{"cve":"CVE-2026-22997","nvd":{"published":"2026-01-25T15:15:54.540","modified":"2026-10-19T19:17:31.163","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-772"],"references":["https://git.kernel.org/stable/c/1809c82aa073a11b7d335ae932d81ce51a588a4a","https://git.kernel.org/stable/c/6121b7564c725b632ffe4764abe85aa239d37703","https://git.kernel.org/stable/c/809a437e27a3bf3c1c6c8c157773635552116f2b","https://git.kernel.org/stable/c/a73e7d7e346dae1c22dc3e95b02ca464b12daf2c","https://git.kernel.org/stable/c/adabf01c19561e42899da9de56a6a1da0e6b8a5b"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-22997","score":0.00465,"percentile":0.39969,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}