CVE-2026-72235

linux: In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieve ethhdr after potential skb...

CVE-2026-72235 is fixed in 39 products on 1 platform, first by DEBIAN-CVE-2026-72235, released August 15, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0034
28th percentile

In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieve ethhdr after potential skb realloc on RX pskb_may_pull() in batadv_interface_rx() 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. This was done correctly for the VLAN header but missed for the ethernet header which is later used for the TT and AP isolation handling.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
bpftool · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-container · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-container · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-container-debug · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-container-debug · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-core · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-core · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-core · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-core · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-devel · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-devel · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-devel · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-devel · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-modules · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-modules · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-extra · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-modules-extra · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-devel · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-devel · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-devel · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-devel · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-doc · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-doc · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-doc · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-doc · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-modules · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-modules · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-deprecated · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-deprecated · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-desktop · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-desktop · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-extra · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-extra · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-modules-extra · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-modules-extra · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-usb · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-usb · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-wireless · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-wireless · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-tools · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-tools · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-core · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-core · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-devel · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-devel · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-devel · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-devel · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-modules · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-modules · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-extra · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-extra · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-modules-extra · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-modules-extra · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-usb · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-usb · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
linux · Debian 12.15 (bookworm) 6.1.180-1 DEBIAN-CVE-2026-72235 Aug 15, 2026
linux · Debian 13.5 (trixie) 6.12.100-1 DEBIAN-CVE-2026-72235 Aug 15, 2026
linux · Debian 14 7.1.5-1 DEBIAN-CVE-2026-72235 Aug 15, 2026

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