CVE-2026-46231
batman-adv: bla: put backbone reference on failed claim hash insert
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 3.17, 4.5
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 3.16.39 · fixed in 3.17; From 4.4.217 · fixed in 4.5
- Linux Linux
4.7
References 8
git.kernel.org
- stable/c/6c8b68a7ed667a63aa603ba4d3a7088be143007e
- stable/c/769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14
- stable/c/2888c9a154123db0254ae4fb9bea570c7e1f2e06
- stable/c/65419eb4259a26a3cd3f56fa0e3b3c113bf8c256
- stable/c/fd0ca034c1e71ca7613cde9dd892836b2c2831bd
- stable/c/0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0
- stable/c/7cccf4eb4f96d3c3af91a00b7a9caa652439542e
- stable/c/ba9d20ee9076dac32c371116bacbe72480eb356c