CVE-2026-72228
In the Linux kernel, the following vulnerability has been resolved: batman-adv: frag: fix primary_if leak on failed linearization If the skb has a frag_list, it must be linearized before it can be split using skb_split(). But when this step failed, it must not only free the skb but also take care of the reference to the already found primary_if.
Affected versions
Linux kernel versions
5.10.117,
5.15.41,
4.14.280,
4.19.244,
5.4.195,
5.17.9,
5.18
and later are affected. Fixed in
5.10.261,
5.15.212,
6.1.178,
6.6.145,
6.12.97,
6.18.40,
7.1.5,
7.2-rc3
and their respective stable series.
References
8 totalFrequently asked questions
-
What is CVE-2026-72228?
CVE-2026-72228 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.10.117 onward and has been patched in 5.10.261, 5.15.212, 6.1.178 and others. CVE-2026-72228 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
Is there a patch available for CVE-2026-72228?
Yes. CVE-2026-72228 has been patched. Fixed versions include 5.10.261, 5.15.212, 6.1.178 and others. If you are running Linux kernel 5.10.117 or later up to the fix versions, apply the relevant patch for your kernel branch.
-
Is CVE-2026-72228 actively exploited?
No. CVE-2026-72228 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.