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Vulnerability DatabaseCVE-2026-23245
CVE-2026-23245:
CBL Mariner vulnerability analysis and mitigation
In the Linux kernel, the following vulnerability has been resolved:
net/sched: act_gate: snapshot parameters with RCU on replace
The gate action can be replaced while the hrtimer callback or dump path is walking the schedule list.
Convert the parameters to an RCU-protected snapshot and swap updates under tcf_lock, freeing the previous snapshot via call_rcu(). When REPLACE omits the entry list, preserve the existing schedule so the effective state is unchanged.
Source: NVD
Related CBL Mariner vulnerabilities:
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