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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2021-47403

ipack: ipoctal: fix module reference leak

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken on every open but was only released once when the final reference to the tty struct was dropped. Fix this by taking the module reference and initialising the tty driver data when installing the tty.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 82a82340bab6c251e0705339f60763718eaa2a22 to < 31398849b84ebae0d43a1cf379cb9895597f221aaffected
  • 82a82340bab6c251e0705339f60763718eaa2a22 to < c0adb5a947dec6cff7050ec56d78ecd3916f9ce6affected
  • 82a82340bab6c251e0705339f60763718eaa2a22 to < dde4c1429b97383689f755ce92b4ed1e84a9c92baffected
  • 82a82340bab6c251e0705339f60763718eaa2a22 to < 9c5b77a7ffc983b2429ce158b50497c5d3c86a69affected
  • 82a82340bab6c251e0705339f60763718eaa2a22 to < 3253c87e1e5bc0107aab773af2f135ebccf38666affected
  • 82a82340bab6c251e0705339f60763718eaa2a22 to < 7cea848678470daadbfdaa6a112b823c290f900caffected
  • 82a82340bab6c251e0705339f60763718eaa2a22 to < 811178f296b16af30264def74c8d2179a72d5562affected
  • 82a82340bab6c251e0705339f60763718eaa2a22 to < bb8a4fcb2136508224c596a7e665bdba1d7c3c27affected

Linux Linux

Default version status: affected

  • 3.18affected
  • 0 to < 3.18unaffected
  • 4.4.286 to ≤ 4.4.*unaffected
  • 4.9.285 to ≤ 4.9.*unaffected
  • 4.14.249 to ≤ 4.14.*unaffected
  • 4.19.209 to ≤ 4.19.*unaffected
  • 5.4.151 to ≤ 5.4.*unaffected
  • 5.10.71 to ≤ 5.10.*unaffected
  • 5.14.10 to ≤ 5.14.*unaffected
  • 5.15 to ≤ *unaffected

References