CVE-2026-22997In 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…
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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.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 5.4 before 5.10.249; from 5.11 before 5.15.199; from 5.16 before 6.1.162; from 6.2 before 6.6.122; from 6.7 before 6.12.67; from 6.13 before 6.18.7; 6.19; 6.19; and 3 more ranges | NVD |
References
- https://git.kernel.org/stable/c/1809c82aa073a11b7d335ae932d81ce51a588a4apatch
- https://git.kernel.org/stable/c/6121b7564c725b632ffe4764abe85aa239d37703patch
- https://git.kernel.org/stable/c/809a437e27a3bf3c1c6c8c157773635552116f2bpatch
- https://git.kernel.org/stable/c/a73e7d7e346dae1c22dc3e95b02ca464b12daf2cpatch
- https://git.kernel.org/stable/c/adabf01c19561e42899da9de56a6a1da0e6b8a5bpatch
- https://git.kernel.org/stable/c/b1d67607e97d489c0cfbbf55f48a76b00710b0e4patch
- https://git.kernel.org/stable/c/cb2a610867bc379988bae0bb4b8bbc59c0decf1apatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.