CVE-2026-23245High· 7.8▾ TwilightIn 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. Con…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
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.
Linux >= a51c328df3106663879645680609eb49b3ff6444 < fc98fd8d214693be91253d9a88cdf8e5e143d124Linux >= a51c328df3106663879645680609eb49b3ff6444 < 8b1251bbf0f10ac745ed74bad4d3b433caa1eeaeLinux >= a51c328df3106663879645680609eb49b3ff6444 < dfc314d7c767e350f78a46a8f8b134f80e8ad432Linux >= a51c328df3106663879645680609eb49b3ff6444 < 035d0d09d5ab3ed3e93d18cde2b562a6719eea23Linux >= a51c328df3106663879645680609eb49b3ff6444 < 04d75529dc0f9be78786162ebab7424af4644df2Linux >= a51c328df3106663879645680609eb49b3ff6444 < 58b162e318d0243ad2d7d92456c0873f2494c351Linux >= a51c328df3106663879645680609eb49b3ff6444 < 62413a9c3cb183afb9bb6e94dd68caf4e4145f4cLinux 5.8Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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