linux: In the Linux kernel, the following vulnerability has been resolved: cgroup: Add missing cpus_read_lock() to cgroup_a...
CVE-2022-48671 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48671, released May 3, 2024. It is not reported as exploited. Patch Radar priority: Routine.
In the Linux kernel, the following vulnerability has been resolved: cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all() syzbot is hitting percpu_rwsem_assert_held(&cpu_hotplug_lock) warning at cpuset_attach() [1], for commit 4f7e7236435ca0ab ("cgroup: Fix threadgroup_rwsem <-> cpus_read_lock() deadlock") missed that cpuset_attach() is also called from cgroup_attach_task_all(). Add cpus_read_lock() like what cgroup_procs_write_start() does.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.19.11-1 | DEBIAN-CVE-2022-48671 | May 3, 2024 |
| linux · Debian 13.5 (trixie) | 5.19.11-1 | DEBIAN-CVE-2022-48671 | May 3, 2024 |
| linux · Debian 14 | 5.19.11-1 | DEBIAN-CVE-2022-48671 | May 3, 2024 |
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