CVE-2022-48671 (GCVE-0-2022-48671)
Vulnerability from cvelistv5
Published
2024-05-03 14:50
Modified
2025-05-04 08:20
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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.
References
Impacted products
Vendor Product Version
Linux Linux Version: e446300968c6bd25d9cd6c33b9600780a39b3975
Version: 59c6902a96b4439e07c25ef86a4593bea5481c3b
Version: dee1e2b18cf5426eed985512ccc6636ec69dbdd6
Version: 3bf4bf54069f9b62a54988e5d085023c17a66c90
Version: c0deb027c99c099aa6b831e326bfba802b25e774
Version: 4f7e7236435ca0abe005c674ebd6892c6e83aeb3
 Create a notification for this product.
   Linux Linux Version: 5.4.213   ≤
Version: 5.10.143   ≤
Version: 5.15.68   ≤
Version: 5.19.9   ≤
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\"programFiles\": [\"kernel/cgroup/cgroup-v1.c\"], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/321488cfac7d0eb6d97de467015ff754f85813ff\"}, {\"url\": \"https://git.kernel.org/stable/c/07191f984842d50020789ff14c75da436a7f46a9\"}, {\"url\": \"https://git.kernel.org/stable/c/9f267393b036f1470fb12fb892d59e7ff8aeb58d\"}, {\"url\": \"https://git.kernel.org/stable/c/5db17805b6ba4c34dab303f49aea3562fc25af75\"}, {\"url\": \"https://git.kernel.org/stable/c/99bc25748e394d17f9e8b10cc7f273b8e64c1c7e\"}, {\"url\": \"https://git.kernel.org/stable/c/43626dade36fa74d3329046f4ae2d7fdefe401c6\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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(\u0026cpu_hotplug_lock) warning at\\ncpuset_attach() [1], for commit 4f7e7236435ca0ab (\\\"cgroup: Fix\\nthreadgroup_rwsem \u003c-\u003e 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.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.215\", \"versionStartIncluding\": \"5.4.213\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.145\", \"versionStartIncluding\": \"5.10.143\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.70\", \"versionStartIncluding\": \"5.15.68\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19.11\", \"versionStartIncluding\": \"5.19.9\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:20:58.178Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-48671\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T08:20:58.178Z\", \"dateReserved\": \"2024-02-25T13:44:28.321Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-03T14:50:23.558Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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