Linux
CVE-2026-99247: In the Linux kernel, the following vulnerability has been resolved: tracing: Do not initialize tracefs work if tracing is disabled If trace buffer allocation
CVE-2026-99247 Nov 3, 2026 Source: Vendor
In the Linux kernel, the following vulnerability has been resolved:
tracing: Do not initialize tracefs work if tracing is disabled
If trace buffer allocation fails during early boot (e.g. in
early_trace_init() -> allocate_trace_buffers()), tracing_disabled is
left set to 1 and the global trace array events list remains
uninitialized.
Later during boot, tracer_init_tracefs() (invoked via fs_initcall)
queues tracerfs_init_work asynchronously without checking if tracing was
disabled. When trac
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-99247
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