CVE-2026-90273
Unknown
Description
In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: missing cscfg_csdev_disable_active_config() in perf enable In the perf enable path, there are missing cases where cscfg_csdev_disable_active_config() is not called: - Branch broadcast is selected but not supported by the hardware - etm4_enable_hw() fails This can lead to a leak of config_desc->active_cnt. Fix this by properly calling cscfg_csdev_disable_active_config() in these error paths.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedSep 17, 2026
First seenSep 17, 2026
How to fix
Update
- Linux Linuxf097b6969e9961365358fc5ba5892db2f284f020, ba63c62d4252f6bc58fd2a567075c72d03332562, 26f9e89bad5a7e3005d3dc97a2e2fa6d6b2b8bb6, d5f3dae82705d9388434892915008da3bb83c4ba, 7e4f2702bbadbde887a5d8897297720a7f037ee5, 0a47f0be6557b4a851addd430383a4dc7ee08752 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 810ac401db1fe432020d7936a199591000de8279 ≤ v < f097b6969e9961365358fc5ba5892db2f284f020, 810ac401db1fe432020d7936a199591000de8279 ≤ v < ba63c62d4252f6bc58fd2a567075c72d03332562, 810ac401db1fe432020d7936a199591000de8279 ≤ v < 26f9e89bad5a7e3005d3dc97a2e2fa6d6b2b8bb6, 810ac401db1fe432020d7936a199591000de8279 ≤ v < d5f3dae82705d9388434892915008da3bb83c4ba, 810ac401db1fe432020d7936a199591000de8279 ≤ v < 7e4f2702bbadbde887a5d8897297720a7f037ee5, 810ac401db1fe432020d7936a199591000de8279 ≤ v < 0a47f0be6557b4a851addd430383a4dc7ee08752, 5.15 | f097b6969e9961365358fc5ba5892db2f284f020, ba63c62d4252f6bc58fd2a567075c72d03332562, 26f9e89bad5a7e3005d3dc97a2e2fa6d6b2b8bb6, d5f3dae82705d9388434892915008da3bb83c4ba, 7e4f2702bbadbde887a5d8897297720a7f037ee5, 0a47f0be6557b4a851addd430383a4dc7ee08752 |
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