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.
Product status
a51c328df3106663879645680609eb49b3ff6444 (git) before fc98fd8d214693be91253d9a88cdf8e5e143d124
a51c328df3106663879645680609eb49b3ff6444 (git) before 8b1251bbf0f10ac745ed74bad4d3b433caa1eeae
a51c328df3106663879645680609eb49b3ff6444 (git) before dfc314d7c767e350f78a46a8f8b134f80e8ad432
a51c328df3106663879645680609eb49b3ff6444 (git) before 035d0d09d5ab3ed3e93d18cde2b562a6719eea23
a51c328df3106663879645680609eb49b3ff6444 (git) before 04d75529dc0f9be78786162ebab7424af4644df2
a51c328df3106663879645680609eb49b3ff6444 (git) before 58b162e318d0243ad2d7d92456c0873f2494c351
a51c328df3106663879645680609eb49b3ff6444 (git) before 62413a9c3cb183afb9bb6e94dd68caf4e4145f4c
5.8
Any version before 5.8
5.10.253 (semver)
6.1.167 (semver)
6.6.130 (semver)
6.12.78 (semver)
6.18.18 (semver)
6.19.8 (semver)
7.0 (original_commit_for_fix)
References
git.kernel.org/...c/fc98fd8d214693be91253d9a88cdf8e5e143d124
git.kernel.org/...c/8b1251bbf0f10ac745ed74bad4d3b433caa1eeae
git.kernel.org/...c/dfc314d7c767e350f78a46a8f8b134f80e8ad432
git.kernel.org/...c/035d0d09d5ab3ed3e93d18cde2b562a6719eea23
git.kernel.org/...c/04d75529dc0f9be78786162ebab7424af4644df2
git.kernel.org/...c/58b162e318d0243ad2d7d92456c0873f2494c351
git.kernel.org/...c/62413a9c3cb183afb9bb6e94dd68caf4e4145f4c