CVE-2026-46231
Published May 28, 2026
Modified Jun 1, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: put backbone reference on failed claim hash insert When batadv_bla_add_claim() fails to insert a new claim into the hash, it leaked a reference to the backbone_gw for which the claim was intended. Call batadv_backbone_gw_put() on the error path to release the reference and avoid leaking the backbone_gw object.
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EPSS — Exploit Prediction
0.0012
Probability of exploitation
0.02%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Other References
https://git.kernel.org/stable/c/0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0
https://git.kernel.org/stable/c/2888c9a154123db0254ae4fb9bea570c7e1f2e06
https://git.kernel.org/stable/c/65419eb4259a26a3cd3f56fa0e3b3c113bf8c256
https://git.kernel.org/stable/c/6c8b68a7ed667a63aa603ba4d3a7088be143007e
https://git.kernel.org/stable/c/769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14
https://git.kernel.org/stable/c/7cccf4eb4f96d3c3af91a00b7a9caa652439542e
https://git.kernel.org/stable/c/ba9d20ee9076dac32c371116bacbe72480eb356c
https://git.kernel.org/stable/c/fd0ca034c1e71ca7613cde9dd892836b2c2831bd
Frequently Asked Questions
What is CVE-2026-46231? +
In the Linux kernel, the following vulnerability has been resolved:
batman-adv: bla: put backbone reference on failed claim hash insert
When batadv_bla_add_claim() fails to insert a new claim into the hash, it
leaked a reference to the backbone_gw for which the claim was intended.
Call batadv_backbone_gw_put() on the error path to release the reference
and avoid leaking the backbone_gw object.
How do I check if I'm vulnerable to CVE-2026-46231? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.