CVE-2026-90273
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 810ac401db1fe432020d7936a199591000de8279 < 7e4f2702bbadbde887a5d8897297720a7f037ee5 | affected |
| Linux | Linux | 810ac401db1fe432020d7936a199591000de8279 < 0a47f0be6557b4a851addd430383a4dc7ee08752 | affected |
| Linux | Linux | 5.15 | affected |
| Linux | Linux | 0 < 5.15 | unaffected |
| Linux | Linux | 7.2.6 <= 7.2.* | unaffected |
| Linux | Linux | 7.3-rc1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/7e4f2702bbadbde887a5d8897297720a7f037ee5
- https://git.kernel.org/stable/c/0a47f0be6557b4a851addd430383a4dc7ee08752
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