CVE-2022-49931 (GCVE-0-2022-49931)
Vulnerability from cvelistv5
Published
2025-05-01 14:11
Modified
2025-10-01 14:55
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: IB/hfi1: Correctly move list in sc_disable() Commit 13bac861952a ("IB/hfi1: Fix abba locking issue with sc_disable()") incorrectly tries to move a list from one list head to another. The result is a kernel crash. The crash is triggered when a link goes down and there are waiters for a send to complete. The following signature is seen: BUG: kernel NULL pointer dereference, address: 0000000000000030 [...] Call Trace: sc_disable+0x1ba/0x240 [hfi1] pio_freeze+0x3d/0x60 [hfi1] handle_freeze+0x27/0x1b0 [hfi1] process_one_work+0x1b0/0x380 ? process_one_work+0x380/0x380 worker_thread+0x30/0x360 ? process_one_work+0x380/0x380 kthread+0xd7/0x100 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1f/0x30 The fix is to use the correct call to move the list.
References
Impacted products
Vendor Product Version
Linux Linux Version: d997d4e4365f7e59cf6b59c70f966c56d704b64f
Version: d98883f6c33e0d960afedcecaa92fc2b61fec383
Version: 13bac861952a78664907a0f927d3e874e9a59034
Version: 13bac861952a78664907a0f927d3e874e9a59034
Version: 13bac861952a78664907a0f927d3e874e9a59034
Version: 5d33bd6b4d4d035e42733592899918a18f2540da
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The\\nresult is a kernel crash.\\n\\nThe crash is triggered when a link goes down and there are waiters for a\\nsend to complete.  The following signature is seen:\\n\\n  BUG: kernel NULL pointer dereference, address: 0000000000000030\\n  [...]\\n  Call Trace:\\n   sc_disable+0x1ba/0x240 [hfi1]\\n   pio_freeze+0x3d/0x60 [hfi1]\\n   handle_freeze+0x27/0x1b0 [hfi1]\\n   process_one_work+0x1b0/0x380\\n   ? process_one_work+0x380/0x380\\n   worker_thread+0x30/0x360\\n   ? process_one_work+0x380/0x380\\n   kthread+0xd7/0x100\\n   ? kthread_complete_and_exit+0x20/0x20\\n   ret_from_fork+0x1f/0x30\\n\\nThe fix is to use the correct call to move the list.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.224\", \"versionStartIncluding\": \"5.4.157\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.154\", \"versionStartIncluding\": \"5.10.77\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.78\", \"versionStartIncluding\": \"5.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.0.8\", \"versionStartIncluding\": \"5.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1\", \"versionStartIncluding\": \"5.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"5.14.16\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T12:45:29.516Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49931\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-01T14:55:40.268Z\", \"dateReserved\": \"2025-05-01T14:05:17.254Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-05-01T14:11:08.135Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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