CVE-2026-90273

Not scored yetLast modified Oct 21, 2026

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.

Metrics

No CVSS score has been published yet.

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Sep 17, 2026
Last modified
Oct 21, 2026
NVD status
Received

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CVE-2026-90273: Unscored | Vulnix