CVE-2026-52926

Summary

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

batman-adv: clear current gateway during teardown

batadv_gw_node_free() removes the gateway list entries during mesh teardown, but it does not clear the currently selected gateway. This leaves stale gateway state behind across cleanup and can break a later mesh recreation.

Clear bat_priv->gw.curr_gw before walking the gateway list so the selected gateway reference is dropped as part of teardown.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux2265c141086474bbae55a5bb3afa1ebb78ccaa7c < a3f3f1ec8aad84c5dd386c430b9c61cddd85b18faffected
LinuxLinux2265c141086474bbae55a5bb3afa1ebb78ccaa7c < e2ec4c712d19141ca7bf7fbbb1d842f73abaa186affected
LinuxLinux2265c141086474bbae55a5bb3afa1ebb78ccaa7c < 9a1a8ed4facfe843bde6fdfcf7af0e9923eb2e17affected
LinuxLinux2265c141086474bbae55a5bb3afa1ebb78ccaa7c < 6de089b545db013433cf934bb4e4433dec2dd65faffected
LinuxLinux2265c141086474bbae55a5bb3afa1ebb78ccaa7c < 30bda3ef4b0cac777f1a7c314cd08b8ff6437365affected
LinuxLinux2265c141086474bbae55a5bb3afa1ebb78ccaa7c < ae7aeb0ce3c0ebbe357ed525779acac197a18086affected
LinuxLinux2265c141086474bbae55a5bb3afa1ebb78ccaa7c < 17e3a441111cd1a530cd6ee69a22f3161d80d810affected
LinuxLinux2265c141086474bbae55a5bb3afa1ebb78ccaa7c < a340a51ed801eab7bb454150c226323b865263ccaffected
LinuxLinux3.1affected
LinuxLinux0 < 3.1unaffected
LinuxLinux5.10.258 <= 5.10.*unaffected
LinuxLinux5.15.209 <= 5.15.*unaffected
LinuxLinux6.1.175 <= 6.1.*unaffected
LinuxLinux6.6.142 <= 6.6.*unaffected
LinuxLinux6.12.92 <= 6.12.*unaffected
LinuxLinux6.18.34 <= 6.18.*unaffected
LinuxLinux7.0.11 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References