{"id":"CVE-2026-22997","summary":"net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts\n\nSince j1939_session_deactivate_activate_next() in j1939_tp_rxtimer() is\ncalled only when the timer is enabled, we need to call\nj1939_session_deactivate_activate_next() if we cancelled the timer.\nOtherwise, refcount for j1939_session leaks, which will later appear as\n\n| unregister_netdevice: waiting for vcan0 to become free. Usage count = 2.\n\nproblem.","modified":"2026-04-02T13:11:42.119672Z","published":"2026-01-25T14:36:12.053Z","related":["SUSE-SU-2026:0447-1","SUSE-SU-2026:0472-1","SUSE-SU-2026:0587-1","SUSE-SU-2026:20477-1","SUSE-SU-2026:20498-1","SUSE-SU-2026:20555-1","SUSE-SU-2026:20599-1","SUSE-SU-2026:20615-1","SUSE-SU-2026:20845-1","SUSE-SU-2026:20876-1","openSUSE-SU-2026:20287-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22997.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1809c82aa073a11b7d335ae932d81ce51a588a4a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6121b7564c725b632ffe4764abe85aa239d37703"},{"type":"WEB","url":"https://git.kernel.org/stable/c/809a437e27a3bf3c1c6c8c157773635552116f2b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a73e7d7e346dae1c22dc3e95b02ca464b12daf2c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/adabf01c19561e42899da9de56a6a1da0e6b8a5b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b1d67607e97d489c0cfbbf55f48a76b00710b0e4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cb2a610867bc379988bae0bb4b8bbc59c0decf1a"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22997.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22997"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"9d71dd0c70099914fcd063135da3c580865e924c"},{"fixed":"a73e7d7e346dae1c22dc3e95b02ca464b12daf2c"},{"fixed":"adabf01c19561e42899da9de56a6a1da0e6b8a5b"},{"fixed":"b1d67607e97d489c0cfbbf55f48a76b00710b0e4"},{"fixed":"809a437e27a3bf3c1c6c8c157773635552116f2b"},{"fixed":"cb2a610867bc379988bae0bb4b8bbc59c0decf1a"},{"fixed":"6121b7564c725b632ffe4764abe85aa239d37703"},{"fixed":"1809c82aa073a11b7d335ae932d81ce51a588a4a"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-22997.json"}}],"schema_version":"1.7.5"}