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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2022-50156

HID: cp2112: prevent a buffer overflow in cp2112_xfer()

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: HID: cp2112: prevent a buffer overflow in cp2112_xfer() Smatch warnings: drivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'data->block[1]' too small (33 vs 255) drivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'buf' too small (64 vs 255) The 'read_length' variable is provided by 'data->block[0]' which comes from user and it(read_length) can take a value between 0-255. Add an upper bound to 'read_length' variable to prevent a buffer overflow in memcpy().

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

  • 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 to < 3af7d60e9a6c17d6d41c4341f8020511887d372daffected
  • 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 to < 519ff31a6ddd87aa4905bd9bf3b92e8b88801614affected
  • 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 to < ebda3d6b004bb6127a66a616524a2de152302ca7affected
  • 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 to < 8489a20ac481b08c0391608d81ed3796d373cfdfaffected
  • 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 to < e7028944e61014ae915e7fb74963d3835f2f761aaffected
  • 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 to < 26e427ac85c2b8d0d108cc80b6de34d33e2780c4affected
  • 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 to < 381583845d19cb4bd21c8193449385f3fefa9cafaffected

Linux Linux

Default version status: affected

  • 4.15affected
  • 0 to < 4.15unaffected
  • 4.19.256 to ≤ 4.19.*unaffected
  • 5.4.211 to ≤ 5.4.*unaffected
  • 5.10.137 to ≤ 5.10.*unaffected
  • 5.15.61 to ≤ 5.15.*unaffected
  • 5.18.18 to ≤ 5.18.*unaffected
  • 5.19.2 to ≤ 5.19.*unaffected
  • 6.0 to ≤ *unaffected

References