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CVE-2026-97499

coresight: perf: Retrieve path and source from event data

In the Linux kernel, the following vulnerability has been resolved:

coresight: perf: Retrieve path and source from event data

ETM perf callbacks currently use the per-CPU csdev_src pointer, which
can race with updates during device registration and unregistration.

The AUX setup already builds and stores the path in the event data.
Use this path to retrieve the source instead of csdev_src to avoid
the race.

Export coresight_get_source() and add etm_event_get_ctxt_path() to
retrieve the context's path and its source with READ_ONCE() /
WRITE_ONCE() accessors. Give the comments to explain why this
approach is safe when pause or resume callbacks preempt the disable
callback (e.g. via NMI).
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 0bcbf2e30ff2271b54f54c8697a185f7d86ec6e4
Version < 0f4cb08f30011b7625a4fba668fa5c36da5e6637
Status affected
Version 0bcbf2e30ff2271b54f54c8697a185f7d86ec6e4
Version < f37bc31447c0ddafedb25e3c4a4f4e2284034247
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 4.6
Status affected
Version 0
Version < 4.6
Status unaffected
Version <= 6.18.*
Version 6.18.53
Status unaffected
Version <= *
Version 7.2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.16% 0.04
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/0f4cb08f30011b7625a4fba668fa5c36da5e6637
https://git.kernel.org/stable/c/f37bc31447c0ddafedb25e3c4a4f4e2284034247