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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-48630

crypto: qcom-rng - fix infinite loop on requests not multiple of WORD_SZ

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - fix infinite loop on requests not multiple of WORD_SZ The commit referenced in the Fixes tag removed the 'break' from the else branch in qcom_rng_read(), causing an infinite loop whenever 'max' is not a multiple of WORD_SZ. This can be reproduced e.g. by running: kcapi-rng -b 67 >/dev/null There are many ways to fix this without adding back the 'break', but they all seem more awkward than simply adding it back, so do just that. Tested on a machine with Qualcomm Amberwing processor.

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

  • a8e32bbb96c25b7ab29b1894dcd45e0b3b08fd9d to < 71a89789552b7faf3ef27969b9bc783fa0df3550affected
  • 184f7bd08ce56f003530fc19f160d54e75bf5c9d to < 8be06f62b426801dba43ddf8893952a0e62ab6aeaffected
  • 0f9b7b8df17525e464294c916acc8194ce38446b to < 233a3cc60e7a8fe0be8cf9934ae7b67ba25a866caffected
  • ab9337c7cb6f875b6286440b1adfbeeef2b2b2bd to < 8a06f25f5941c145773204f2f7abef95b4ffb8ceaffected
  • a680b1832ced3b5fa7c93484248fd221ea0d614b to < 05d4d17475d8d094c519bb51658bc47899c175e3affected
  • a680b1832ced3b5fa7c93484248fd221ea0d614b to < 16287397ec5c08aa58db6acf7dbc55470d78087daffected
  • 485995cbc98a4f77cfd4f8ed4dd7ff8ab262964daffected
  • 4.19.236 to < 4.19.245affected
  • 5.4.187 to < 5.4.196affected
  • 5.10.108 to < 5.10.118affected
  • 5.15.31 to < 5.15.42affected
  • 5.16.17 to < 5.17affected

Linux Linux

Default version status: affected

  • 5.17affected
  • 0 to < 5.17unaffected
  • 4.19.245 to ≤ 4.19.*unaffected
  • 5.4.196 to ≤ 5.4.*unaffected
  • 5.10.118 to ≤ 5.10.*unaffected
  • 5.15.42 to ≤ 5.15.*unaffected
  • 5.17.10 to ≤ 5.17.*unaffected
  • 5.18 to ≤ *unaffected

References