CVE-2026-90273

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90273", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.797Z", "datePublished": "2026-09-17T16:08:06.638Z", "dateUpdated": "2026-10-30T12:35:02.543Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:35:02.543Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncoresight: etm4x: missing cscfg_csdev_disable_active_config() in perf enable\n\nIn the perf enable path, there are missing cases where\ncscfg_csdev_disable_active_config() is not called:\n\n - Branch broadcast is selected but not supported by the hardware\n - etm4_enable_hw() fails\n\nThis can lead to a leak of config_desc->active_cnt.\nFix this by properly calling cscfg_csdev_disable_active_config()\nin these error paths."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hwtracing/coresight/coresight-etm4x-core.c"], "versions": [{"version": "810ac401db1fe432020d7936a199591000de8279", "lessThan": "f097b6969e9961365358fc5ba5892db2f284f020", "status": "affected", "versionType": "git"}, {"version": "810ac401db1fe432020d7936a199591000de8279", "lessThan": "ba63c62d4252f6bc58fd2a567075c72d03332562", "status": "affected", "versionType": "git"}, {"version": "810ac401db1fe432020d7936a199591000de8279", "lessThan": "26f9e89bad5a7e3005d3dc97a2e2fa6d6b2b8bb6", "status": "affected", "versionType": "git"}, {"version": "810ac401db1fe432020d7936a199591000de8279", "lessThan": "d5f3dae82705d9388434892915008da3bb83c4ba", "status": "affected", "versionType": "git"}, {"version": "810ac401db1fe432020d7936a199591000de8279", "lessThan": "7e4f2702bbadbde887a5d8897297720a7f037ee5", "status": "affected", "versionType": "git"}, {"version": "810ac401db1fe432020d7936a199591000de8279", "lessThan": "0a47f0be6557b4a851addd430383a4dc7ee08752", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hwtracing/coresight/coresight-etm4x-core.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.57", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.15", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.18.57"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f097b6969e9961365358fc5ba5892db2f284f020"}, {"url": "https://git.kernel.org/stable/c/ba63c62d4252f6bc58fd2a567075c72d03332562"}, {"url": "https://git.kernel.org/stable/c/26f9e89bad5a7e3005d3dc97a2e2fa6d6b2b8bb6"}, {"url": "https://git.kernel.org/stable/c/d5f3dae82705d9388434892915008da3bb83c4ba"}, {"url": "https://git.kernel.org/stable/c/7e4f2702bbadbde887a5d8897297720a7f037ee5"}, {"url": "https://git.kernel.org/stable/c/0a47f0be6557b4a851addd430383a4dc7ee08752"}], "title": "coresight: etm4x: missing cscfg_csdev_disable_active_config() in perf enable", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/hwtracing/coresight/coresight-etm4x-core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "f097b6969e9961365358fc5ba5892db2f284f020", "status": "affected", "version": "810ac401db1fe432020d7936a199591000de8279", "versionType": "git"}, {"lessThan": "ba63c62d4252f6bc58fd2a567075c72d03332562", "status": "affected", "version": "810ac401db1fe432020d7936a199591000de8279", "versionType": "git"}, {"lessThan": "26f9e89bad5a7e3005d3dc97a2e2fa6d6b2b8bb6", "status": "affected", "version": "810ac401db1fe432020d7936a199591000de8279", "versionType": "git"}, {"lessThan": "d5f3dae82705d9388434892915008da3bb83c4ba", "status": "affected", "version": "810ac401db1fe432020d7936a199591000de8279", "versionType": "git"}, {"lessThan": "7e4f2702bbadbde887a5d8897297720a7f037ee5", "status": "affected", "version": "810ac401db1fe432020d7936a199591000de8279", "versionType": "git"}, {"lessThan": "0a47f0be6557b4a851addd430383a4dc7ee08752", "status": "affected", "version": "810ac401db1fe432020d7936a199591000de8279", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/hwtracing/coresight/coresight-etm4x-core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.15"}, {"lessThan": "5.15", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.57", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncoresight: etm4x: missing cscfg_csdev_disable_active_config() in perf enable\n\nIn the perf enable path, there are missing cases where\ncscfg_csdev_disable_active_config() is not called:\n\n - Branch broadcast is selected but not supported by the hardware\n - etm4_enable_hw() fails\n\nThis can lead to a leak of config_desc->active_cnt.\nFix this by properly calling cscfg_csdev_disable_active_config()\nin these error paths."}], "id": "CVE-2026-90273", "lastModified": "2026-10-30T13:20:48.620", "metrics": {}, "published": "2026-09-17T17:17:23.883", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0a47f0be6557b4a851addd430383a4dc7ee08752"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/26f9e89bad5a7e3005d3dc97a2e2fa6d6b2b8bb6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7e4f2702bbadbde887a5d8897297720a7f037ee5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ba63c62d4252f6bc58fd2a567075c72d03332562"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d5f3dae82705d9388434892915008da3bb83c4ba"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f097b6969e9961365358fc5ba5892db2f284f020"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[810ac401db1fe432020d7936a199591000de8279,7e4f2702bbadbde887a5d8897297720a7f037ee5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[810ac401db1fe432020d7936a199591000de8279,0a47f0be6557b4a851addd430383a4dc7ee08752)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.15"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.15)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T02:45:16.078559+00:00", "updated": "2026-09-19T15:00:12.193470+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-200", "CWE-665"]}