{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-22997","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:45.938Z","datePublished":"2026-01-25T14:36:12.053Z","dateUpdated":"2026-05-11T21:58:00.440Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:58:00.440Z"},"descriptions":[{"lang":"en","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."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/can/j1939/transport.c"],"versions":[{"version":"9d71dd0c70099914fcd063135da3c580865e924c","lessThan":"a73e7d7e346dae1c22dc3e95b02ca464b12daf2c","status":"affected","versionType":"git"},{"version":"9d71dd0c70099914fcd063135da3c580865e924c","lessThan":"adabf01c19561e42899da9de56a6a1da0e6b8a5b","status":"affected","versionType":"git"},{"version":"9d71dd0c70099914fcd063135da3c580865e924c","lessThan":"b1d67607e97d489c0cfbbf55f48a76b00710b0e4","status":"affected","versionType":"git"},{"version":"9d71dd0c70099914fcd063135da3c580865e924c","lessThan":"809a437e27a3bf3c1c6c8c157773635552116f2b","status":"affected","versionType":"git"},{"version":"9d71dd0c70099914fcd063135da3c580865e924c","lessThan":"cb2a610867bc379988bae0bb4b8bbc59c0decf1a","status":"affected","versionType":"git"},{"version":"9d71dd0c70099914fcd063135da3c580865e924c","lessThan":"6121b7564c725b632ffe4764abe85aa239d37703","status":"affected","versionType":"git"},{"version":"9d71dd0c70099914fcd063135da3c580865e924c","lessThan":"1809c82aa073a11b7d335ae932d81ce51a588a4a","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/can/j1939/transport.c"],"versions":[{"version":"5.4","status":"affected"},{"version":"0","lessThan":"5.4","status":"unaffected","versionType":"semver"},{"version":"5.10.249","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.199","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.162","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.122","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.67","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.7","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.10.249"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.15.199"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.1.162"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.6.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.12.67"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.18.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a73e7d7e346dae1c22dc3e95b02ca464b12daf2c"},{"url":"https://git.kernel.org/stable/c/adabf01c19561e42899da9de56a6a1da0e6b8a5b"},{"url":"https://git.kernel.org/stable/c/b1d67607e97d489c0cfbbf55f48a76b00710b0e4"},{"url":"https://git.kernel.org/stable/c/809a437e27a3bf3c1c6c8c157773635552116f2b"},{"url":"https://git.kernel.org/stable/c/cb2a610867bc379988bae0bb4b8bbc59c0decf1a"},{"url":"https://git.kernel.org/stable/c/6121b7564c725b632ffe4764abe85aa239d37703"},{"url":"https://git.kernel.org/stable/c/1809c82aa073a11b7d335ae932d81ce51a588a4a"}],"title":"net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts","x_generator":{"engine":"bippy-1.2.0"}}}}