CVE-2026-22997 (GCVE-0-2026-22997)
Vulnerability from cvelistv5
Published
2026-01-25 14:36
Modified
2026-02-09 08:36
Severity ?
Summary
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.
References
Impacted products
Vendor Product Version
Linux Linux Version: 9d71dd0c70099914fcd063135da3c580865e924c
Version: 9d71dd0c70099914fcd063135da3c580865e924c
Version: 9d71dd0c70099914fcd063135da3c580865e924c
Version: 9d71dd0c70099914fcd063135da3c580865e924c
Version: 9d71dd0c70099914fcd063135da3c580865e924c
Version: 9d71dd0c70099914fcd063135da3c580865e924c
Version: 9d71dd0c70099914fcd063135da3c580865e924c
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          "value": "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."
        }
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      "providerMetadata": {
        "dateUpdated": "2026-02-09T08:36:48.983Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "title": "net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts",
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    "datePublished": "2026-01-25T14:36:12.053Z",
    "dateReserved": "2026-01-13T15:37:45.938Z",
    "dateUpdated": "2026-02-09T08:36:48.983Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2"
}


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