e7b9761d641c, https://git.kernel.org/stable/c/059a70e1d12d6d99310e0599d37b0323557569a8, https://git.kernel.org/stable/c/3404be97b940a9b1ae1aea5fdbc6cdbbe9cd5146, https://git.kernel.org/stable/c/3b4c70c40f2e135a50cd38fc61c7d23a296a9981, https://git.kernel.org/stable/c/48067b2ae4504500a7093d9e1e16b42e70330480, https://git.kernel.org/stable/c/86aa79b43e5b561fd3648891165bd7313b541315, https://git.kernel.org/stable/c/a82fc217cb7a447313c76ebf9f09b100771b0ddf, https://git.kernel.org/stable/c/d755cd001fa2c248e186c1fc3df3d11d97dc843c, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80600.json, https://nvd.nist.gov/vuln/detail/CVE-2026-80600, https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00734%
EPSS Percentile
0.52978%
Introduced Version
b61ec31c85756bbc898fb892555509afe709459a,5.1.0,5.11.0,5.16.0,6.2.0,6.7.0,6.13.0,6.19.0,0
Fix Available
48067b2ae4504500a7093d9e1e16b42e70330480,5.10.261,5.15.212,6.1.178,6.6.145,6.12.97,6.18.40,7.1.5,6.1.180-1,6.12.100-1,7.0.0-38.38,7.0.0-1014.14,7.0.0-1017.17,7.0.0-1016.16,7.0.0-1008.9,7.0.0-1015.15,7.0.0-1013.13,7.0.0-38.38.1,5.15.0-1117.124~20.04.1,5.15.0-1123.132~20.04.1,5.15.0-1122.131~20.04.1,5.15.0-1118.128~20.04.1,5.15.0-198.208~20.04.1,5.15.0-1111.115~20.04.1,5.15.0-1112.118~20.04.1,5.15.0-195.205~20.04.1,5.15.0-1114.120~20.04.1,5.15.0-198.208,5.15.0-1117.124,5.15.0-1123.132,5.15.0-1118.128,5.15.0-1113.119,5.15.0-1100.108,5.15.0-1111.115,5.15.0-1112.118,5.15.0-1109.114,5.15.0-195.205,5.15.0-1114.120,5.15.0-1080.84

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