{"id":"CVE-2026-90273","published":"2026-09-17T17:17:23.883","lastModified":"2026-09-17T17:17:23.883","description":"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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/0a47f0be6557b4a851addd430383a4dc7ee08752","tags":[]},{"url":"https://git.kernel.org/stable/c/7e4f2702bbadbde887a5d8897297720a7f037ee5","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}