HighFix available
net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts
Type: advisorySources: OSV
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.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.249, 5.15.199, 6.1.162, 6.12.67, 6.18.7, 6.6.122
- CVEs
- CVE-2026-22997
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 04:26 UTC · Revision 1
Source evidence
net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts
core-osv · Original sourcePublished 25 Jan 2026, 14:36 UTC
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.
osv:CVE-2026-22997
Kernel
Fixed versions: 5.10.249, 5.15.199, 6.1.162, 6.6.122, 6.12.67, 6.18.7
Complete source record
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"id": "a0af3a07d92572aadb87b6d7a76d323f52e1eb31b9eea3dfae4bbfb563a3798b",
"url": "https://osv.dev/vulnerability/CVE-2026-22997",
"method": "structured",
"payload": {
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"title": "net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts",
"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.",
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"modified": "2026-10-28T02:30:49.647718650Z",
"provider": "osv",
"references": [
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"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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"provider_metadata": {
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"related_cves": [
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"evidence": "/id"
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"security_relevant": true,
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"source_id": "core-osv",
"document_id": 518122,
"published_at": "2026-01-25T14:36:12.053+00:00"
}