CVE-2026-22997 - net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts

CVE-2026-22997 - net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts

https://cvefeed.io/rssfeed/latest.atom / Sun, 01/25/2026 - 16:59
CVE ID : CVE-2026-22997
Published : Jan. 25, 2026, 3:15 p.m. | 29 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts Since j1939_session_deactivate_activate_next() in j1939_tp_rxtimer() is called only when the timer is enabled, we need to call j1939_session_deactivate_activate_next() if we cancelled the timer. Otherwise, refcount for j1939_session leaks, which will later appear as | unregister_netdevice: waiting for vcan0 to become free. Usage count = 2. problem.
Severity: 0.0 | NA
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