CVE-2026-23245 - net/sched: act_gate: snapshot parameters with RCU on replace

CVE-2026-23245 - net/sched: act_gate: snapshot parameters with RCU on replace

https://cvefeed.io/rssfeed/latest.atom / Wed, 03/18/2026 - 14:07
CVE ID :CVE-2026-23245
Published : March 18, 2026, 11:16 a.m. | 1 hour, 44 minutes ago
Description :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.
Severity: 0.0 | NA
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