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CVE-2024-42135

Disclosure Date: July 30, 2024
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Description

In the Linux kernel, the following vulnerability has been resolved:

vhost_task: Handle SIGKILL by flushing work and exiting

Instead of lingering until the device is closed, this has us handle
SIGKILL by:

  1. marking the worker as killed so we no longer try to use it with
    new virtqueues and new flush operations.
  2. setting the virtqueue to worker mapping so no new works are queued.
  3. running all the exiting works.

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CVSS V3 Severity and Metrics
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Impact Score:
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User Interaction (UI):
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Confidentiality (C):
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Integrity (I):
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Availability (A):
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General Information

Vendors

  • Linux

Products

  • Linux

Additional Info

Technical Analysis