2024-05-12 02:03:21 +00:00

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{
"id": "CVE-2022-48671",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-03T15:15:07.433",
"lastModified": "2024-05-03T15:32:19.637",
"vulnStatus": "Undergoing Analysis",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncgroup: Add missing cpus_read_lock() to cgroup_attach_task_all()\n\nsyzbot is hitting percpu_rwsem_assert_held(&cpu_hotplug_lock) warning at\ncpuset_attach() [1], for commit 4f7e7236435ca0ab (\"cgroup: Fix\nthreadgroup_rwsem <-> cpus_read_lock() deadlock\") missed that\ncpuset_attach() is also called from cgroup_attach_task_all().\nAdd cpus_read_lock() like what cgroup_procs_write_start() does."
},
{
"lang": "es",
"value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: cgroup: agregue cpus_read_lock() faltante a cgroup_attach_task_all() syzbot est\u00e1 presionando la advertencia percpu_rwsem_assert_held(&amp;cpu_hotplug_lock) en cpuset_attach() [1], para el commit 4f7e7236435ca0ab (\"cgroup: Fix threadgroup_rwsem &lt;- &gt; cpus_read_lock() deadlock\") se perdi\u00f3 que cpuset_attach() tambi\u00e9n se llama desde cgroup_attach_task_all(). Agregue cpus_read_lock() como lo hace cgroup_procs_write_start()."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/07191f984842d50020789ff14c75da436a7f46a9",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/321488cfac7d0eb6d97de467015ff754f85813ff",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/43626dade36fa74d3329046f4ae2d7fdefe401c6",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/5db17805b6ba4c34dab303f49aea3562fc25af75",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/99bc25748e394d17f9e8b10cc7f273b8e64c1c7e",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/9f267393b036f1470fb12fb892d59e7ff8aeb58d",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}