{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"b64f60c468d149aca22ea56bb842b9730215aaa5","status":"affected","version":"ffd980f976e7fd666c2e61bf8ab35107efd11828","versionType":"git"},{"lessThan":"c8a5d7cb095d3b12bd9dcf752d6ca0ff50872ac5","status":"affected","version":"ffd980f976e7fd666c2e61bf8ab35107efd11828","versionType":"git"},{"lessThan":"4b97410f4bba18d2ee2784c8e089104f387bc27c","status":"affected","version":"ffd980f976e7fd666c2e61bf8ab35107efd11828","versionType":"git"},{"lessThan":"5f246b96ab47523ec9b8ea870b5c567a3cb1eb1c","status":"affected","version":"ffd980f976e7fd666c2e61bf8ab35107efd11828","versionType":"git"},{"lessThan":"656ff69ef235699035e57d9e1ae417e62a38aa7f","status":"affected","version":"ffd980f976e7fd666c2e61bf8ab35107efd11828","versionType":"git"},{"lessThan":"136de17f38630307991c59aa7080012a99451783","status":"affected","version":"ffd980f976e7fd666c2e61bf8ab35107efd11828","versionType":"git"},{"lessThan":"c312b750bb5ac3348cfc85dab25e90937bd4d251","status":"affected","version":"ffd980f976e7fd666c2e61bf8ab35107efd11828","versionType":"git"},{"lessThan":"58fd6cbc8541216af1d7ed272ea7ac2b66d50fd8","status":"affected","version":"ffd980f976e7fd666c2e61bf8ab35107efd11828","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"2.6.25"},{"lessThan":"2.6.25","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.265","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.216","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.183","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.148","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.101","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.42","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2026-72117","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: fix data race on rx_stamp/rx_ifindex in bcm_rx_handler()\n\nFor an rx op subscribed on all interfaces (ifindex == 0), the same op\nis registered once in the shared per-netns wildcard filter list, so\nbcm_rx_handler() can run concurrently on different CPUs for frames\narriving on different net devices.\n\nop->rx_stamp and op->rx_ifindex were written before bcm_rx_update_lock was\ntaken, allowing concurrent writers to race each other - including a torn\nstore of the 64-bit rx_stamp on 32-bit platforms.\n\nBeyond a torn store bcm_send_to_user() must report the timestamp/ifindex\nof the very same frame whose content it is delivering. So the assignment\nis placed in the same unbroken bcm_rx_update_lock section as the content\ncomparison.\n\nAs a side effect, the RTR-request frame feature (which never reach\nbcm_send_to_user()) no longer updates rx_stamp/rx_ifindex, since only\nthe notification path needs them.","epss":{"date":"2026-11-06","percentile":0.12135,"score":0.00216},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793985577500,"publishedAt":1786773176991,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/b64f60c468d149aca22ea56bb842b9730215aaa5"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/c8a5d7cb095d3b12bd9dcf752d6ca0ff50872ac5"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/4b97410f4bba18d2ee2784c8e089104f387bc27c"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/5f246b96ab47523ec9b8ea870b5c567a3cb1eb1c"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/656ff69ef235699035e57d9e1ae417e62a38aa7f"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/136de17f38630307991c59aa7080012a99451783"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/c312b750bb5ac3348cfc85dab25e90937bd4d251"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/58fd6cbc8541216af1d7ed272ea7ac2b66d50fd8"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/136de17f38630307991c59aa7080012a99451783"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/4b97410f4bba18d2ee2784c8e089104f387bc27c"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/58fd6cbc8541216af1d7ed272ea7ac2b66d50fd8"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/5f246b96ab47523ec9b8ea870b5c567a3cb1eb1c"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/656ff69ef235699035e57d9e1ae417e62a38aa7f"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/b64f60c468d149aca22ea56bb842b9730215aaa5"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/c312b750bb5ac3348cfc85dab25e90937bd4d251"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/c8a5d7cb095d3b12bd9dcf752d6ca0ff50872ac5"}],"remediation":[],"revision":"e897527a05c281dcaf8e99826af03f4ee6472a74fb3625ed382d7dec4deb2f78","sources":[{"modifiedAt":1793984120494,"name":"CNA: Linux","retrievedAt":1793986042476,"url":"https://www.cve.org/CVERecord?id=CVE-2026-72117"},{"modifiedAt":1793985577500,"name":"NVD","retrievedAt":1793989687759,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72117"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793986079407,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-72117"}],"ssvc":{"assessedAt":1793983905682,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"can: bcm: fix data race on rx_stamp/rx_ifindex in bcm_rx_handler()","updatedAt":1793989687759}