CVE-2026-90273

A flaw was found in the Coresight ETM4x component of the Linux kernel. This vulnerability occurs in the performance perf enable path due to missing calls to cscfgcsdevdisableactiveconfig when branch broadcast is unsupported or hardware enablement fails. This oversight can lead to a leak of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: fixed an underflow issue when using nrseqstate - 1 for initialization or setting TRCSEQEVR, where the number of transitions varies from 0 to 2 when TRCIDR5.NUMSEQSTATE is 0b100; otherwise, TRCIDR5.NUMSEQSTATE is...

SUSE CVE-2026-90273

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: missing cscfgcsdevdisableactiveconfig in perf enable In the perf enable path, there are missing cases where cscfgcsdevdisableactiveconfig is not called: - Branch broadcast is selected but not supported by the...

SUSE CVE-2026-90274

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: fix underflow for usage of nrseqstate - 1 According to IHI006H Embedded Trace Macrocell Architecture Specification0, TRCSEQEVR is implemented only when TRCIDR5.NUMSEQSTATE is 0b100, in which case n ranges from 0...

Linux Distros Unpatched Vulnerability : CVE-2026-90274

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - coresight: etm4x: fix underflow for usage of nrseqstate - 1 According to IHI006H Embedded Trace Macrocell Architecture Specification0, TRCSEQEVR is implemented...

Linux Distros Unpatched Vulnerability : CVE-2026-90273

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - coresight: etm4x: missing cscfgcsdevdisableactiveconfig in perf enable In the perf enable path, there are missing cases where cscfgcsdevdisableactiveconfig is n...

DEBIAN-CVE-2026-90274

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: fix underflow for usage of nrseqstate - 1 According to IHI006H Embedded Trace Macrocell Architecture Specification0, TRCSEQEVR is implemented only when TRCIDR5.NUMSEQSTATE is 0b100, in which case n ranges from 0...

AZL-102915 CVE-2026-90274 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: fix underflow for usage of nrseqstate - 1 According to IHI006H Embedded Trace Macrocell Architecture Specification0, TRCSEQEVR is implemented only when TRCIDR5.NUMSEQSTATE is 0b100, in which case n ranges from 0...

AZL-102999 CVE-2026-90273 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: missing cscfgcsdevdisableactiveconfig in perf enable In the perf enable path, there are missing cases where cscfgcsdevdisableactiveconfig is not called: - Branch broadcast is selected but not supported by the...

DEBIAN-CVE-2026-90273

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: missing cscfgcsdevdisableactiveconfig in perf enable In the perf enable path, there are missing cases where cscfgcsdevdisableactiveconfig is not called: - Branch broadcast is selected but not supported by the...

CVE-2026-90274

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: fix underflow for usage of nrseqstate - 1 According to IHI006H Embedded Trace Macrocell Architecture Specification0, TRCSEQEVR is implemented only when TRCIDR5.NUMSEQSTATE is 0b100, in which case n ranges from 0...

CVE-2026-90273

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: missing cscfgcsdevdisableactiveconfig in perf enable In the perf enable path, there are missing cases where cscfgcsdevdisableactiveconfig is not called: - Branch broadcast is selected but not supported by the...

CVE-2026-90274 coresight: etm4x: fix underflow for usage of (nrseqstate - 1)

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: fix underflow for usage of nrseqstate - 1 According to IHI006H Embedded Trace Macrocell Architecture Specification0, TRCSEQEVR is implemented only when TRCIDR5.NUMSEQSTATE is 0b100, in which case n ranges from 0...

EUVD-2026-81867

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: fix underflow for usage of nrseqstate - 1 According to IHI006H Embedded Trace Macrocell Architecture Specification0, TRCSEQEVR is implemented only when TRCIDR5.NUMSEQSTATE is 0b100, in which case n ranges from 0...

CVE-2026-90274

CVE-2026-90274 affects the coresight etm4x driver in the Linux kernel . The root cause is an underflow that occurs when the code uses (drvdata->nrseqstate - 1) in a loop to initialize or set TRCSEQEVR registers. Per the IHI006H Embedded Trace Macrocell Architecture Specification, TRCSEQEVR is ...

EUVD-2026-81866

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: missing cscfgcsdevdisableactiveconfig in perf enable In the perf enable path, there are missing cases where cscfgcsdevdisableactiveconfig is not called: - Branch broadcast is selected but not supported by the...

CVE-2026-90273

CVE-2026-90273 affects the Linux kernel in the coresight etm4x driver. In the perf enable path, cscfg_csdev_disable_active_config() is not called in two error cases: when branch broadcast is selected but not supported by hardware, and when etm4_enable_hw() fails. This results in a leak of config_...

CVE-2026-90273 coresight: etm4x: missing cscfg_csdev_disable_active_config() in perf enable

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: missing cscfgcsdevdisableactiveconfig in perf enable In the perf enable path, there are missing cases where cscfgcsdevdisableactiveconfig is not called: - Branch broadcast is selected but not supported by the...

CVE-2026-90273 coresight: etm4x: missing cscfg_csdev_disable_active_config() in perf enable

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: missing cscfgcsdevdisableactiveconfig in perf enable In the perf enable path, there are missing cases where cscfgcsdevdisableactiveconfig is not called: - Branch broadcast is selected but not supported by the...

PT-2026-94621

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the coresight etm4x component during the perf enable path. The system fails to call the cscfg csdev disable active config function in specific error scenarios, such as...